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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 3
11.
The swaying couple is due to the
primary unbalanced force
secondary unbalanced force
two cylinders of locomotive
partial balancing
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The lead screw of a lathe with nut forms a
rolling pair
sliding pair
screw pair
turning pair
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
In under damped vibrating system, if x1 and x2 are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to
log
loge
log(x1.x2)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
The angle of the inclined plane at which the body just begins to slide down the plane, is called helix angle.
Right
Wrong
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
In forced vibrations, the magnitude of damping force at resonance is equal to the impressed force.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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