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Civil Set-1
Structural Engineering I
283

Structural Engineering I MCQ with Answers

283) The compressive strength of 100 mm cube as compared to 150 mm cube is always

less

more

equal

none of the above

Answer is:

more

Structural Engineering I MCQ with Answers

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Related Structural Engineering I MCQ with Answers

284) According to IS : 456 -1978, the modulus of elasticity of concrete Ec (in N/mm2) can be taken as

Ec == 5700

Ec == 570

Ec == 5700fck

Ec = where fck N/mm2 = 700 is the characteristic strength in

Answer is:

Ec == 5700

285) Increase in the moisture content in concrete

reduces the strength

increases the strength

does not change the strength

all of the above

Answer is:

reduces the strength

286) As compared to ordinary portland cement, use of pozzuolanic cement

reduces workability

increases bleeding

increases shrinkage

increases strength

Answer is:

increases shrinkage

287) Admixtures which cause early setting, and hardening of concrete are called

workability admixtures

accelerators

retarders

air entraining agents

Answer is:

accelerators

Structural Engineering I MCQ with Answers

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