Theory of Machine A mechanism is an assemblage of Two links Three links All of these Four or more than four links Two links Three links All of these Four or more than four links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be To dip the nose and raise the tail To raise the nose and dip the tail To raise the nose and tail To dip the nose and tail To dip the nose and raise the tail To raise the nose and dip the tail To raise the nose and tail To dip the nose and tail ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gears, interference takes place when Pitch of the gears is not same Gear teeth are undercut The tip of a tooth of a mating gear digs into the portion between base and root circles Gears do not move smoothly in the absence of lubrication Pitch of the gears is not same Gear teeth are undercut The tip of a tooth of a mating gear digs into the portion between base and root circles Gears do not move smoothly in the absence of lubrication 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. Any -ve value Infinity Any +ve value Zero Any -ve value Infinity Any +ve value Zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. Line or point contact None of these Surface contact Body contact Line or point contact None of these Surface contact Body contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₁/D₂ D₁ D₁.D₂ D₂/D₁ D₁/D₂ D₁ D₁.D₂ D₂/D₁ ANSWER DOWNLOAD EXAMIANS APP