If d is the diameter of bolt hole then for a flanged pipe joint to be leak proof, the circumferential pitch of the bolts should be

If d is the diameter of bolt hole then for a flanged pipe joint to be

1.	If d is the diameter of bolt hole then for a flanged pipe joint to be leak proof, the circumferential pitch of the bolts should be
A.	lOVZ
B.	10VZtol5Vd
C.	15Vdto20VZ
D.	20Vdto30Vd
Answer» E.

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If d is the diameter of bolt hole then for a flanged pipe joint to be leak proof, the circumferential pitch of the bolts should be

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