Theory of Machine The maximum value of the pressure angle in case of cam is kept as 30° 10° 20° 14° 30° 10° 20° 14° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cam angle is defined as the angle Of rotation of the cam for a definite displacement of the follower Through which, the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position During which the follower returns to its initial position Of rotation of the cam for a definite displacement of the follower Through which, the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position During which the follower returns to its initial position ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of a double slider crank chain? Scotch yoke mechanism Oldham's coupling All of these Elliptical trammel Scotch yoke mechanism Oldham's coupling All of these Elliptical trammel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction can be used when Crank has a uniform angular velocity Crank has non-uniform velocity Crank has uniform angular acceleration Crank has uniform angular velocity and angular acceleration Crank has a uniform angular velocity Crank has non-uniform velocity Crank has uniform angular acceleration Crank has uniform angular velocity and angular acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 45° - φ/2 α = 45° + φ/2 α = 90° + φ α = 90° - φ α = 45° - φ/2 α = 45° + φ/2 α = 90° + φ α = 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Efficiency of a screw jack is given by tanα/tan (α +φ) tan (α - φ)/tanα tanα/tan (α - φ) tan (α + φ)/tanα tanα/tan (α +φ) tan (α - φ)/tanα tanα/tan (α - φ) tan (α + φ)/tanα ANSWER DOWNLOAD EXAMIANS APP