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 dependent on the materials of the contact surfaces. The friction force is directly proportional to the normal force. The friction force is independent of me area of contact. All of these The friction force is dependent on the materials of the contact surfaces. The friction force is directly proportional to the normal force. The friction force is independent of me area of contact. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum __________ in one revolution of the crank. Sixteen times Eight times Four times Two times Sixteen times Eight times Four times Two times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of completely constrained motion is a Motion of a square bar in a square hole All of these Motion of a shaft with collars at each end in a circular hole Motion of a piston in the cylinder of a steam engine Motion of a square bar in a square hole All of these Motion of a shaft with collars at each end in a circular hole Motion of a piston in the cylinder of a steam engine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The direction of Coriolis component of acceleration is the direction Along tangential acceleration Along perpendicular to angular velocity Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link Along the centripetal acceleration Along tangential acceleration Along perpendicular to angular velocity Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link Along the centripetal acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Under logarithmic decrement, the amplitude of successive vibrations are In logarithmic progression Constant In geometric progression In arithmetic progression In logarithmic progression Constant In geometric progression In arithmetic progression ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is 2 5 4 3 2 5 4 3 ANSWER DOWNLOAD EXAMIANS APP