A self locking screw has________________>

Related Mcqs:

If a load W is applied instantaneously on a bar; then the stress induced in bar will___________________?

A. be independent of ratio of mass of load W to mass of bar (y) B. increase with increase in y C. decrease with decrease in y D. depend on other considerations E. none of the above...

Residual stress in materials_________________?

A. acts when external load is applied B. becomes zero when external load is removed C. is independent of external loads D. is always harmful E. is always beneficial...

If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation_______________?

A. 102 d B. 124 d C. 138 d D. 151 d E. 168 d...

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...

In hydrostatic bearings ____________________?

A. the Oil film pressure is generated only by the rotation of the journal B. the oil film is maintained by supplying oil under pressure C. do not require external supply of lubricant D. grease is used for lubrication E. none of the above...