Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Kinematically sound Data is not sufficient to determine same Soundness would depend upon which link is kept fixed Not sound Kinematically sound Data is not sufficient to determine same Soundness would depend upon which link is kept fixed Not sound ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a pantograph, all the pairs are Sliding pairs Turning pairs Spherical pairs Self-closed pairs Sliding pairs Turning pairs Spherical pairs Self-closed pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity. Maximum None of these Zero Minimum Maximum None of these Zero Minimum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Are held together Have surface contact Permit relative motion Have line contact Are held together Have surface contact Permit relative motion Have line contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at 120° to each other 180° to each other 45° to each other 90° to each other 120° to each other 180° to each other 45° to each other 90° to each other ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ + ω₂)r ω₁.ω₂.r (ω₁ - ω₂)r (ω₁ - ω₂)2r (ω₁ + ω₂)r ω₁.ω₂.r (ω₁ - ω₂)r (ω₁ - ω₂)2r ANSWER DOWNLOAD EXAMIANS APP