168) According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet by
Answer is:
2 mm for rivet diameter from 39 mm to 48 mm
Related Machine Design MCQ with Answers
Answer is:
Incorrect
Answer is:
greater than 1/10
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: