Theory Of Machine - Study Mode
[#256] When one of the links of a kinematic chain is fixed, the chain is known as a
Correct Answer
(B) Mechanism
[#257] The example of completely constrained motion is a
Correct Answer
(D) All of the above
[#258] The example of successfully constrained motion is a
Correct Answer
(D) All of the above
[#259] In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be
Correct Answer
(C) Slightly more than 45 mm
[#260] The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft and $$I$$ = Mass moment of inertia of the disc attached at the end of a shaft)
Correct Answer
(C) $$frac{1}{{2pi }}sqrt {frac{{ ext{q}}}{I}} $$