Theory of Machine The primary unbalanced force is maximum _________ in one revolution of the crank. Eight times Four times Twice Sixteen times Eight times Four times Twice Sixteen times 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 90° to each other 45° to each other 120° to each other 180° to each other 90° to each other 45° to each other ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a mechanism, the fixed instantaneous centers are those centers which None of the listed here Moves as the mechanism moves, but joints are of permanent nature Vary with the configuration of the mechanism Remain in the same place for all configurations of the mechanism None of the listed here Moves as the mechanism moves, but joints are of permanent nature Vary with the configuration of the mechanism Remain in the same place for all configurations of the mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring) (S₁ + S₂) / 2h (S₁ - S₂) / 2h (S₁ + S₂) / h (S₁ - S₂) / h (S₁ + S₂) / 2h (S₁ - S₂) / 2h (S₁ + S₂) / h (S₁ - S₂) / h 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 P with respect to the crank-pin C is given by ω² × NO ω² × CN ω² × QN ω² × CO ω² × NO ω² × CN ω² × QN ω² × CO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be Unstable Isochronous Stable Hunt Unstable Isochronous Stable Hunt ANSWER DOWNLOAD EXAMIANS APP