Concrete Code Final UPDATED Exam Questions and CORRECT Answers
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Concrete Code
Institution
Concrete Code
Concrete Code Final UPDATED Exam
Questions and CORRECT Answers
Water used to batch ready mix concrete shall be measured by? - Correct Answer- Weight or
volume
During initial curing, cylinders of 5000psi concrete shall be stored within a temperature range
of _____? - Correct Answer- 60* F to...
Concrete Code Final UPDATED Exam
Questions and CORRECT Answers
Water used to batch ready mix concrete shall be measured by? - Correct Answer- Weight or
volume
During initial curing, cylinders of 5000psi concrete shall be stored within a temperature range
of _____? - Correct Answer- 60* F to 80* F
Whenever strength tests are cast, what other tests should be performed? - Correct Answer-
Temperature, slump, and air content
How often must strength tests for each class of concrete be taken? - Correct Answer- Every
150 cubic yards
If 4000psi concrete was placed for wall panels, how long must the panels be kept moist if
curing compound or accelerated curing is not used and the concrete was not high early
strength? - Correct Answer- 7 days
Which is the best method to consolidate concrete for a poured in place column? - Correct
Answer- Internal vibrator
When casting 6x12 cylinders of 5000psi concrete with a slump of 1/2 inch consolidation
should be by______. - Correct Answer- Vibration
Groups of bars bundled in contact to act, as a unit shall be limited to ____bars in one bundle.
- Correct Answer- Four
What is the minimum number of longitudinal bars in a column, when enclosed by circular
ties? - Correct Answer- Four
The tops of piles shall be embedded not less than ____in to pile caps - Correct Answer- 3
inches
, Undesirable hot weather effects may include all of the following except - Correct Answer-
Decreased permeability
What is the minimum number of cylinders (6x12) that need to be cast, for an 840 cubic yard
concrete pour for a structural deck? - Correct Answer- 12
A splice that utilizes some sort of a threaded or friction mechanism is considered
______splice? - Correct Answer- Mechanical
A mechanical splice shall develop in tension or compression at least ____of the reinforcing
bar. - Correct Answer- 1.25 fy
What is the maximum sized reinforcement used in shotcrete (without additional testing)? -
Correct Answer- #5
When the total volume of a given class of concrete is less than_____, strength tests are not
required when evidence of satisfactory strength is submitted and approved by the building
official. - Correct Answer- 50 cubic yards
In a column with #11 longitudinal bars, the ties shall be at least _____in size? - Correct
Answer- #4
What is the minimum concrete coverage required for #6 reinforcing bars in a 20in x20 in
grade beam (including tolerance)? - Correct Answer- 2 1/2 inches
If water is added to a load of truck mixed concrete, how many additional revolutions are
required? - Correct Answer- 30
Construction joints in floor and roof systems shall be located in the _____of spans of slabs,
beams and girders. - Correct Answer- Middle third
Clear spacing between spirals shall not exceed _____or be less than ______? - Correct
Answer- 3 in 1 in
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