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______________________?

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Stress concentration in cyclic loading is____________________?

Which is correct statement ? A. very serious in brittle materials and less serious in ductile materials B. very serious in ductile materials and less serious in brittle materials C. equally serious in both types of materials D. seriousness would depend on other factors E. none of the above...

A hot short metal is_________________?

A. brittle when cold B. brittle when hot C. brittle under all conditions D. ductile at high temperature E. hard when hot...

The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of____________?

A. 0.25 B. 0.45 C. 0.55 D. 0.65 E. 0.75...

The shear plane in case of bolts should_________________?

A. be across threaded portion of shank B. be parallel to axis of bolt C. be normal to threaded portion of shank D. never be across the threaded portion E. none of the above...

If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to___________________?

A. diameter of bolt B. 0.75 x diameter of bolt C. 1.25 x diameter of bolt D. 1.5 x diameter of bolt E. 0.5 x diameter of bolt...