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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 7
16.
The equation of free vibrations of a system is , Its natural frequency is
3 Hz
3π Hz
6 Hz
6π Hz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
When the primary direct crank of a reciprocating engine makes an angle of θ with the line of stroke, then the secondary direct crank will make an angle of __________ with the line of stroke.
θ/2
θ
2 θ
4 θ
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The frequency of oscillation of a compound pendulum is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The relation between number of links (l) and number of joints (j) in a kinematic chain is
l = (j + 2)
l = (j + 2)
l = (j + 3)
l = j + 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Two heavy rotating masses are connected by shafts of lengths l1, l2 and l3 and the corresponding diameters are d1, d2 and d3. This system is reduced to a torsionally equivalent system having uniform diameter d = d1 of the shaft. The equivalent length of the shaft is
l1 + l2 + l3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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