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Question
Consider the following statements: 
1.The gross area of a rivet is taken as the cross- sectional area of the rivet hole 
2.The distance between the centres of the rivets should not be less than 2.5 times the gross diameter of the rivet 
3.In no case shall fewer than two bolts or rivets be used for attaching the lug angle to the gusset. 
Which of the statements given above are correct? 
A.
1 and 2
B.
1 and 3
C.
2 and 3
D.
1, 2 and 3
Answer ( Option B)

1 and 3

Solution

The gross area of a rivet is taken as the cross- sectional area of the rivet hole

The distance between the centres of the rivets should not be less, than 2.5 times the

nominal diameter of the rivet. 

For attaching the lug angle to the gusset atleast two bolts or rivets shall be used.

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