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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 1
41.
The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the
pitch circle
base circle
pitch curve
prime circle
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
A pair of friction discs is an example of rolling pair.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
In order to balance the reciprocating masses,
primary forces and couples must be balanced
secondary forces and couples must be balanced
both (a) and (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
In a screw jack, the effort required to lower the load W is given by
P = W tan(α - φ)
P = W tan(α + φ)
P = W tan(φ - α)
P = W cos(α + φ)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
An automobile steering gear is an example of
sliding pair
rolling pair
lower pair
higher pair
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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