Addition of _______________ to steel does not help in improving its machinability ?

Related Mcqs:

Lead pencil contains____________________?

A. Graphite B. Lead sulphide C. Lead D. Both B. & C....

Pick out the wrong statement ?

A. Seam welding, projection welding & spot welding are the classification of electrical resistance welding B. Electrode tip in spot welding is of copper and the tip diameter should be equal to t (where, t = plate thickness to be welded) C. In spot welding, two pieces to be joined are overlapped and placed between … Pick out the wrong statement ?Read More...

Electrometallurgical methods of metal extraction is normally used for those metals___________________?

A. Whose oxide/ore is not reduced by carbon B. Which fall in the category of alkali & alkaline earth metals C. Which stands higher in the electrochemical series of the metal D. All A, B. & C....

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...