Machine Design In case of V belt drive None of these The belt should not touch the bottom of groove in the pulley The belt should touch the bottom of groove in the pulley The belt should not touch the sides of groove in the pulley None of these The belt should not touch the bottom of groove in the pulley The belt should touch the bottom of groove in the pulley The belt should not touch the sides of groove in the pulley 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 + (3a/b)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (b/3a)] σ [1 + (3a/b)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (b/3a)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design Basic hole is one Whose lower as well as upper deviations are zero Does not exist Whose upper deviation is zero Whose lower deviation is zero Whose lower as well as upper deviations are zero Does not exist Whose upper deviation is zero Whose lower deviation is zero ANSWER DOWNLOAD EXAMIANS APP
Machine Design The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be 2εc + εl εc + εl² εc² + εl εc + 2εl 2εc + εl εc + εl² εc² + εl εc + 2εl ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt speed increases Power transmitted remains the same Power transmitted increases to a maximum value and then decreases Power transmitted decreases Power transmitted increases Power transmitted remains the same Power transmitted increases to a maximum value and then decreases Power transmitted decreases Power transmitted increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° + φ/2 45° - φ 90° - φ 45° - φ/2 45° + φ/2 45° - φ 90° - φ 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
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