M

Mr. Dubey • 52.30K Points
Coach 

Q. Which of the following defect is also known as fish tailing?

(A) surface cracking
(B) pipe defect
(C) tearing
(D) internal cracking
Correct : Option (B)

Explanation: 
 in extrusion, the pipe defect is also termed as “tail pipe”, and “fish tailing”. it occurs during hot extrusion due to the presence of impurities and oxides.

Share

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs

Q. A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw is called

Q. Which type of gearing is used in steering system of an automobile?

Q. Energy is said to be degraded each time it flows through a finite temperature difference.

Q. Work done in a quasi-static process

Q. Open, shallow discontinuities are best detected by which penetrant testing method?

Q. The centre of gravity of a coupler link in a four bar mechanism will experience

Q. Which of the following would constitute a link?

Q. Life of a rolling bearing as listed in a catalogue is usually

Q. The steam leaves the nozzle at a

Q. Which of the following is an example of a higher pair?