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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 9
21.
A bolt has
threads for the nut at one end and head at the other end
head at one end and the other end fits into a tapped hole of one of the parts to be fastened
threads at both ends
pointed threads
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The material commonly used for machine tool bodies is
mild steel
aluminium
brass
cast iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The power transmitted by a belt drive is maximum when the maximum tension in the belt is __________ the centrifugal tension.
equal to
double
three times
six times
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The largest diameter of an external or internal screw thread is known as
minor diameter
major diameter
pitch diameter
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The gears are termed as medium velocity gears, if their peripheral velocity is
1-3 m/s
3-15 m/s
15-30 m/s
30-50 m/s
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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