Preheating is essential in welding ___________________?

Related Mcqs:

Machining properties of steel are improved by adding___________________?

A. sulphur, lead, phosphorous B. silicon, aluminium, titanium C. vanadium, aluminium D. chromium, nickel E. lubricants...

Eutectoid steel contains following percentage of carbon_______________?

A. 0.02% B. 0.3% C. 0.63% D. 0.8% E. 1.2%....

Connecting rod is usually made of_________________?

A. aluminium B. low carbon steel C. medium carbon steel D. high carbon steel E. cast iron...

The composition of silver solder is ___________________?

A. silver, copper, zinc B. silver, tin, nickel C. silver, lead, zinc D. silver, copper, aluminium E. silver, lead, tin...

Lead is poured into the joint between two pipes. These pipes may be made of____________________?

A. cast iron B. vitrified clay C. asbestos cement D. concrete E. mild steel...