objective question type 1

December 17, 2019

1.

Wrought iron contains carbon upto

A. 0.25%

B. 1.0%

C. 1.5%

D. 2%

Answer & Solution

2.
Ultimate strength to cement is provided by

A. Tricalcium silicate

B. Di-calcium silicate

C. Tri-calcium aluminate

D. Tetra calcium alumino ferrite

Answer & Solution

3. Bitumen felt

A. is used as water proofing material

B. is used as damp proofing material

C. is made from bitumen and hessian fibres

D. all the above

Answer & Solution

4. In the cement the compound quickest to react with water, is

A. Tricalcium aluminate

B. Tetra-calcium alumino-ferrite

C. Tricalcium silicate

D. Dicalcium silicate

Answer & Solution

5. The initial setting time of lime-pozzolana, is

A. 30 minutes

B. 60 minutes

C. 90 minutes

D. 120 minutes

Answer & Solution

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