Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Prevent the belt joint from damaging the belt surface Prevent the belt from running off the pulley Increase the belt velocity Increase the power transmission capacity Prevent the belt joint from damaging the belt surface Prevent the belt from running off the pulley Increase the belt velocity Increase the power transmission capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to M + √(M² + T²) √(M² + T²) (1/2) × √(M² + T²) (1/2) × [M + √(M² + T²)] M + √(M² + T²) √(M² + T²) (1/2) × √(M² + T²) (1/2) × [M + √(M² + T²)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design The gears are termed as medium velocity gears, if their peripheral velocity is 3-15 m/s 30-50 m/s 1-3 m/s 15-30 m/s 3-15 m/s 30-50 m/s 1-3 m/s 15-30 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B. Four times Sixteen times Twice Eight times Four times Sixteen times Twice Eight times ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is Shear stress Bending stress Compressive stress Tensile stress Shear stress Bending stress Compressive stress Tensile stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS