Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ + φ) + 1/ cos (θ - φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hart mechanism has Six links Twelve links Eight links Four links Six links Twelve links Eight links Four links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration exists whenever a point moves along a path that has Tangential acceleration Linear displacement Gravitational acceleration Rotational motion Tangential acceleration Linear displacement Gravitational acceleration Rotational motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four bar chain or quadric cycle chain Each of the four pairs is a turning pair One is a turning pair and three are sliding pairs Three are turning pairs and one is a sliding pair Two are turning pairs and two are sliding pairs Each of the four pairs is a turning pair One is a turning pair and three are sliding pairs Three are turning pairs and one is a sliding pair Two are turning pairs and two are sliding pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Rectangular bar in a rectangular hole is the following type of pair Incompletely constrained motion Partially constrained motion Freely constrained motion Completely constrained motion Incompletely constrained motion Partially constrained motion Freely constrained motion Completely constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Data is not sufficient to determine same Not sound Soundness would depend upon which link is kept fixed Kinematically sound Data is not sufficient to determine same Not sound Soundness would depend upon which link is kept fixed Kinematically sound ANSWER DOWNLOAD EXAMIANS APP