1.  _____ method of curing of concrete is preferable for rapid gain of strength of concrete.

[A] High-pressure steam curing
[B] Infrared radiation curing
[C] Sprinkling water
[D] Membrane curing

Answer: Option A

2. Which of the following statement(s) is/are correct?

  1. Higher Vee-Bee time shows lower workability
  2. Higher slump shows higher workability
  3. Higher compacting factor shows higher workability

[A] 1 and 2
[B] 2 and 3
[C] 1, 2 and 3
[D] Only 1

Answer: Option C


3. The compaction factor for good workability of concrete is _____.

[A] 0.70
[B] 0.95
[C] 0.80
[D] 0.85

Answer: Option B

4. The compressive strength of a standard concrete cube will be ______ than that of a standard concrete cylinder.

[A] 15% greater
[B] 15% lesser
[C] 5% greater
[D] 5% lesser

Answer: Option A


5. The expansion in Portland cement can be tested by ______.

[A] normal consistency test
[B] fineness test
[C] setting time test
[D] soundness test

Answer: Option D


Leave a Reply

Your email address will not be published. Required fields are marked *