Elimination of brittleness resulting from welding of saw blades is done by __________________ of the welded portion ?

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...

The value of y = cp/cv. at < 500°C for air & most common gases can be safely assumed to be_____________________?

A. 0.8 B. 1 C. 1.4 D. 1.8...

Lead is poured into the joint between two _______________ pipes ?

A. Mild steel B. Concrete C. Cast iron D. Asbestos cement...

The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased ___________________ times ?

A. Two B. Four C. Six D. Eight...

High speed steel tools retain their hardness upto a temperature of __________________ °C?

A. 500 B. 750 C. 900 D. 1100...