General Contractor Part A: Questions & Answers : Updated Solution

Which is not a grade of asphalt (Ans- 40-60 Concrete mix formula (Ans- 1 part cement, 2 parts sand, 4 parts gravel What backfill should be used after concrete forms removed? (Ans- Gravel C^2=b^2+a^2 refers to: (Ans- Vertical rise What temperature does steel start to deform (Ans- 500 degrees Celsius What is Rankine (Ans- Absolute zero scale for Fahrenheit Best time to make splices on Rebar? (Ans- After placing and spacing, and after supports are set Absolute zero scale for centigrade is: (Ans- Kelvin Supports beneath horizontal formwork are called (Ans- Shores What angle does separation of concrete occur? (Ans- 1:02 Minimum embedment of 1/2" anchor bolts: (Ans- 7" Max distance to an exit in bldg without auto sprinklers is: (Ans- 200 feet Minimum spacing for anchor bolts (Ans- 6' o.c. And within 12" of ends Dalton's law: (Ans- When 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 (Ans- Ohmmeter Armature windings on an electric motor are (Ans- Single phase When cutting a road, first excavation should be: (Ans- Drainage ditches Minimum width of a vestibule according to UBC: (Ans- 44" Slowest curing cement (Ans- Type IV 1 horsepower = X watts (Ans- 746 watts What does sulfate salt do to concrete (Ans- Causes swelling and disintegration 1/8 pipe bend is X degrees (Ans- 45