Between 230 and 370°C, blue brittleness is caused in mild steel because of the_________________?

Related Mcqs:

Pick out the correct statement ?

A. Materials exhibiting high elasticity obey Hooke’s law B. The elastic behaviour of rubber under compression is the same as its behaviour under tension C. The damping capacity of a material is due to its plastic deformation D. The stress required to cause plastic flow in polycrystalline material is higher as compared to monocrystalline materials … Pick out the correct statement ?Read More...

Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is ___________________?

A. Malleable iron B. Grey cast iron C. Chilled cast iron D. White cast iron...

The escape velocity of a body on earth which is independent of its mass is about ______________________ km/second?

A. 3 B. 7 C. 11 D. 15...

The most commonly used moderator in nuclear power plants is__________________?

A. Graphite B. Light water C. Heavy water D. Beryllium...

Leakage in a cooking gas cylinder is detected by___________________?

A. Radio-isotopes B. Pouring soap solution on the surface and locating the gas bubbles C. Halide torch D. Pungent smell of mercaptans present in the gas...