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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 8
36.
The total number of instantaneous centres for a mechanism consisting of n links are
n/2
n
n - 1
n(n - 1)/2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
The acceleration of a particle moving with simple harmonic motion, at any instant is given by
ωx
ω2x
ω2/x
ω3/x
Answer: Option
Explanation:
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38.
The partial balancing means
balancing partially revolving masses
balancing partially reciprocating masses
best balancing of engines
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Which of the following statement is correct as regard to the difference between a machine and a structure?
The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another
The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only
A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The coriolis component of acceleration depends upon
velocity of slider
angular velocity of the link
both (a) and (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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