Civil Engineering - Building Construction

31. 

The angular steps used for changing direction of the stairs, are called

A. round steps
B. angular steps
C. winders
D. radial steps
E. circular steps.

Answer: Option C

Explanation:

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32. 

During percussion drilling

A. ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole
B. caving or mixing of strata are caused in soft soils or cohesionless soils
C. the soil to a considerable depth below the bottom of the hole gets disturbed
D. all the above.

Answer: Option D

Explanation:

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33. 

In English garden wall bond

A. one course of headers to three or five course of stretchers
B. queen closer in provided in each heading course
C. the middle course of stretchers is started with a header to give proper vertical joints
D. all the above.

Answer: Option D

Explanation:

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34. 

A projecting piece usually provided to support a truss, is

A. cornice
B. coping
C. frieze
D. lintal.

Answer: Option C

Explanation:

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35. 

The line of intersection of the surfaces of a sloping roof forming an external angle exceeding 180°, is

A. ridge
B. hip
C. valley
D. none of these.

Answer: Option B

Explanation:

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