Yield strength of a polycrystalline metal with an average grain size „d’, is proportional to ____________________?

Related Mcqs:

Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than ?

A. 5 B. 10 C. 20 D. 35...

When the wavelength of incident X-rays increases, the angle of diffraction__________________?

A. Decreases B. Increases C. Remain constant D. Shows no systematic variation...

The dimensional formula of bulk modulus of elasticity is same as that of the ____________________?

A. Pressure B. Density C. Force D. None of these...

Ammonia leakage in the refrigeration system is detected by_________________?

A. Sulphur stick, which on detection gives white smoke B. Using chemical reagents C. Its smell D. Soap solution...

On being hit with a hammer, ___________________ will readily fracture?

A. Brass B. Mild steel C. Cast iron D. Lead...