EXAM CORRECT 100%
If unused mortar stiffens due to hydration of cement, what must you do? - ANSWER Discard the mortar
What minimum time must you wait before caulking or grouting new tiles? - ANSWER 24-48 Hours
How long should you wait before installing tile on a shower pan? - ANSWER 24 Hours
Unstable dry rock, angular gravel, sandy loam, and cohesive soils having compressive strengths greater
than 0.5 and less than 1.5 tons/sq ft (tsf), are typical examples of: - ANSWER Type-B Soils
If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across each light? - ANSWER
35V
In a series circuit, the total voltage is divided equally.
For safety reasons, the maximum simple slope of an excavation, up to 20 ft deep, in Type-B soil is: -
ANSWER 1:1 (45°)
A Pittsburgh joint is used in: - ANSWER HVAC ductwork
The drain for a pressure relief valve on a water heater should be extended to: - ANSWER The outside of
the building
What is the minimum slope toward the drain of a shower pan? - ANSWER 1/4" per foot (2%)
What is the diameter of #3 rebar? - ANSWER 3/8"
, If a vendor fails to provide an MSDS, you have the right to call: - ANSWER Cal/OSHA or DOSH
When installing a door jamb, you need shims at: - ANSWER Both hinge and strike sides, three on each
side.
Which of the following is used to adhere vinyl floors?
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. White glue - ANSWER Epoxy cement
When do you need bracing for a drywall wall? - ANSWER Diagonal bracing is needed every 25' for any
drywall wall.
How should you clear the roots from a construction site? - ANSWER Clear roots to 12" below grade.
Dividing watts by amps gives you: - ANSWER Volts
The most frequent on-the-job roofing accidents are: - ANSWER Falls
Which of the following is NOT a type of wood block flooring?
A. Parquet
B. Wood Mosaic
C. Wood Tile
D. All of the above. - ANSWER Wood tile
Lightweight concrete is best used for:
, A. Curb and Gutter
B. Second floor decking
C. First floor slab on grade
D. Footings - ANSWER Second floor decking
The tool used to carry grout needed to patch a small hole is a:
A. Hawk
B. Poling board
C. Spot board
D. Mason's scutch - ANSWER Spot Board
Which pipe is NOT appropriate for industrial wastes?
A. Cast iron
B. Schedule 40 ABS DWV
C. Extra strength vitrified clay
D. Copper - ANSWER Copper
Where do you need a fire wall?
A. Between a living room and a bedroom
B. Between a bedroom and a bathroom
C. Between a kitchen and a bath
D. A separation wall between a dwelling and an attachment - ANSWER A separation wall between a
dwelling and an attachment.
, What is the minimum clearance between rough ground and untreated subfloor joists? - ANSWER 18
inches
Who may remove asbestos? - ANSWER Contractor with Asbestos Certification on license.
Triple-walled metal chimney installations are regulated by: - ANSWER ICC
ICC-IBC-IRC is the international code council. IBC is international building code commercial. IRC is the
international residential code.
If you are a general contractor, you should call a specialty contractor when: - ANSWER You encounter an
unfamiliar trade.
When a stairway serves a public building, what is the minimum number of steps for which a handrail is
required? - ANSWER Two
What is the minimum underlayment for asphalt shingles? - ANSWER 15 pounds
How long should you wait before sealing new tile work? - ANSWER 2 weeks
When do you install insulation? - ANSWER After the electrical and plumbing are approved.
When do you NOT need an exhaust fan in a bathroom? - ANSWER When there is a window in the
bathroom.
What is a bush-hammer used for? - ANSWER Roughen surface of hardened concrete.
When you say a wall is perfect it is: - ANSWER Both plumb and straight.