Theory of Machine The critical speed of a shaft depends upon its Mass Stiffness Mass and stiffness Stiffness and eccentricity Mass Stiffness Mass and stiffness Stiffness and eccentricity 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 anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ - ω₂) r (ω₁ - ω₂) 2r (ω₁ + ω₂) r ω₁.ω₂.r (ω₁ - ω₂) r (ω₁ - ω₂) 2r (ω₁ + ω₂) r ω₁.ω₂.r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The axis of precession is __________ to the plane in which the axis of spin is going to rotate. Both A and B Parallel None of these Perpendicular Both A and B Parallel None of these Perpendicular ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then Open belt drive is recommended Both open belt drive and crossed belt drive is recommended Crossed belt drive is recommended The drive is recommended depending upon the torque transmitted Open belt drive is recommended Both open belt drive and crossed belt drive is recommended Crossed belt drive is recommended The drive is recommended depending upon the torque transmitted ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if cosθ = sinα sinθ = ± tanα cotθ = cosα tanθ = ± cosα cosθ = sinα sinθ = ± tanα cotθ = cosα tanθ = ± cosα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of centers in a crank driven slider crank mechanism is 4 6 2 4 6 2 ANSWER DOWNLOAD EXAMIANS APP