Contractors B License Trade Exam: Questions and Answers, Exams of Foreign Trade

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CONTRACTORS B LICENSE TRADE EXAM WITH

QUESTIONS AND ANSWERS

Who must be present for all fire sprinkler tests? ANSWER Contractor

How many square feet does one square of composition shingles cover? - ANSWER 96 square feet.

Which of the following is the most critical factor while mixing concrete? - Answer: water-to-cement ratio.

What is the minimum height for a bedroom ceiling? - ANSWER 7'-6".

Non-metallic encased cable must be supported every(romex) - ANSWER 4 1/2'

Why utilize a glulam beam rather than a normal lumber beam? - ANSWER Glulams contain fewer knots than normal lumber.

What is the minimal amount of freon required for a recovery system? - ANSWER: You always need a recovery unit.

What is the minimal amount of natural light a room should receive? - ANSWER 10%

What steps must you take to discourage sexual harassment in the workplace? - ANSWER Post signs

What is the normal width of a garage door? - Answer: 9'

Which of the following rooms must meet certain lighting requirements? - ANSWER: Kitchen and Bathroom

A house with a passive solar system should have windows facing south.

Which of the following is the ideal location to install a heater register? - ANSWER outside wall beneath a window.

What is the time required for grout to dry? - Answer 72 hours.

What is the minimum height for a kitchen ceiling? - Answer 7'

What is the minimum scaffold railing height? ANSWER 42"

"Dropping a stringer" indicates to account for the thickness of the initial tread.

How high above the garage floor is a water heater installed? - Answer: 18"

What is meant by the term "penny" about nails? - Answer length

A second guideline for ladder placement is to set the ladder at a ______ angle from the floor to the ladder - ANSWER 75.5 degrees.

What is the minimum clearance for an attic crawl space? - Answer 30."

What is the minimum vent size for a water closet? - ANSWER: 1/2 The diameter of the waste pipe

What is the maximum allowed distance between convenience stores? - Answer 12'

Window sizes are spoken out or denoted as: ANSWER width x height.

Which of the following will not have a continuous pilot? - ANSWER Heat Pump

What is the minimum height of a kickplate on a door. - Answer 10'

What is the maximum length of a double-cleat ladder? Answer: 24'.

Fill material must be compacted to a minimum of ______ of maximum density (answer: 90%).

What is the maximum length of a 2-inch trap arm? ANSWER 5'

When are flagmen required? - Respond when signs and barriers are inadequate.

What is the minimal insulation for a water heater? - ANSWER R12.

Non-metallic encased cable must be supported every 4-1/2'.

What's the issue with using a China bristle brush? - Answer: It expands when applied with latex paint.

Where should you place a vapor barrier in relation to a concrete slab? - ANSWER below the slab

How far must the flashing stretch from the valley's centerline? - Answer: 8"

What is the greatest distance that an anchor bolt can be from the edge of the footing? - Answer: 12"

If necessary, which of the following must be provided by the employer during demolition? - ANSWER Safety goggles

What is the minimum width for a residential shower door? - Answer: 22 inches.

What number of nails are used on a normal three-tab single? - The answer is 4.

What is the normal depth of a closet? - Answer: 24"

What does LPG stand for? - ANSWER: liquid petroleum gas.

When does a contractor have to start working after signing a contract? - Respond within twenty days.

(C) The breadth of the footing

(D) thickness of the foundation wall.

The first story includes A12, B6, C12, and D6.

When should work begin after receiving a building permit? - Answer within 180 days.

What is the minimal slope for a roof covered in composite shingles? - ANSWER 2:12.

Asphalt shingle fasteners minimum: - ANSWER 4

Wood Shake Minimum Slopes - ANSWER 3:12 (4:12 or per building official)

nail to schedule - ANSWER 6-inch edge, 12-inch field minimum

roofing word square - ANSWER roofing material is estimated and sold in squares. A square is the amount that covers 100 feet of roof.

What number of nails are used to fasten each wood shake? - ANSWER: Two nails

How big is the roll roofing? - ANSWER 3 feet wide by 36 feet long. It can be rolled onto a roof horizontally, overlapping downwards.

How far should a nail go into the decking? - ANSWER 1 inch (the nail should penetrate the shingle and sheathing.

What is the minimum size of anchor bolts? - ANSWER 1/2"

The door connecting a garage and a house: The ANSWER must be fire rated for 1 hour.

What type of bricks are used to construct a garden wall? - ANSWER grade SW

What is the most effective way to prepare the surface of a metal frame for painting?

• Answer: Sandblasting.

What is the minimum framing member size required for R-22 insulation? - ANSWER 2"x6".

What is the tolerance for a stair riser? - ANSWER 3/8 (treads and risers should vary no more than 3/8 of an inch)

What information is not required on a certificate of occupancy? - ANSWER: Name of the contractor

Foundation bolts are embedded at least ____ into the concrete or masonary and shall be spaced no more than ______ - ANSWER 7 inches.

6 feet apart.

What is the maximum permissible height of a handicap ramp before you must have a landing? - ANSWER: 5 feet.

When is a fire damper necessary? - Respond between firewalls.

What is the minimum clearance between untreated wood siding and rough ground?

• Answer: 6"

How is loose fill measured? - Answer cu yd.

Where would you utilize a reglet and counterflashing together? Answer: at the intersection of a parapet wall and the roof.

What degree of bend is not permitted on a hook in a horizontal bar? - ANSWER 60 degrees

What is the minimum compressive strength of the grout? - ANSWER: 2000 PSI

What direction should the grain of plywood subflooring go in reference to the floor joists? - Answer perpendicular.

What is the minimum size of a disability landing without doors? - ANSWER: 5'x

What are the disadvantages of utilizing an AC cable? - ANSWER: It can only be used inside and in dry conditions.

What is the minimum handrail height on a handicap ramp? - Answer 34."

Underground electrical conductors must always be: - ANSWER certified for wet environments

According to energy efficiency requirements, general lighting in a restroom must have an efficacy of at least how many lumens per watt? - Answer 40.

Which sort of insulation is the easiest to install in an older home? - Answer loose fill.

When is a special inspector required for a concrete pour? - Respond when requested by the engineer.

Why would a footing crack? ANSWER: inadequate soil preparation.