M

Mr. Dubey • 52.30K Points
Coach 

Q. Cracks of a vertical nature and dark coloured fissures in a sample of hardened steel indicate that

(A) Steel has not been properly heated
(B) Steel has been burned
(C) Steel contains excessive alloying elements
(D) Steel has been properly hardened
Correct : Option (B)

Share

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs

Q. In SI units, thermal conductivity is expressed in

Q. Which of the following can be measured using Piezo-electric transducer?

Q. Liquid penetrants can be classified into the types of dyes they contain:

Q. In case of partial balancing of locomotives, the maximum magnitude of the unbalanced force perpendicular to the line of stroke is called hammer blow a

Q. Which of the following screw thread is adopted for power transmission in either direction?

Q. A hollow saddle key is

Q. During heat treatment, deformation and volume changes can be minimised by

Q. Maximum allowable hydrocarbon in the car emission are approximately

Q. Geothermal energy is

Q. Which of the following place is not associated with nuclear power plants?