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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 6
16.
Which of the following is a turning pair?
Piston and cylinder of a reciprocating steam engine
Shaft with collars at both ends fitted into a circular hole
Lead screw of a lathe with nut
Ball and a socket joint
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
In a simple train of wheels, the velocity ratio __________ the intermediate wheels.
depends upon
is independent of
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The two elements of a pair are said to form a higher pair, when they
have a surface contact when in motion
have a line or point contact when in motion
are kept in contact by the action of external forces, when in motion
permit relative motion
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The maximum fluctuation of energy is the
difference between the maximum and minimum energies
sum of the maximum and minimum energies
variations of energy above and below the mean resisting torque line
ratio of the mean resisting torque to the workdone per cycle
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as
structure
machine
inversion
compound mechanism
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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