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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 2
16.
A body will begin to move down an inclined plane, if the angle of inclination of the plane is __________ the angle of friction.
equal to
less than
greater than
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base)
sin φ + sin α =
cos φ - sin α =
cot φ - cot α =
tan φ + cot α =
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The height of a Watt's governor is
directly proportional to speed
directly proportional to (speed)2
inversely proportional to speed
inversely proportional to (speed)2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
A rotor supported at A and B carries two masses as shown in the below figure. The rotor is
dynamically balanced
statically balanced
statically and dynamically balanced
not balanced
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
For an isochronous Hartnell governor (where r1 and r2 = Maximum and minimum radius of rotation of balls respectively, S1 and S2 = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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