Civil Engineering - Building Materials

1. 

The rocks in which argil (or clay) predominates, are called

A. sillicious rocks
B. argillaceous rocks
C. calcareous rocks
D. igneous rocks.

Answer: Option B

Explanation:

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2. 

A badly mixed cement concrete results in

A. segregation
B. bleeding
C. honey combing
D. none to these.

Answer: Option C

Explanation:

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3. 

Pick up the correct statement regarding low heat cement from the following:

A. It possesses less compressive strength
B. Its initial setting time is about one hour
C. Its final setting time is about 10 hours
D. Its mainly used for mass concrete work
E. All the above.

Answer: Option E

Explanation:

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4. 

Chemically, marble is known as

A. metamorphic rock
B. argillaceous rock
C. calcareous rock
D. silicious rock.

Answer: Option C

Explanation:

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5. 

Inner part of a timber log surrounding the pitch, is called

A. sapwood
B. cambium layer
C. heart wood
D. none to these.

Answer: Option C

Explanation:

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