Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line Joining the corresponding points At 45° to line as per (A) Perpendicular to line as per (A) Not possible to determine with these data Joining the corresponding points At 45° to line as per (A) Perpendicular to line as per (A) Not possible to determine with these data ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the pressure angle is __________, a reciprocating follower will jam in its bearings. Too small Small Too large Large Too small Small Too large Large ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Have perfect balancing To start the locomotive quickly Minimize the effect of secondary forces Minimize the effect of primary forces Have perfect balancing To start the locomotive quickly Minimize the effect of secondary forces Minimize the effect of primary forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of Single slider crank chain? Elliptical trammel Rotary engine Beam engine Oldham’s coupling Elliptical trammel Rotary engine Beam engine Oldham’s coupling ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Relationship between the number of links (L) and number of pairs (P) is P = 2L - 2 P = 2L + 2 P = 2L + 4 P = 2L - 4 P = 2L - 2 P = 2L + 2 P = 2L + 4 P = 2L - 4 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. Zero Any +ve value Infinity Any -ve value Zero Any +ve value Infinity Any -ve value ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS