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 cos (θ - φ) + 1/ sin (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a radial cam, the follower moves Along the cam axis In a direction parallel to the cam axis In a direction perpendicular to the cam axis In any direction irrespective of the cam axis Along the cam axis In a direction parallel to the cam axis In a direction perpendicular to the cam axis In any direction irrespective of the cam axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a higher pair, when they Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Permit relative motion Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The dynamic friction is the friction experienced by a body, when the body None of these Is in motion Just begins to slide over the surface of the other body Is at rest None of these Is in motion Just begins to slide over the surface of the other body Is at rest ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Length of arc of contact is given by Arc of approach - Arc of recess Arc of approach / Arc of recess Arc of approach × Arc of recess Arc of approach + Arc of recess Arc of approach - Arc of recess Arc of approach / Arc of recess Arc of approach × Arc of recess Arc of approach + Arc of recess ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power from the engine to the rear axle of an automobile is transmitted by means of Hooke's joint Spur gears Bevel gears Worm and worm wheel Hooke's joint Spur gears Bevel gears Worm and worm wheel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS