Theory of Machine When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as Compound pendulum Torsional pendulum Second's pendulum Simple pendulum Compound pendulum Torsional pendulum Second's pendulum Simple pendulum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. Self-closed Force-closed Friction closed None of these Self-closed Force-closed Friction closed None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity. Maximum Minimum None of these Zero Maximum Minimum None of these Zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 5,367 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 5,367 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 9,360 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO. The acceleration of the piston P with respect to the crank-pin C is given by ω² × CO ω² × QN ω² × CN ω² × NO ω² × CO ω² × QN ω² × CN ω² × NO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is useful to find Angular acceleration of various parts Displacement of various parts Acceleration of various parts Velocity of various parts Angular acceleration of various parts Displacement of various parts Acceleration of various parts Velocity of various parts ANSWER DOWNLOAD EXAMIANS APP
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