Theory of Machine The pressure angle of a cam depends upon All of these Angle of ascent Lift of follower Offset between center lines of cam and follower All of these Angle of ascent Lift of follower Offset between center lines of cam and follower 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 = 90° - φ α = 90° + φ α = 45° - φ/2 α = 45° + φ/2 α = 90° - φ α = 90° + φ α = 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration of B with respect to A will be equal to Vector sum of radial component and Coriolis component Vector sum of radial component and tangential component Vector sum of tangential component and Coriolis component Vector difference of radial component and tangential component Vector sum of radial component and Coriolis component Vector sum of radial component and tangential component Vector sum of tangential component and Coriolis component Vector difference of radial component and tangential component ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) μwr ²/₃ μWR ½μWR ¾μWR μwr ²/₃ μWR ½μWR ¾μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 0° and 90° 180° and 360° Both (A) and (B) None of these 0° and 90° 180° and 360° Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Self-closed pair Higher pair Force-closed pair Lower pair Self-closed pair Higher pair Force-closed pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
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