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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 10
1.
Which of the following statement is correct?
The distance from a point on one thread to the corresponding point on the next thread is called pitch
The distance which a screw thread advances axially in one rotation of the nut is called lead
In single start threads, lead is equal to pitch
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The taper on cotter and slot is made on both the sides.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Teflon is used for bearings because of
low coefficient of friction
better heat dissipation
smaller space consideration
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)
2 d
3 d
4 d
5 d
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The acme threads are usually found on
spindles of bench vices
railway carriage couplings
feed mechanism of machine tools
screw cutting lathes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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