General Contractor License - KB2
Comprehensive Exam Set Graded A+
A 30 foot long driveway has a 5% slope from one end to the other. The rise or change in
grade is: - ANSWER-18 inches
A bank on an excavation site has a 3 to 1 slope; how many inches per foot will the bank
rise? - ANSWER-4 inches per foot
A concrete slab should be bull floated as soon as possible after: - ANSWER-screeding
A concrete slab-on-ground cast monolithically with the footing shall be permitted to
locate _____ as an alternative to placement at the footing top and bottom? - ANSWER-
1 number 5 or two Number 4 bars in the middle third of the footing
A grade rises 86 feet in 277 feet horizontal, what is the percent of slope? - ANSWER-
31%
A kind of molding installed on the vertical wall used to accept aluminum soffit panels is:
- ANSWER-"F" Channel
A lot shall be graded to drain surface water away from foundation walls for a minimum
of _____ feet. - ANSWER-10 feet
A masonry wall that shows signs of high alkalinity needs to be painted. What type of
paint should be used? - ANSWER-alkalyd resistant paint
A minimum tread run for stairways (other than spiral stairs) in single family dwellings
having an occupant load of less than 10 is _____ inches. - ANSWER-10
A scaffold plank 9 feet long can extend over its' end support a maximum distance of: -
ANSWER-12 inches.
A scraper (pan hauler) is capable of moving 30 cubic yards of material at a time,
operates at an average speed of 4 miles per hour, and has an operating efficiency of 50
minutes per hour. If the material will expand at 25%, how many yards of material can
the scraper move in one hour in a one mile round trip? - ANSWER-80 cubic yards
A stairway with a handrail installed on one side only shall develop a minimum width of
_____. - ANSWER-31-1/2 inches
A weep screed shall be placed a minimum of how many inches above the earth? -
ANSWER-4 inches
,A window that has panels that move vertically is which of the following? - ANSWER-
double hung
According to Code the MAXIMUM diameter of a hole that may be bored in a 2 by 10
joist is _____ inches. - ANSWER-3
According to code, asphalt shingles installed on roof with a slope of 4:12 or greater
require an underlayment of: - ANSWER-one layer #15 non-perforated felt
According to code, footings shall be stepped when? - ANSWER-if the ground surface
slopes more than one unit vertical to ten units horizontal or where necessary to change
the top footing surface elevation
According to Code, foundation plates or sills shall be anchored to the foundation with
bolts spaced not more than _____ inches apart? - ANSWER-72 inches
According to code, the minimum thickness of a concrete slab that is supported directly
on the ground shall be _____ inches. - ANSWER-3.5 inches
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
According to Code, what is the minimum required width of every exit door servicing an
occupant load of 10 or more? - ANSWER-32 inches
According to Code, windows intended for use as an emergency escape route must have
a finished sill height not more than _____ inches above the finished floor. - ANSWER-
44 inches
According to OSHA rules and regulations, scaffold planks should extend past their end
supports a MINIMUM of _____ inch(es). - ANSWER-6
According to OSHA what is not required when welding? - ANSWER-Oxygen to blow off
work and clothes
According to OSHA, a trench that reaches a depth of 4 feet shall be supplied with a
ladder or a means of egress. The maximum lateral distance a person shall travel to
reach this ladder shall not exceed _____ feet. - ANSWER-25
According to OSHA, ladders (or steps) are required in all trenches or ditches at _____
feet or more in depth for an adequate means of exit. - ANSWER-4 feet or more
According to OSHA, powered concrete trowels that are manually guided shall be
equipped with: - ANSWER-a hand release shut off switch
, According to OSHA, what is the maximum distance that a scaffold plank may extend
over its end support? - ANSWER-12"
According to OSHA, what type of guard (or safety) is required for a power saw? -
ANSWER-Point of operation
According to the Americans with Disabilities Act, how big does the landing need to be at
the bottom of a ramp? - ANSWER-3 feet by 5 feet
According to the code what is the minimum slope on which asphalt strip shingles may
be installed? - ANSWER-2:12
According to the Code, an escape window in a bedroom shall have a minimum clear
opening width of: - ANSWER-20 inches.
According to the Code, notches allowed in the top or bottom of joists shall not exceed
what fraction of the depth of the joist? - ANSWER-1/6
According to the Code, plain concrete for basement walls and foundations shall be what
minimum compressive strength (psi)? - ANSWER-2500 psi
According to the code, the minimum allowable height of a guardrail at a restaurant deck
(or any commercial building) is _____ inches above the finished floor height of the deck
or balcony. - ANSWER-42
According to the code, the minimum width of at least one egress (exterior) door serving
a residence is _____ inches. - ANSWER-32 inches
All materials that are considered permissible for use as underlayment for hardwood
flooring EXCEPT for - ANSWER-particle board
All of the following roofing materials can be re-used except: - ANSWER-aggregate
materials
An area where empty drums that have held flammable or hazardous product are being
welded or cut can include all of the following except: - ANSWER-oxygen used for
cooling barrels and blowing dust from clothing
An exterior house wrap will do all of the following except: - ANSWER-insulate the wall
An untreated wood girder beam that sets in a pocket of a concrete foundation wall that
is subject to weather shall have a minimum air space of? - ANSWER-1/2 inch
As the temperature of the concrete mix increases, what is the effect on the concrete
mix? - ANSWER-there is a loss in slump
Comprehensive Exam Set Graded A+
A 30 foot long driveway has a 5% slope from one end to the other. The rise or change in
grade is: - ANSWER-18 inches
A bank on an excavation site has a 3 to 1 slope; how many inches per foot will the bank
rise? - ANSWER-4 inches per foot
A concrete slab should be bull floated as soon as possible after: - ANSWER-screeding
A concrete slab-on-ground cast monolithically with the footing shall be permitted to
locate _____ as an alternative to placement at the footing top and bottom? - ANSWER-
1 number 5 or two Number 4 bars in the middle third of the footing
A grade rises 86 feet in 277 feet horizontal, what is the percent of slope? - ANSWER-
31%
A kind of molding installed on the vertical wall used to accept aluminum soffit panels is:
- ANSWER-"F" Channel
A lot shall be graded to drain surface water away from foundation walls for a minimum
of _____ feet. - ANSWER-10 feet
A masonry wall that shows signs of high alkalinity needs to be painted. What type of
paint should be used? - ANSWER-alkalyd resistant paint
A minimum tread run for stairways (other than spiral stairs) in single family dwellings
having an occupant load of less than 10 is _____ inches. - ANSWER-10
A scaffold plank 9 feet long can extend over its' end support a maximum distance of: -
ANSWER-12 inches.
A scraper (pan hauler) is capable of moving 30 cubic yards of material at a time,
operates at an average speed of 4 miles per hour, and has an operating efficiency of 50
minutes per hour. If the material will expand at 25%, how many yards of material can
the scraper move in one hour in a one mile round trip? - ANSWER-80 cubic yards
A stairway with a handrail installed on one side only shall develop a minimum width of
_____. - ANSWER-31-1/2 inches
A weep screed shall be placed a minimum of how many inches above the earth? -
ANSWER-4 inches
,A window that has panels that move vertically is which of the following? - ANSWER-
double hung
According to Code the MAXIMUM diameter of a hole that may be bored in a 2 by 10
joist is _____ inches. - ANSWER-3
According to code, asphalt shingles installed on roof with a slope of 4:12 or greater
require an underlayment of: - ANSWER-one layer #15 non-perforated felt
According to code, footings shall be stepped when? - ANSWER-if the ground surface
slopes more than one unit vertical to ten units horizontal or where necessary to change
the top footing surface elevation
According to Code, foundation plates or sills shall be anchored to the foundation with
bolts spaced not more than _____ inches apart? - ANSWER-72 inches
According to code, the minimum thickness of a concrete slab that is supported directly
on the ground shall be _____ inches. - ANSWER-3.5 inches
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
According to Code, what is the minimum required width of every exit door servicing an
occupant load of 10 or more? - ANSWER-32 inches
According to Code, windows intended for use as an emergency escape route must have
a finished sill height not more than _____ inches above the finished floor. - ANSWER-
44 inches
According to OSHA rules and regulations, scaffold planks should extend past their end
supports a MINIMUM of _____ inch(es). - ANSWER-6
According to OSHA what is not required when welding? - ANSWER-Oxygen to blow off
work and clothes
According to OSHA, a trench that reaches a depth of 4 feet shall be supplied with a
ladder or a means of egress. The maximum lateral distance a person shall travel to
reach this ladder shall not exceed _____ feet. - ANSWER-25
According to OSHA, ladders (or steps) are required in all trenches or ditches at _____
feet or more in depth for an adequate means of exit. - ANSWER-4 feet or more
According to OSHA, powered concrete trowels that are manually guided shall be
equipped with: - ANSWER-a hand release shut off switch
, According to OSHA, what is the maximum distance that a scaffold plank may extend
over its end support? - ANSWER-12"
According to OSHA, what type of guard (or safety) is required for a power saw? -
ANSWER-Point of operation
According to the Americans with Disabilities Act, how big does the landing need to be at
the bottom of a ramp? - ANSWER-3 feet by 5 feet
According to the code what is the minimum slope on which asphalt strip shingles may
be installed? - ANSWER-2:12
According to the Code, an escape window in a bedroom shall have a minimum clear
opening width of: - ANSWER-20 inches.
According to the Code, notches allowed in the top or bottom of joists shall not exceed
what fraction of the depth of the joist? - ANSWER-1/6
According to the Code, plain concrete for basement walls and foundations shall be what
minimum compressive strength (psi)? - ANSWER-2500 psi
According to the code, the minimum allowable height of a guardrail at a restaurant deck
(or any commercial building) is _____ inches above the finished floor height of the deck
or balcony. - ANSWER-42
According to the code, the minimum width of at least one egress (exterior) door serving
a residence is _____ inches. - ANSWER-32 inches
All materials that are considered permissible for use as underlayment for hardwood
flooring EXCEPT for - ANSWER-particle board
All of the following roofing materials can be re-used except: - ANSWER-aggregate
materials
An area where empty drums that have held flammable or hazardous product are being
welded or cut can include all of the following except: - ANSWER-oxygen used for
cooling barrels and blowing dust from clothing
An exterior house wrap will do all of the following except: - ANSWER-insulate the wall
An untreated wood girder beam that sets in a pocket of a concrete foundation wall that
is subject to weather shall have a minimum air space of? - ANSWER-1/2 inch
As the temperature of the concrete mix increases, what is the effect on the concrete
mix? - ANSWER-there is a loss in slump