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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 5
6.
The cam follower generally used in air-craft engines is
knife edge follower
flat faced follower
spherical faced follower
roller follower
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to 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.
8.
For low and moderate speed engines, the cam follower should move with
uniform velocity
simple harmonic motion
uniform acceleration and retardation
cycloidal motion
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach
0°
90°
180°
360°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The factional torque for square thread at the mean radius r while raising load W is given by
T = W.r tan(φ - α)
T = W.r tan(φ + α)
T = W.r tan α
T = W.r tan φ
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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