Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism? All of these Watt's mechanism Grasshopper mechanism Robert's mechanism All of these Watt's mechanism Grasshopper mechanism Robert's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft) ω (r₁ r₂) cosθ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) sinθ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ r₂) cosθ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) sinθ ω (r₁ + r₂) cosθ cosec2θ 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 45° to each other 180° to each other 90° to each other 120° to each other 45° to each other 180° to each other 90° to each other ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from 30°-40° 10°-15° 25°-30° 15°-25° 30°-40° 10°-15° 25°-30° 15°-25° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A circular bar moving in a round hole is an example of Completely constrained motion Incompletely constrained motion Partially constrained motion Successfully constrained motion Completely constrained motion Incompletely constrained motion Partially constrained motion Successfully constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, this method will Reduce maximum opening of port to steam All of the listed here Reduce length of effective stroke of piston Cause withdrawing or throttling of steam Reduce maximum opening of port to steam All of the listed here Reduce length of effective stroke of piston Cause withdrawing or throttling of steam ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS