AZ ROC TRADE EXAM B 3 LICENSE UPDATED
QUESTIONS AND CORRECT ANSWERS
COMPREHENSIVE REVIEW
◉ When framing openings in floors with a header and trimmer
joists, what maximum header joist span is allowed with a single
member header?
Answer: 4 feet
◉ Above the handrail and below the head, what is the minimum
clear opening on a stairwell?
Answer: 36 inches
◉ When installing vinyl siding, how much overlap should you allow
for thermal expansion?
Answer: 1 inch
◉ What is the first step you should take when applying specialty
finishes?
Answer: Read the manufacturers use instructions.
◉ What is the appropriate gap between gypsum board and a tub
surround?
,Answer: 1/4 inch
◉ Sprayed fire resistant materials are identified by ____________ and
thickness required for a given rating.
Answer: Density.
◉ What is the most important factor in determining the "R" value of
blown in insulation?
Answer: Density.
◉ Refer to the illustration of a 2 story house w/ lap siding plans,
(complete set of plans at the test center), What are the lengths of the
second floor trusses?
Answer: 30 feet 6 inches and 13 feet 5 inches.
◉ Refer tot the illustration of a 2 story house w/ lap siding plans,
(complete set of plans at the test center), what is the height of the
foyer in inches?
Answer: inches.
◉ A ____________ is a system component that receives the inputs from
automatic and manual fire alarm devices and may be capable of
supplying power to the detection devices and transponders or off-
premises transmitters.
,Answer: Fire Alarm Control Unit.
◉ On graded sites, the top of any exterior foundation shall extend
above the elevation of:
Answer: The street gutter at point of discharge.
◉ What is the thickness of a footing for a single story frame
residence?
Answer: 6 inches.
◉ Which of the following is the most important when deciding the
depth of a footing?
Answer: Depth of the frost line.
◉ Refer tot the illustration of a 2 story house w/ lap siding plans,
(available at the testing center) How many acres is the site for the
house plan?
Answer: 1/3 acre.
◉ Which of the following can be used as backfill outside a
foundation without being compacted?
Answer: Controlled low strength material.
, ◉ For soils classified as sandy gravel, foundation pressure shall not
exceed how many PSI?
Answer: 3000 Pounds per Square Foot.
◉ Which of the following shall not be assumed to have a load
bearing capacity for foundations?
Answer: Organic Silt
◉ The soil report states that the soil is sandy-gravel. What is the
soil's load-bearing value?
Answer: 3,000 PSF
◉ According to code, what is the minimum required width of a
footing in soil rated at 2000 PSF for a single story building with 8
inch thick masonry walls?
Answer: 12 inches
◉ What is the minimum footing width of a one story light-frame
construction building?
Answer: 12 inches
◉ Which of the following would cause crazing (superficial cracking)
on the surface of concrete?
QUESTIONS AND CORRECT ANSWERS
COMPREHENSIVE REVIEW
◉ When framing openings in floors with a header and trimmer
joists, what maximum header joist span is allowed with a single
member header?
Answer: 4 feet
◉ Above the handrail and below the head, what is the minimum
clear opening on a stairwell?
Answer: 36 inches
◉ When installing vinyl siding, how much overlap should you allow
for thermal expansion?
Answer: 1 inch
◉ What is the first step you should take when applying specialty
finishes?
Answer: Read the manufacturers use instructions.
◉ What is the appropriate gap between gypsum board and a tub
surround?
,Answer: 1/4 inch
◉ Sprayed fire resistant materials are identified by ____________ and
thickness required for a given rating.
Answer: Density.
◉ What is the most important factor in determining the "R" value of
blown in insulation?
Answer: Density.
◉ Refer to the illustration of a 2 story house w/ lap siding plans,
(complete set of plans at the test center), What are the lengths of the
second floor trusses?
Answer: 30 feet 6 inches and 13 feet 5 inches.
◉ Refer tot the illustration of a 2 story house w/ lap siding plans,
(complete set of plans at the test center), what is the height of the
foyer in inches?
Answer: inches.
◉ A ____________ is a system component that receives the inputs from
automatic and manual fire alarm devices and may be capable of
supplying power to the detection devices and transponders or off-
premises transmitters.
,Answer: Fire Alarm Control Unit.
◉ On graded sites, the top of any exterior foundation shall extend
above the elevation of:
Answer: The street gutter at point of discharge.
◉ What is the thickness of a footing for a single story frame
residence?
Answer: 6 inches.
◉ Which of the following is the most important when deciding the
depth of a footing?
Answer: Depth of the frost line.
◉ Refer tot the illustration of a 2 story house w/ lap siding plans,
(available at the testing center) How many acres is the site for the
house plan?
Answer: 1/3 acre.
◉ Which of the following can be used as backfill outside a
foundation without being compacted?
Answer: Controlled low strength material.
, ◉ For soils classified as sandy gravel, foundation pressure shall not
exceed how many PSI?
Answer: 3000 Pounds per Square Foot.
◉ Which of the following shall not be assumed to have a load
bearing capacity for foundations?
Answer: Organic Silt
◉ The soil report states that the soil is sandy-gravel. What is the
soil's load-bearing value?
Answer: 3,000 PSF
◉ According to code, what is the minimum required width of a
footing in soil rated at 2000 PSF for a single story building with 8
inch thick masonry walls?
Answer: 12 inches
◉ What is the minimum footing width of a one story light-frame
construction building?
Answer: 12 inches
◉ Which of the following would cause crazing (superficial cracking)
on the surface of concrete?
