A pulley and belt in a belt drive form a Cylindrical pair Sliding pair Turning pair Rolling pair TRUE ANSWER : ? YOUR ANSWER : ?
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, if N coincides with O, then Acceleration and velocity of the piston P is maximum Acceleration and velocity of the piston P is zero Acceleration of the piston P is maximum and its velocity is zero Acceleration of the piston P is zero and its velocity is maximum TRUE ANSWER : ? YOUR ANSWER : ?
The velocity of sliding of meshing gear teeth is(Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ × ω₂) y (ω₁ + ω₂)/y (ω₁/ω₂) y (ω₁ + ω₂) y TRUE ANSWER : ? YOUR ANSWER : ?
In a reciprocating steam engine, which of the following forms a kinematic link? Piston rod and connecting rod Flywheel and engine frame Crankshaft and flywheel Cylinder and piston TRUE ANSWER : ? YOUR ANSWER : ?
An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the Tip of the pinion and flank of gear Flanks of both gear and pinion Tip of both gear and pinion Tip of the gear tooth and flank of pinion TRUE ANSWER : ? YOUR ANSWER : ?
Flexible coupling is used because It is easy to disassemble It transmits shocks gradually It is easy to engage and disengage It prevents shock transmission and eliminates stress reversals TRUE ANSWER : ? YOUR ANSWER : ?
The frictional torque transmitted by a cone clutch is same as that of Truncated conical pivot bearing Conical pivot bearing Flat collar bearing Flat pivot bearing TRUE ANSWER : ? YOUR ANSWER : ?
Sense of tangential acceleration of a link Is same as that of velocity Is opposite to that of velocity Is perpendicular to that of velocity Could be either same or opposite to velocity TRUE ANSWER : ? YOUR ANSWER : ?
Under logarithmic decrement, the amplitude of successive vibrations are In logarithmic progression Constant In geometric progression In arithmetic progression TRUE ANSWER : ? YOUR ANSWER : ?
A circular bar moving in a round hole is an example of Completely constrained motion Partially constrained motion Successfully constrained motion Incompletely constrained motion TRUE ANSWER : ? YOUR ANSWER : ?