Contractor Exam Practice Questions and Answers (100% Pass)
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Course
Contractors License
Institution
Contractors License
Contractor Exam Practice Questions and Answers (100% Pass)
Which is the first step that needs to be taken prior to starting any excavation work?
- Answer️️ -contacting the local utility companies
Before excavating for a new building, how should subsoil conditions be
determined? - Answer️�...
A driveway rises 18 feet in a horizontal distance of 190 feet. What is the percent
grade? - Answer✔️✔️-9%
How long will it take to excavate a trench that is 8 foot deep by 4 feet wide by 100
feet long? The hourly production rate is 40 BCY and the operator has average
ability with an efficiency factor of 75%. - Answer✔️✔️-4 hours
Air-entrained concrete MUST be used for all of the following EXCEPT -
Answer✔️✔️-interior slabs on grade.
The amount of water per sack of cement is what controls all EXCEPT -
Answer✔️✔️-set up speed.
What is the MINIMUM compressive strength for concrete used in a foundation
wall that will be exposed to weather? - Answer✔️✔️-2500 PSI
What is the MINIMUM thickness allowed for concrete slab on ground floors? -
Answer✔️✔️-3.5 inches.
What is the MINIMUM vertical reinforcement spacing for a reinforced concrete
foundation wall that is 7 feet high and 10 inches thick on type SP soil? -
Answer✔️✔️-56 inches on center.
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