Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 90° 45° 67.5° 22.5° 90° 45° 67.5° 22.5° ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is 7.2 N/mm² compression 7.2 N/mm² tension 3.6 N/mm² tension 3.6 N/mm² compression 7.2 N/mm² compression 7.2 N/mm² tension 3.6 N/mm² tension 3.6 N/mm² compression ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 1680 d 1420 d 2080 d 2840 d 1680 d 1420 d 2080 d 2840 d 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 F + P P F F.P F + P P F F.P ANSWER DOWNLOAD EXAMIANS APP
Machine Design The sleeve or muff coupling is designed as a Hollow shaft Dun cylinder Thick cylinder Solid shaft Hollow shaft Dun cylinder Thick cylinder Solid shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions in V-belt drives is __________ flat belt drives. sin α times more than sin α times less than cosec α times more than Equal to sin α times more than sin α times less than cosec α times more than Equal to ANSWER DOWNLOAD EXAMIANS APP