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231.

In a riveted joint, when the number of rivets decreases from the inner most row to outer most row, the joint is said to be

A.	chain riveted	B.	zig-zag riveted
C.	diamond riveted	D.	none of these

232.

The centre to centre distance, between two consecutive rivets in a row, is called

A.	margin	B.	pitch
C.	back pitch	D.	diagonal pitch

233.

The distance between the centre of a rivet hole to the nearest edge of plate, is called

A.	margin	B.	pitch
C.	back pitch	D.	diagonal pitch

234.

The distance between the centres of rivets in adjacent rows of zig-zag riveted joint, is called back pitch.

True

False

235.

The perpendicular distance between the centre lines of the successive rows, is called pitch.

Agree

Disagree

236.

Rivets are generally specified by

A.	thickness of plates to be joined	B.	overall length
C.	shank diameter	D.	diameter of head

237.

The object of caulking in a riveted joint is to make the joint

A.	free from corrosion	B.	stronger in tension
C.	free from stresses	D.	leak-proof

238.

A riveted joint may fail by

A.	tearing of the plate at an edge	B.	tearing of the plate across a row of rivets
C.	shearing of rivets	D.	any one of these

239.

A lap joint is always in

single

double

240.

A double strap butt joint with equal straps is

A.	always in single shear	B.	always in double shear
C.	either in single shear or double shear	D.	none of these