Theory of Machine If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 0° 360° 90° 180° 0° 360° 90° 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as Logarithmic decrement Damping factor Critical damping ratio Magnification factor Logarithmic decrement Damping factor Critical damping ratio Magnification factor 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 is _________ when the crank OC and connecting rod PC are at right angles to each other. Any +ve value Zero Infinity Any -ve value Any +ve value Zero Infinity Any -ve value ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine V-belts are usually used for Long drives None of these Short drives Long and short drives Long drives None of these Short drives Long and short drives ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear. Same Less None of the listed here More Same Less None of the listed here More ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be Zero Maximum Minimum None of these Zero Maximum Minimum None of these ANSWER DOWNLOAD EXAMIANS APP