Theory of Machine The mechanism consisting of three turning pairs and one sliding pair, is called a Single slider crank chain All of these Whitworth quick return motion mechanism Crank and slotted lever quick return motion mechanism Single slider crank chain All of these Whitworth quick return motion mechanism Crank and slotted lever quick return motion mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing, and R = Radius of bearing surface) (3/4) μ W R (2/3) μ W R μ W R (1/2) μ W R (3/4) μ W R (2/3) μ W R μ W R (1/2) μ W R 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)2r (ω₁ + ω₂)r (ω₁ - ω₂)r ω₁.ω₂.r (ω₁ - ω₂)2r (ω₁ + ω₂)r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the pressure angle is __________, a reciprocating follower will jam in its bearings. Too small Too large Large Small Too small Too large Large Small ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factor which affects the critical speed of a shaft is Span of shaft Eccentricity All of the listed here Diameter of disc Span of shaft Eccentricity All of the listed here Diameter of disc ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Infinity Any -ve value Any +ve value Zero Infinity Any -ve value Any +ve value Zero ANSWER DOWNLOAD EXAMIANS APP
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