Theory of Machine Frequency of vibrations is usually expressed in Number of cycles per hour None of these Number of cycles per second Number of cycles per minute Number of cycles per hour None of these Number of cycles per second Number of cycles per minute ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have Surface contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Point or line contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because The Ackerman steering gear is most economical Whole of the mechanism in the Ackerman steering gear is on the back of the front wheels The Ackerman steering gear consists of turning pairs Both (A) and (B) The Ackerman steering gear is most economical Whole of the mechanism in the Ackerman steering gear is on the back of the front wheels The Ackerman steering gear consists of turning pairs Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The condition for correct steering of a Davis steering gear is (where α = Angle of inclination of the links to the vertical) cosα = c/b tanα = c/2b sinα = b/c cotα = c/2b cosα = c/b tanα = c/2b sinα = b/c cotα = c/2b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The following is the inversion of slider crank chain mechanism Whitworth quick return mechanism All of these Hand pump Oscillating cylinder engine Whitworth quick return mechanism All of these Hand pump Oscillating cylinder engine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be To raise the bow and stern To raise the stern and lower the bow To lower the bow and stern To raise the bow and lower the stern To raise the bow and stern To raise the stern and lower the bow To lower the bow and stern To raise the bow and lower the stern ANSWER DOWNLOAD EXAMIANS APP