☰ Concrete Technology (Civil Engineering) - MCQs

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Q19.	Durability of concrete is proportional to :

A. sand content
B. water cement ratio
C. aggregate ratio
D. cement aggregate

✍ Discuss

Q20.	Density of concrete :

A. increases with a decrease in size of aggregate
B. in independent of size of aggregate
C. increase with increase in size of aggregate
D. none of these

✍ Discuss

Q21.	The breaking up to and remixing of concrete that has layers to set is called :

A. resetting
B. double setting
C. knocking
D. time setting

✍ Discuss

Q22.	Low temperature during concrete laying :

A. increases strength
B. decreases strength
C. has no effect on strength
D. depends on other factors

✍ Discuss

Q23.	A concrete mix that causes difficulty in obtaining a smooth or good contact with forms which may be due to excess or middle sized particles or a deficiency of fine materials is called :

A. uneven mix
B. harsh mix
C. heterogenous mix
D. none of these

✍ Discuss

Q24.	Light weight concrete is used in :

A. heat resistance
B. air conditioning of buildings
C. non-load bearing
D. reducing thickness

✍ Discuss

☰ Concrete Technology (Civil Engineering) - MCQs

Q19.

Durability of concrete is proportional to :

✓ D. cement aggregate

Q20.

Density of concrete :

✓ A. increases with a decrease in size of aggregate

Q21.

The breaking up to and remixing of concrete that has layers to set is called :

✓ A. resetting

Q22.

Low temperature during concrete laying :

✓ A. increases strength

Q23.

A concrete mix that causes difficulty in obtaining a smooth or good contact with forms which may be due to excess or middle sized particles or a deficiency of fine materials is called :

✓ C. heterogenous mix

Q24.

Light weight concrete is used in :

✓ B. air conditioning of buildings

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☰ Concrete Technology (Civil Engineering) - MCQs

Q19.

Durability of concrete is proportional to :

✓ D. cement aggregate

Q20.

Density of concrete :

✓ A. increases with a decrease in size of aggregate

Q21.

The breaking up to and remixing of concrete that has layers to set is called :

✓ A. resetting

Q22.

Low temperature during concrete laying :

✓ A. increases strength

Q23.

A concrete mix that causes difficulty in obtaining a smooth or good contact with forms which may be due to excess or middle sized particles or a deficiency of fine materials is called :

✓ C. heterogenous mix

Q24.

Light weight concrete is used in :

✓ B. air conditioning of buildings

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