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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 3
46.
Which of the following statement is correct?
The power absorbed in operating the piston valve is less than D-slide valve.
The wear of the piston valve is less than the wear of the D-slide valve.
The D-slide valve is also called outside admission valve.
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)
vBA x AB
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Critical damping is a function of
mass and stiffness
mass and damping coefficient
mass and natural frequency
damping coefficient and natural frequency
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
The relation between me number of links (l) and the number of binary joints (j) for a kinematic chain having constrained motion is given by l = l - 2. If the left hand side of this equation is greater than the right hand side, then the chain is
locked chain
completely constrained chain
successfully constrained chain
incompletely constrained chain
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
A Porter governor can not be isochronous.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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