For preparation of porous bearings by powder metallurgy, preferred particle shape is___________________?

Related Mcqs:

In the diving apparatus, helium is used along with oxygen, because it is ____________________?

A. Easily available B. Not soluble in blood at high pressure C. Lighter than nitrogen D. Completely miscible with oxygen...

The order of a chemical reaction____________________?

A. Can be determined only experimentally B. Can be determined from the stoichiometry of the reaction C. Cannot be zero D. Can be fractional...

Consumable electrodes are used in the ____________________ welding?

A. Gas B. Arc C. Thermit D. Resistance...

Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing 50% B is_______________?

A. R ln 2 B. -R ln 2 C. 3 R ln 2 D. -3R ln 2...

Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2) ?

A. High speed steel B. Stainless steel C. Tungsten carbide D. Superalloys...