General Contractor Part A: Questions & Answers :
Updated Solution
Which is not a grade of asphalt - ANSWER40-60
Concrete mix formula - ANSWER1 part cement, 2 parts sand, 4 parts gravel
What backfill should be used after concrete forms removed? - ANSWERGravel
C^2=b^2+a^2 refers to: - ANSWERVertical rise
What temperature does steel start to deform - ANSWER500 degrees Celsius
What is Rankine - ANSWERAbsolute zero scale for Fahrenheit
Best time to make splices on Rebar? - ANSWERAfter placing and spacing, and after
supports are set
Absolute zero scale for centigrade is: - ANSWERKelvin
Supports beneath horizontal formwork are called - ANSWERShores
What angle does separation of concrete occur? - ANSWER1:02
Minimum embedment of 1/2" anchor bolts: - ANSWER7"
Max distance to an exit in bldg without auto sprinklers is: - ANSWER200 feet
Minimum spacing for anchor bolts - ANSWER6' o.c. And within 12" of ends
Dalton's law: - ANSWERWhen 2 fades occupy the same space, combined gasss fill the
same volume that either gas would fill by itself
Which instrument used to test continuity - ANSWEROhmmeter
Armature windings on an electric motor are - ANSWERSingle phase
When cutting a road, first excavation should be: - ANSWERDrainage ditches
Minimum width of a vestibule according to UBC: - ANSWER44"
Slowest curing cement - ANSWERType IV
1 horsepower = X watts - ANSWER746 watts
What does sulfate salt do to concrete - ANSWERCauses swelling and disintegration
, 1/8 pipe bend is X degrees - ANSWER45
1/4 pipe bend how many degrees - ANSWER90
1/16 pipe bend how many degrees - ANSWER22.5
Which test procedure is conducted according to ASTM C31-69 standards -
ANSWERConcrete test cylinders
Adhesive spray that binds courses to a bond: - ANSWERTack coat
Pressure relief valve on a water heater responds to: - ANSWERTemperature or
pressure
Best choice for ducts in the placement of concrete - ANSWERGlass fiber
One horsepower equals X foot pound of torque per second - ANSWER550
When is a hub used in surveying? - ANSWERTrimming to a close tolerance
What paint inhibits rust on steel - ANSWERRed lead
Openings for passage of air supply should have a free area of at least - ANSWER2 sq
in per 1000 BTUH
Max temperature permitted for liquids contained in pipes embedded in concrete -
ANSWER150 degrees F
What ferrous metal is made primarily of iron, carbon, silicon? - ANSWERCast iron
How much does a gallon of water weigh? - ANSWER8.33 lb
First two coats of exterior plaster must have a total thickness of - ANSWER3/4"
When excavating a subdivision: - ANSWERStart at front lot stakes and grade towards
the center of the road
Steel commonly used for bridges is: - ANSWERA36
Minimum temperature for liquid asphalt - ANSWER40 degrees F
Whats the firs rolling of concrete called? - ANSWERBreakdown rolling. With a double
drum vibrating tandem roller
What type of drywall used for bathroom - ANSWERGreen board
Updated Solution
Which is not a grade of asphalt - ANSWER40-60
Concrete mix formula - ANSWER1 part cement, 2 parts sand, 4 parts gravel
What backfill should be used after concrete forms removed? - ANSWERGravel
C^2=b^2+a^2 refers to: - ANSWERVertical rise
What temperature does steel start to deform - ANSWER500 degrees Celsius
What is Rankine - ANSWERAbsolute zero scale for Fahrenheit
Best time to make splices on Rebar? - ANSWERAfter placing and spacing, and after
supports are set
Absolute zero scale for centigrade is: - ANSWERKelvin
Supports beneath horizontal formwork are called - ANSWERShores
What angle does separation of concrete occur? - ANSWER1:02
Minimum embedment of 1/2" anchor bolts: - ANSWER7"
Max distance to an exit in bldg without auto sprinklers is: - ANSWER200 feet
Minimum spacing for anchor bolts - ANSWER6' o.c. And within 12" of ends
Dalton's law: - ANSWERWhen 2 fades occupy the same space, combined gasss fill the
same volume that either gas would fill by itself
Which instrument used to test continuity - ANSWEROhmmeter
Armature windings on an electric motor are - ANSWERSingle phase
When cutting a road, first excavation should be: - ANSWERDrainage ditches
Minimum width of a vestibule according to UBC: - ANSWER44"
Slowest curing cement - ANSWERType IV
1 horsepower = X watts - ANSWER746 watts
What does sulfate salt do to concrete - ANSWERCauses swelling and disintegration
, 1/8 pipe bend is X degrees - ANSWER45
1/4 pipe bend how many degrees - ANSWER90
1/16 pipe bend how many degrees - ANSWER22.5
Which test procedure is conducted according to ASTM C31-69 standards -
ANSWERConcrete test cylinders
Adhesive spray that binds courses to a bond: - ANSWERTack coat
Pressure relief valve on a water heater responds to: - ANSWERTemperature or
pressure
Best choice for ducts in the placement of concrete - ANSWERGlass fiber
One horsepower equals X foot pound of torque per second - ANSWER550
When is a hub used in surveying? - ANSWERTrimming to a close tolerance
What paint inhibits rust on steel - ANSWERRed lead
Openings for passage of air supply should have a free area of at least - ANSWER2 sq
in per 1000 BTUH
Max temperature permitted for liquids contained in pipes embedded in concrete -
ANSWER150 degrees F
What ferrous metal is made primarily of iron, carbon, silicon? - ANSWERCast iron
How much does a gallon of water weigh? - ANSWER8.33 lb
First two coats of exterior plaster must have a total thickness of - ANSWER3/4"
When excavating a subdivision: - ANSWERStart at front lot stakes and grade towards
the center of the road
Steel commonly used for bridges is: - ANSWERA36
Minimum temperature for liquid asphalt - ANSWER40 degrees F
Whats the firs rolling of concrete called? - ANSWERBreakdown rolling. With a double
drum vibrating tandem roller
What type of drywall used for bathroom - ANSWERGreen board
