Machine Design The power transmitted by the belt drive can be increased by All of these Increasing the initial tension in the belt Increasing wrap angle by using idler pulley Dressing the belt to increase the coefficient of friction All of these Increasing the initial tension in the belt Increasing wrap angle by using idler pulley Dressing the belt to increase the coefficient of friction ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 1300 to 1500°C 500 to 600°C 1100 to 1300°C 700 to 900°C 1300 to 1500°C 500 to 600°C 1100 to 1300°C 700 to 900°C ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is increased, then the pressure angle Increases Decreases None of these Remains unchanged Increases Decreases None of these Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is 0.01 micron 10 microns 1 micron 0.1 micron 0.01 micron 10 microns 1 micron 0.1 micron ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre distance between two meshing involute gears is equal to Sum of pitch circle radii/cosφ Difference of base circle radii/cosφ Sum of base circle radii/cosφ Difference of pitch circle radii/cosφ Sum of pitch circle radii/cosφ Difference of base circle radii/cosφ Sum of base circle radii/cosφ Difference of pitch circle radii/cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is P F + P F F.P P F + P F F.P ANSWER DOWNLOAD EXAMIANS APP