98) In order to remove internal stresses produced by hardening the steel, the process usually adopted is
Answer is:
tempering
Related Machine Design MCQ with Answers
Answer is:
No
Explanation:
If the thickness of the wall of a shell is less than 1/10 of its diameter, it is known as thin shell.
If the thickness of the wall of a shell is greater than 1/10 of its diameter, it is known as thick shell.
The thick shells are, generally, used to withstand high pressures. Sometimes, even, compound thick shells are used to withstand very high pressures or to contain chemicals under high pressure.
The problem of thick cylinders is, somewhat, complex and is solved by Lame's theory.
Answer is:
keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt
Answer is: