B General Contractor – Practice Exam 2

Welcome to your B General Contractor - Practice Exam 2

What is the purpose of a 'bid bond' submitted with a construction bid?

What is the purpose of a 'bid bond' submitted with a construction bid?Deselect Answer

To pay subcontractors upfront

To guarantee the bidder will enter into the contract at the bid price if awarded

To cover material costs during bidding

To replace the performance bond

None

What is the formula to calculate the area of a triangle?

What is the formula to calculate the area of a triangle?Deselect Answer

Length × Width

Base × Height

½ × Base × Height

π × r²

None

What is the purpose of 'ice and water shield' membrane in roofing?

What is the purpose of 'ice and water shield' membrane in roofing?Deselect Answer

To add thermal insulation to the roof deck

A self-adhering waterproof membrane installed at eaves and valleys to protect against ice dams and wind-driven rain

To reflect solar heat

To bond the shingles to the deck

None

What is the maximum load per square foot for a typical construction scaffold platform?

What is the maximum load per square foot for a typical construction scaffold platform?Deselect Answer

25 psf

50 psf

75 psf

Depends on the scaffold rating (light, medium, or heavy duty)

None

What is the purpose of an 'expansion gap' around the perimeter of a hardwood or laminate floor?

What is the purpose of an 'expansion gap' around the perimeter of a hardwood or laminate floor?Deselect Answer

For decorative purposes

To allow the floor to expand and contract seasonally without buckling

To provide drainage

To allow electrical wiring access

None

Where is a 'vapor retarder' required on the warm side of insulation in California?

Where is a 'vapor retarder' required on the warm side of insulation in California?Deselect Answer

Always on the exterior face of insulation

On the interior (warm in winter) side of insulation in cold Climate Zones where moisture can condense inside the wall assembly

Only in bathrooms and kitchens

Vapor retarders are not required in California

None

What is the purpose of a 'retaining wall'?

What is the purpose of a 'retaining wall'?Deselect Answer

To retain water in a swimming pool

To hold back soil and prevent it from sliding or eroding, maintaining a grade change

To provide a decorative garden border only

To support a building foundation from below

None

In construction estimating, what does 'quantity takeoff' mean?

In construction estimating, what does 'quantity takeoff' mean?Deselect Answer

Removing surplus materials from a site

Measuring and listing all materials and labor quantities required for a project

Calculating the contractor's profit margin

Counting the number of workers on a job

None

What is the minimum post size required to support a beam in a typical residential deck?

What is the minimum post size required to support a beam in a typical residential deck?Deselect Answer

2×4

4×4

4×6

6×6

None

10.

In seismic design, what does a 'continuous load path' mean?

In seismic design, what does a 'continuous load path' mean?Deselect Answer

A path for emergency vehicles around the building

An uninterrupted structural connection from the roof down through the walls to the foundation that transfers seismic forces to the ground

A continuous concrete footing around the perimeter

An electrical circuit with no breaks

None

11.

What type of roofing underlayment is required for roofs with a slope of less than 4:12 under asphalt shingles?

What type of roofing underlayment is required for roofs with a slope of less than 4:12 under asphalt shingles?Deselect Answer

Single layer of #15 felt

Double layer of #30 felt or equivalent

No underlayment is required below 4:12

Synthetic single-layer only

None

12.

What must be done before workers enter a trench deeper than 4 feet?

What must be done before workers enter a trench deeper than 4 feet?Deselect Answer

Obtain a permit from Cal/OSHA

A competent person must inspect the trench for cave-in hazards and ensure protective systems are in place

All work in trenches over 4 feet is prohibited

Only trenches over 10 feet require inspection

None

13.

What is 'toe-nailing'?

What is 'toe-nailing'?Deselect Answer

Nailing a board flat along its face

Driving nails at an angle through the side of one member into another, used to connect a stud to a plate

Using a nail gun from the top

Fastening with ring-shank nails only

None

14.

What is the purpose of a 'Request for Information' (RFI) on a construction project?

What is the purpose of a 'Request for Information' (RFI) on a construction project?Deselect Answer

To request additional funding

To formally ask the architect or engineer to clarify ambiguous or incomplete information in the construction documents

To request a change in project scope

To submit a payment application

None

15.

What is 'finish grade' on a construction site?

What is 'finish grade' on a construction site?Deselect Answer

The quality rating of the topsoil

The final elevation of the ground surface after all grading and landscaping work is complete

The slope of a drainage pipe

The elevation of the top of the foundation wall

None

16.

What is the purpose of a 'French drain' in landscaping?

What is the purpose of a 'French drain' in landscaping?Deselect Answer

A decorative water feature

A trench filled with gravel and a perforated pipe that collects and redirects subsurface water away from a structure

A drainage system for a French-style garden

A surface channel for water runoff only

None

17.

What is the purpose of a 'rim joist' (band joist) in floor framing?

What is the purpose of a 'rim joist' (band joist) in floor framing?Deselect Answer

To carry the main beam load

To close off the ends of floor joists and provide lateral support, nailing surface for siding, and a bearing surface

To support the stairway opening

To provide blocking between joists at mid-span

None

18.

When disposing of construction debris in California, which material requires special handling as a hazardous waste?

When disposing of construction debris in California, which material requires special handling as a hazardous waste?Deselect Answer

Clean wood scraps

Concrete rubble

Asbestos-containing materials (ACM)

Cardboard packaging

None

19.

What is the purpose of a 'door sweep' at the base of an exterior door?

What is the purpose of a 'door sweep' at the base of an exterior door?Deselect Answer

To prevent the door from swinging open too far

To seal the gap between the door bottom and the threshold, blocking drafts, insects, and moisture

To add decorative trim

To keep carpet from sliding under the door

None

20.

What is the standard depth of a base kitchen cabinet?

What is the standard depth of a base kitchen cabinet?Deselect Answer

18 inches

21 inches

24 inches

30 inches

None

21.

What is the purpose of a 'lockout/tagout' (LOTO) procedure?

What is the purpose of a 'lockout/tagout' (LOTO) procedure?Deselect Answer

To lock tools in a storage box

To prevent accidental energization of equipment during maintenance by de-energizing and locking out energy sources

To tag workers who enter hazardous areas

To secure scaffolding at night

None

22.

What is the minimum concrete cover required over reinforcing steel in a foundation wall exposed to soil?

What is the minimum concrete cover required over reinforcing steel in a foundation wall exposed to soil?Deselect Answer

1 inch

1.5 inches

2 inches

3 inches

None

23.

What is 'thermal bridging' in building construction?

What is 'thermal bridging' in building construction?Deselect Answer

A bridge built over a thermal plume

A heat flow path through a material with high thermal conductivity (such as a metal stud) that bypasses the insulation layer

A connection between two heating zones

Radiant heat transfer across an air gap

None

24.

What is 'mulching' in landscaping used for?

What is 'mulching' in landscaping used for?Deselect Answer

Fertilizing plants with chemical compounds

Applying a layer of organic or inorganic material over the soil surface to retain moisture, moderate temperature, and suppress weeds

Aerating the lawn

Edging planting beds

None

25.

What is the purpose of a 'spill kit' on a construction site?

What is the purpose of a 'spill kit' on a construction site?Deselect Answer

To clean up spilled concrete

To contain and clean up hazardous liquid spills (fuel, oil, chemicals) to prevent environmental contamination and worker exposure

A first aid kit for cuts

A set of tools for emergency repair

None

26.

What is the correct sequence for applying paint to a previously unpainted wood surface?

What is the correct sequence for applying paint to a previously unpainted wood surface?Deselect Answer

Finish coat, primer, top coat

Sand, prime, apply finish coats

Apply finish coat directly without primer

Wet wood then apply paint

None

27.

What additive is used in concrete to slow down the setting time in hot weather?

What additive is used in concrete to slow down the setting time in hot weather?Deselect Answer

Accelerator (calcium chloride)

Retarder

Air-entraining agent

Fly ash

None

28.

Under Cal/OSHA, what is required when cement mixer or concrete pump equipment creates excessive dust?

Under Cal/OSHA, what is required when cement mixer or concrete pump equipment creates excessive dust?Deselect Answer

Work must stop immediately

Dust control measures such as water suppression, enclosures, or respiratory protection must be used to keep silica dust exposure below the permissible exposure limit

Workers must be relocated 100 feet away

No specific requirement exists

None

29.

What is the maximum allowable span for a 2×6 floor joist (No. 2 Douglas Fir-Larch, 16-inch o.c., 40 psf live load)?

What is the maximum allowable span for a 2×6 floor joist (No. 2 Douglas Fir-Larch, 16-inch o.c., 40 psf live load)?Deselect Answer

8'-0"

9'-6"

10'-9"

12'-0"

None

30.

Under Cal/OSHA regulations, what is required when using a portable ladder to access a roof or elevated work area?

Under Cal/OSHA regulations, what is required when using a portable ladder to access a roof or elevated work area?Deselect Answer

The ladder may end at the roof edge

The ladder must extend at least 3 feet above the roof edge or landing surface

The ladder must be tied at the bottom only

Ladders are not permitted; scaffolding must be used

None

31.

When coordinating a multi-trade project, which scheduling tool shows tasks, durations, and dependencies in a bar chart format?

When coordinating a multi-trade project, which scheduling tool shows tasks, durations, and dependencies in a bar chart format?Deselect Answer

PERT chart

Gantt chart

Critical path diagram

Flow chart

None

32.

In stucco work, what is the purpose of the 'brown coat'?

In stucco work, what is the purpose of the 'brown coat'?Deselect Answer

To add color to the stucco

To provide the leveling coat over the scratch coat, building out the wall to a flat, true surface before the finish coat

To act as the waterproof barrier

To bond the finish coat to the metal lath

None

33.

What type of filter offers the highest filtration efficiency for residential HVAC systems?

What type of filter offers the highest filtration efficiency for residential HVAC systems?Deselect Answer

Fiberglass flat filter

Pleated 1-inch filter

HEPA filter or high-MERV pleated filter

Electrostatic filter

None

34.

What is the minimum ceiling height required in a bathroom per CRC?

What is the minimum ceiling height required in a bathroom per CRC?Deselect Answer

7 feet over the entire floor

6 feet 8 inches at the shower or tub area

7 feet 6 inches everywhere

6 feet minimum

None

35.

What is 'slump' in reference to fresh concrete?

What is 'slump' in reference to fresh concrete?Deselect Answer

The amount of concrete that falls off the truck

A measure of the workability or consistency of fresh concrete, measured by the drop in height of a standard cone

The rate at which concrete gains strength

The settling of a concrete slab after placement

None

36.

What is 'flashing' in the context of painting drywall?

What is 'flashing' in the context of painting drywall?Deselect Answer

Reflective sheen caused by improper priming, creating dull and shiny patches on the finished surface

Metal flashing installed at drywall corners

A painting technique using metallic paint

Water stains showing through paint

None

37.

What is a 'gate valve' used for in a plumbing system?

What is a 'gate valve' used for in a plumbing system?Deselect Answer

To regulate flow precisely

As a full-flow shut-off valve that is either fully open or fully closed

To reduce water pressure

To prevent backflow

None

38.

When working with Portland cement or concrete, what health hazard must workers protect against?

When working with Portland cement or concrete, what health hazard must workers protect against?Deselect Answer

Noise exposure only

Caustic burns from wet cement and silica dust inhalation from dry cement products

Carbon monoxide exposure

Lead paint exposure

None

39.

What is 'drip irrigation' used for in landscaping?

What is 'drip irrigation' used for in landscaping?Deselect Answer

Flooding a lawn area quickly

Delivering water slowly and directly to the root zone of individual plants through emitters, minimizing evaporation and water waste

Irrigating large turf areas with sprinklers

Providing drainage for planted areas

None

40.

What is the minimum required number of exits for a single-family residence per CRC?

What is the minimum required number of exits for a single-family residence per CRC?Deselect Answer

One exit

Two exits

Three exits

One exit plus one emergency egress window

None

41.

What is the maximum distance a trap can be located from a fixture drain in a residential plumbing system?

What is the maximum distance a trap can be located from a fixture drain in a residential plumbing system?Deselect Answer

12 inches

18 inches

24 inches

36 inches

None

42.

What is the purpose of a 'cleanout' in a drainage system?

What is the purpose of a 'cleanout' in a drainage system?Deselect Answer

To allow hot water recirculation

An accessible opening in the drain piping that allows a drain snake or inspection camera to be inserted to clear blockages

A valve to shut off water supply

A screen to filter debris

None

43.

What does 'Level 5 drywall finish' mean?

What does 'Level 5 drywall finish' mean?Deselect Answer

Five coats of joint compound

The highest standard of drywall finishing, involving a skim coat over the entire surface for the smoothest possible finish under critical lighting

A five-star quality rating

Five layers of drywall for fire rating

None

44.

What is the purpose of a 'ground fault' in electrical work, and why is it dangerous?

What is the purpose of a 'ground fault' in electrical work, and why is it dangerous?Deselect Answer

A planned circuit interruption for maintenance

An unintended electrical path between a power source and a grounded surface that can cause electrocution if current passes through a person

An overloaded circuit

A short between hot and neutral

None

45.

What is a 'floating floor' installation method?

What is a 'floating floor' installation method?Deselect Answer

A floor installed on a boat or elevated deck

A floor where planks are clicked or glued together edge-to-edge but not fastened to the subfloor, allowing the floor to expand and contract freely

A floor suspended from the ceiling structure

A floor installed with no adhesive anywhere

None

46.

What is 'back-buttering' in tile installation?

What is 'back-buttering' in tile installation?Deselect Answer

Applying adhesive to the back of the tile in addition to the substrate to ensure full mortar coverage

Spreading mortar on only the back of the tile

Applying waterproofing to the tile back

Grouting from the back of a tile wall

None

47.

What type of respirator is required when spraying paint or coatings in an enclosed space?

What type of respirator is required when spraying paint or coatings in an enclosed space?Deselect Answer

A dust mask (N95)

A supplied-air respirator or a half-face respirator with organic vapor cartridges

No respirator is needed with proper ventilation

A surgical mask

None

48.

What does 'As-Built' drawings mean?

What does 'As-Built' drawings mean?Deselect Answer

Drawings used during the bidding phase

Drawings revised after construction to show actual field conditions and any deviations from the original design

Drawings produced by the original architect

The original construction documents before any changes

None

49.

What does a 'confined space' designation mean on a construction site?

What does a 'confined space' designation mean on a construction site?Deselect Answer

Any space smaller than 10 feet × 10 feet

A space large enough to enter and work in, with limited entry/exit, not designed for continuous occupancy, and may have hazardous atmosphere risks

A locked storage room

Any basement or crawl space

None

50.

What is 'balloon framing'?

What is 'balloon framing'?Deselect Answer

A modern framing method using engineered lumber

An older framing method where studs run continuously from foundation to roof without a platform at each floor

A method of framing using balloon-style trusses

Framing over an open basement

None

51.

Which of the following is an example of a 'direct cost' in construction estimating?

Which of the following is an example of a 'direct cost' in construction estimating?Deselect Answer

Office rent

Project manager's salary allocated to overhead

Concrete material for the foundation slab

Company vehicle insurance

None

52.

What is the minimum number of nails required per standard asphalt shingle in most California applications?

What is the minimum number of nails required per standard asphalt shingle in most California applications?Deselect Answer

2 nails

3 nails

4 nails

6 nails

None

53.

What is the minimum tread depth (nosing to nosing) for residential stairs per CRC?

What is the minimum tread depth (nosing to nosing) for residential stairs per CRC?Deselect Answer

8 inches

9 inches

10 inches

11 inches

None

54.

What type of joint is used to connect ABS or PVC plastic drain pipe?

What type of joint is used to connect ABS or PVC plastic drain pipe?Deselect Answer

Threaded joint

Compression fitting

Solvent-cement (glued) joint

Mechanical coupling only

None

55.

What is the standard circuit breaker size for a kitchen small appliance circuit?

What is the standard circuit breaker size for a kitchen small appliance circuit?Deselect Answer

15 amps

20 amps

30 amps

40 amps

None

56.

What is a 'Notice to Proceed' (NTP)?

What is a 'Notice to Proceed' (NTP)?Deselect Answer

A building department approval

A written authorization from the owner or their representative directing the contractor to begin work on a specified date

A subcontractor's invoice

A permit approval from the city

None

57.

What is the purpose of adding rebar (reinforcing steel) to concrete?

What is the purpose of adding rebar (reinforcing steel) to concrete?Deselect Answer

To reduce the amount of cement needed

To add tensile strength since concrete is strong in compression but weak in tension

To accelerate curing

To reduce cracking from temperature changes only

None

58.

What is a 'three-way switch' used for?

What is a 'three-way switch' used for?Deselect Answer

To control three separate lights

To control one light from two different locations

To switch between three circuits

To provide three-phase power control

None

59.

What is 'Low-E' glass used in windows?

What is 'Low-E' glass used in windows?Deselect Answer

Low-emission glass that blocks all light

Glass coated with a microscopic metallic layer that reflects radiant heat while allowing visible light to pass through, improving energy efficiency

Extra-thick safety glass

Tinted glass for privacy

None

60.

On a set of construction drawings, what does a dashed (hidden) line typically represent?

On a set of construction drawings, what does a dashed (hidden) line typically represent?Deselect Answer

A centerline

A feature that exists but is not visible in the current view, such as a footing below grade

A dimension line

A property boundary

None

61.

What does SEER stand for in reference to air conditioning equipment?

What does SEER stand for in reference to air conditioning equipment?Deselect Answer

Standard Energy Efficiency Rating

Seasonal Energy Efficiency Ratio

Standard Equipment Efficiency Requirement

Seasonal Equipment Energy Rating

None

62.

What is the R-value per inch of standard fiberglass batt insulation?

What is the R-value per inch of standard fiberglass batt insulation?Deselect Answer

R-1.5 per inch

R-3.1 per inch

R-4.5 per inch

R-6.0 per inch

None

63.

What is the minimum mortar coverage required under floor tiles in residential wet areas?

What is the minimum mortar coverage required under floor tiles in residential wet areas?Deselect Answer

50%

75%

85%

95%

None

64.

What is the maximum overhang (cantilever) allowed for a residential rafter beyond the bearing wall without an engineer?

What is the maximum overhang (cantilever) allowed for a residential rafter beyond the bearing wall without an engineer?Deselect Answer

12 inches

18 inches

24 inches

36 inches

None

65.

A concrete slab is 50 feet × 60 feet × 5 inches thick. How many cubic yards of concrete are required (round to nearest whole yard)?

A concrete slab is 50 feet × 60 feet × 5 inches thick. How many cubic yards of concrete are required (round to nearest whole yard)?Deselect Answer

46 cy

52 cy

46.3 cy

55 cy

None

66.

What is the maximum height of a wood-framed cripple wall before additional bracing is required per CRC?

What is the maximum height of a wood-framed cripple wall before additional bracing is required per CRC?Deselect Answer

2 feet

3 feet

4 feet

6 feet

None

67.

What is a 'hip rafter' in roof framing?

What is a 'hip rafter' in roof framing?Deselect Answer

A rafter at the valley of two intersecting roofs

A rafter that runs diagonally from the ridge to the outside corner of a hip roof

The shortest rafter in a gable roof

A horizontal brace between common rafters

None

68.

Which hardware is used to connect a wood beam to a wood post from the side, preventing the beam from rolling off the post?

Which hardware is used to connect a wood beam to a wood post from the side, preventing the beam from rolling off the post?Deselect Answer

Hurricane tie

Post cap (post-beam connector)

Joist hanger

Anchor bolt

None

69.

In cabinetry installation, what is 'scribing'?

In cabinetry installation, what is 'scribing'?Deselect Answer

Marking lumber for cutting

The process of fitting a cabinet or trim piece to an irregular wall surface by transferring the wall's irregularities onto the cabinet and trimming to fit

Writing dimensions on cabinets

Installing cabinet hardware

None

70.

What does 'NM-B' cable (Romex) stand for, and where is its use permitted?

What does 'NM-B' cable (Romex) stand for, and where is its use permitted?Deselect Answer

Non-Metallic sheathed cable, permitted in all locations

Non-Metallic sheathed cable, permitted in dry interior locations of residential buildings

Non-Magnetic cable, permitted outdoors

Neutral-Metallic cable, permitted in wet locations

None

71.

What is the purpose of 'taping and finishing' (mudding) in drywall installation?

What is the purpose of 'taping and finishing' (mudding) in drywall installation?Deselect Answer

To waterproof the drywall

To embed joint tape over seams and screw dimples and apply compound in multiple coats to create a smooth, seamless surface ready for painting

To add a fire-resistant coating

To bond drywall panels together structurally

None

72.

What is the function of a 'strongback' in floor joist framing?

What is the function of a 'strongback' in floor joist framing?Deselect Answer

A large ridge beam

A horizontal member attached perpendicular to and across the top of a row of floor joists to distribute loads and reduce vibration

A diagonal brace in a wall

A reinforced beam in a long-span roof

None

73.

What does 'float' (or slack) mean in a project schedule?

What does 'float' (or slack) mean in a project schedule?Deselect Answer

The amount of water retained in concrete

The amount of time an activity can be delayed without delaying the project completion date

The difference between bid price and actual cost

The buffer added to material quantities for waste

None

74.

What is a 'cold joint' in concrete construction?

What is a 'cold joint' in concrete construction?Deselect Answer

A joint installed in cold weather

A joint between two pours where the first pour has already set before the second is placed, creating a plane of weakness

A pre-formed expansion joint

A joint at a freezing-water interface

None

75.

What is the required distance between a power line and a crane boom, based on typical Cal/OSHA requirements for lines up to 50kV?

What is the required distance between a power line and a crane boom, based on typical Cal/OSHA requirements for lines up to 50kV?Deselect Answer

3 feet

6 feet

10 feet

20 feet

None

76.

What is the purpose of a 'junction box' in an electrical system?

What is the purpose of a 'junction box' in an electrical system?Deselect Answer

To house the main circuit breaker panel

To provide a protected enclosure for wire splices and connections, required by code for all wiring connections

To mount electrical outlets

To contain the meter

None

77.

What is 'roof dead load'?

What is 'roof dead load'?Deselect Answer

The weight of snow accumulation on the roof

The weight of permanent components of the roof structure itself, such as framing, sheathing, and roofing materials

The wind load on the roof

Live loads from maintenance workers

None

78.

What is the difference between a 'submittal' and a 'shop drawing'?

What is the difference between a 'submittal' and a 'shop drawing'?Deselect Answer

They are the same thing

A submittal is any document or sample sent to the architect for review; a shop drawing is a specific type of submittal showing fabrication details

A shop drawing is prepared by the architect; a submittal is prepared by the contractor

Submittals are only required on public projects

None

79.

In roof framing, what is a 'valley rafter'?

In roof framing, what is a 'valley rafter'?Deselect Answer

The rafter at the peak of the roof

A rafter that runs from the ridge diagonally to an inside corner where two roof slopes intersect

A horizontal beam supporting mid-span rafters

The rafter at the eave end of a hip roof

None

80.

What personal protective equipment is required when operating a chainsaw?

What personal protective equipment is required when operating a chainsaw?Deselect Answer

Safety glasses only

Hard hat, eye protection, hearing protection, chainsaw chaps (cut-resistant leg protection), gloves, and steel-toed boots

Only hearing protection

Safety glasses and gloves only

None

81.

What is the function of a thermostat's 'heat anticipator'?

What is the function of a thermostat's 'heat anticipator'?Deselect Answer

To preheat the home before occupancy

A calibration device that shuts off the furnace slightly before the set temperature is reached, accounting for residual heat

To regulate humidity

To control outdoor temperature sensing

None

82.

Which engineered lumber product is commonly used as a beam or header because of its high strength-to-size ratio?

Which engineered lumber product is commonly used as a beam or header because of its high strength-to-size ratio?Deselect Answer

Standard 2× dimensional lumber

Laminated Veneer Lumber (LVL)

OSB sheathing

Plywood subfloor

None

83.

What is the standard overlap for underlayment when installing hardwood or laminate flooring over concrete?

What is the standard overlap for underlayment when installing hardwood or laminate flooring over concrete?Deselect Answer

No overlap needed

2 inches

6 inches

12 inches

None

84.

What is 'acoustical ceiling tile' (dropped ceiling) used for?

What is 'acoustical ceiling tile' (dropped ceiling) used for?Deselect Answer

Structural support of upper floors

Sound absorption and attenuation to reduce noise levels in a space, while providing easy access to above-ceiling utilities

Fire resistance only

Waterproofing of the ceiling

None

85.

What equipment is used to determine the relative compaction of soil fill on a construction site in the field?

What equipment is used to determine the relative compaction of soil fill on a construction site in the field?Deselect Answer

Transit level

Nuclear density gauge (or sand cone test apparatus)

Grade laser

Soil pH meter

None

86.

What is 'sanded grout' versus 'unsanded grout', and when is each used?

What is 'sanded grout' versus 'unsanded grout', and when is each used?Deselect Answer

They perform identically in all applications

Sanded grout contains fine aggregate for joints 1/8 inch and wider; unsanded grout is used for joints narrower than 1/8 inch to avoid scratching polished surfaces

Unsanded grout is stronger and used everywhere

Sanded grout is only for outdoor use

None

87.

According to the CEC, what is the required height of receptacle outlets above the floor in residential spaces?

According to the CEC, what is the required height of receptacle outlets above the floor in residential spaces?Deselect Answer

No specific height is required by code for standard outlets

Between 12 and 18 inches above the floor

Exactly 12 inches above the floor

At least 24 inches above the floor

None

88.

What is the minimum width of a deck board face that requires two fasteners per joist per most deck codes?

What is the minimum width of a deck board face that requires two fasteners per joist per most deck codes?Deselect Answer

2 inches

3 inches

4 inches

6 inches

None

89.

What is 'overhead and profit' (O&P) in a contractor's estimate?

What is 'overhead and profit' (O&P) in a contractor's estimate?Deselect Answer

The cost of renting equipment

The contractor's indirect business costs plus the expected profit added to direct project costs

The cost of subcontracted work only

The cost of permits and fees

None

90.

A wall is 8 feet tall, 40 feet long, and requires two coats of paint. If one gallon covers 350 square feet per coat, how many gallons are needed?

A wall is 8 feet tall, 40 feet long, and requires two coats of paint. If one gallon covers 350 square feet per coat, how many gallons are needed?Deselect Answer

1.83 gallons

3.66 gallons

7.00 gallons

4.00 gallons

None

91.

What is the purpose of fire blocking in wood-frame construction?

What is the purpose of fire blocking in wood-frame construction?Deselect Answer

To improve energy efficiency

To slow the spread of fire and smoke through concealed wall and floor cavities

To provide lateral bracing

To waterproof exterior walls

None

92.

What is the purpose of a pressure-reducing valve (PRV) in a residential water supply system?

What is the purpose of a pressure-reducing valve (PRV) in a residential water supply system?Deselect Answer

To increase water pressure to the building

To reduce incoming municipal water pressure to a safe level (typically 60–80 psi) to protect fixtures and pipes

To prevent hot water scalding

To filter sediment from the water supply

None

93.

What is the purpose of a 'flagman' (flagger) in a construction traffic control zone?

What is the purpose of a 'flagman' (flagger) in a construction traffic control zone?Deselect Answer

To flag defective materials for return

To manually control vehicle traffic through or around a work zone using hand signals and a stop/slow paddle

To signal crane operators only

To direct workers on site

None

94.

Which section of a specification book covers concrete work?

Which section of a specification book covers concrete work?Deselect Answer

Division 1 – General Requirements

Division 3 – Concrete

Division 5 – Metals

Division 9 – Finishes

None

95.

In California, what minimum SEER rating is required for new residential air conditioning systems?

In California, what minimum SEER rating is required for new residential air conditioning systems?Deselect Answer

10 SEER

13 SEER

14 SEER

16 SEER

None

96.

What is the difference between a 'king stud' and a 'jack stud' in wall framing?

What is the difference between a 'king stud' and a 'jack stud' in wall framing?Deselect Answer

They are the same member

A king stud runs full height from plate to plate; a jack stud is a shorter stud that supports the header at a door or window opening

A jack stud runs full height; a king stud supports the header

King studs are used only in load-bearing walls

None

97.

What does 'on center' (o.c.) mean when specifying framing spacing?

What does 'on center' (o.c.) mean when specifying framing spacing?Deselect Answer

The measurement from the outside face of one member to the outside face of the next

The distance measured from the center of one framing member to the center of the next

The total span of a structural member

The distance from the edge of a member to the center of the next

None

98.

What is the purpose of a 'duct damper' in an HVAC system?

What is the purpose of a 'duct damper' in an HVAC system?Deselect Answer

To filter air in the duct

A movable plate inside a duct used to regulate or shut off airflow to a particular zone or room

To prevent duct condensation

To join two duct sections together

None

99.

What is the purpose of 'let-in bracing' in wood-frame wall construction?

What is the purpose of 'let-in bracing' in wood-frame wall construction?Deselect Answer

To support heavy loads on the roof

A diagonal brace notched into studs to resist racking forces in lieu of structural sheathing

A horizontal brace between floor joists

A metal strap connecting wall to foundation

None

100.

What type of caulk is most appropriate for sealing around a bathtub surround where there is water exposure?

What type of caulk is most appropriate for sealing around a bathtub surround where there is water exposure?Deselect Answer

Latex painter's caulk

100% silicone caulk

Oil-based caulk

Acrylic latex caulk without mold inhibitor

None

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