Engineering - Civil Enginnering

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7.

Which of the following types of riveted joint is free from bending stresses ?                        


A. lap joint B. butt joint with single cover plate
C. butt joint with double cover plates D. none of the above




8.

The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is                        


A. 1.0 mm B. 1.5 mm
C. 2.0 mm D. 2.5 mm




9.

As compared to field rivets, the shop rivets are                        


A. stronger B. weaker
C. equally strong D. any of the above




10.

If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as per Unwin's formula will be                        


A. 16 mm B. 20 mm
C. 24 mm D. 27 mm




11.

By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?                        


A. tension failure of the plate B. shear failure of the rivet
C. shear failure of the plate D. crushing failure of the rivet




12.

Minimum pitch of the rivets shall not be less than
where d is gross diameter of rivet                        


A. 1.5 d B. 2.0 d
C. 2.5 d D. 3.0 d




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