Theory of Machine A mechanism _________ for transmitting or transforming motion. Can be used Unpredictable Can not be used None of these Can be used Unpredictable Can not be used None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For dynamic balancing of a shaft The net dynamic force acting on the shaft is equal to zero The net couple due to the dynamic forces acting on the shaft is equal to zero None of these Both (A) and (B) The net dynamic force acting on the shaft is equal to zero The net couple due to the dynamic forces acting on the shaft is equal to zero None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be To raise the nose and dip the tail To dip the nose and tail To dip the nose and raise the tail To raise the nose and tail To raise the nose and dip the tail To dip the nose and tail To dip the nose and raise the tail To raise the nose and tail ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l₁ and l₂ = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body) l₁ = kG l₁l₂ = kG l₂ = kG l₁l₂ = kG² l₁ = kG l₁l₂ = kG l₂ = kG l₁l₂ = kG² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 360° 180° 90° 0° 360° 180° 90° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a higher pair? Belt and pulley Screw pair Sliding pair Turning pair Belt and pulley Screw pair Sliding pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
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