Theory of Machine Which of the following statements regarding laws governing the friction between dry surfaces are correct? All of these The friction force is independent of me area of contact. The friction force is dependent on the materials of the contact surfaces. The friction force is directly proportional to the normal force. All of these The friction force is independent of me area of contact. The friction force is dependent on the materials of the contact surfaces. The friction force is directly proportional to the normal force. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Effort of a governor is the Mean force exerted at the sleeve for a given percentage change of speed Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for a given percentage change of speed Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for maximum equilibrium speed None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The advantage of the piston valve over the slide valve is that in the former case Both wear and power absorbed are low The pressure developed being high provides tight sealing Wear is less Power absorbed is less Both wear and power absorbed are low The pressure developed being high provides tight sealing Wear is less Power absorbed is less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For simple harmonic motion of the of follower, a cosine curve represents All of these Acceleration diagram Velocity diagram Displacement diagram All of these Acceleration diagram Velocity diagram Displacement diagram ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Ackermann steering gear consists of Rolling pairs Sliding pairs Turning pairs Higher pairs Rolling pairs Sliding pairs Turning pairs Higher pairs 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 dip the nose and tail To raise the nose and tail To dip the nose and raise the tail To raise the nose and dip the tail To dip the nose and tail To raise the nose and tail To dip the nose and raise the tail To raise the nose and dip the tail ANSWER DOWNLOAD EXAMIANS APP
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