Machine Design In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways. 135° 160° 90° 180° 135° 160° 90° 180° ANSWER DOWNLOAD EXAMIANS APP
Machine Design When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as Angular bevel gears Internal bevel gears Mitre gears Crown bevel gears Angular bevel gears Internal bevel gears Mitre gears Crown bevel gears 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 45° - φ/2 90° - φ 45° + φ/2 45° - φ 45° - φ/2 90° - φ 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre distance between two meshing involute gears is equal to Sum of pitch circle radii/cosφ Sum of base circle radii/cosφ Difference of pitch circle radii/cosφ Difference of base circle radii/cosφ Sum of pitch circle radii/cosφ Sum of base circle radii/cosφ Difference of pitch circle radii/cosφ Difference of base circle radii/cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pitch diameter is the __________ diameter of an external or internal screw thread. None of these Largest Effective Smallest None of these Largest Effective Smallest ANSWER DOWNLOAD EXAMIANS APP
Machine Design A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as Angular bevel gears Crown Bevel gears Internal bevel gears Mitre gears Angular bevel gears Crown Bevel gears Internal bevel gears Mitre gears ANSWER DOWNLOAD EXAMIANS APP
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