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_________________?

Related Mcqs:

If an unsupported uniform cross sectional elastic bar is subjected to a longitudinal impact from a rigid bob moving with velocity v, then a compressive wave of intensity sc is propagated through the bar as follows______________________?

A. vpE B. vVvF C. WpE/2 D. IvHpE E. none of the above, where E = modulus of elasticity and p = mass density...

The building up of worn and uridersized parts, subjected to repeated loads by electroplating is_____________________?

A. best method B. extremely hazardous C. has no effect as regards fatigue strength D. cheapest method E. all of the above...

Set screws are_________________?

A. similar to small size tap bolts except that a greater variety of shapes of heads are available B. slotted for a screw driver and generally used with a nut C. used to prevent relative motion be-tween parts D. similar to stud E. none of the above...

If two springs are in parallel then their overall stiffness will be_______________?

A. half B. same C. double D. unpredictable E. none of the above...

Elastic nut is a locking device in which__________________?

A. one small nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming B. a slot is cut partly in middle of nut and then slot reduced by tightening a screw C. hard fiber or nylon cotter is recessed in the nut and becomes threaded as the … Elastic nut is a locking device in which__________________?Read More...