Theory Of Machine - Study Mode
[#361] When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to
Correct Answer
(B) One
[#362] A simple spring-mass vibrating system has a natural frequency of $${{ ext{f}}_{ ext{n}}}.$$ If the spring stiffness is halved and the mass is doubled, then the natural frequency will become
Correct Answer
(A) $$frac{{{{ ext{f}}_{ ext{n}}}}}{2}$$
[#363] Which of the following is a pendulum type governor?
Correct Answer
(A) Watt governor
[#364] The secondary unbalanced force is __________ the primary unbalanced force.
Correct Answer
(D) $$frac{1}{{ ext{n}}}$$ times
[#365] The transmissibility, for all values of damping factor, will be less than unity, if $$frac{omega }{{omega { ext{n}}}}$$ is
Correct Answer
(D) Greater than 2