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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 8
16.
A spring controlled governor is said to be unstable when the controlling force
increases as the radius of rotation decreases
increases as the radius of rotation increases
decreases as the radius of rotation increases
remains constant for all radii of rotation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The equivalent length of a simple pendulum depends upon the distance between the point of suspension and the centre of gravity.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Balancing of rotating and reciprocating parts of an engine is necessary when it runs at
slow speed
moderate speed
highs peed
any one of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a
screw pair
spherical pair
turning pair
sliding pair
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as
tractive force
swaying couple
hammer blow
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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