Machine Design For general industrial machinery, the ratio of the length of journal to its diameter is taken as 5 to 10 0.5 to 1 3 to 5 1 to 2 5 to 10 0.5 to 1 3 to 5 1 to 2 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) 2080 d 1680 d 1420 d 2840 d 2080 d 1680 d 1420 d 2840 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Plastic flow in ductile materials Increases the seriousness of static loading stress concentration Depends on other considerations Lessens the seriousness of static loading stress concentration Has no effect on it Increases the seriousness of static loading stress concentration Depends on other considerations Lessens the seriousness of static loading stress concentration Has no effect on it ANSWER DOWNLOAD EXAMIANS APP
Machine Design The period during which the cam follower remains at rest, when cam moves, is known as Idle period Fixed period Constant period Dwell period Idle period Fixed period Constant period Dwell period 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/2 90° - φ 45° - φ 45° + φ/2 45° - φ/2 90° - φ 45° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal pressure is 4 1 2 43832 4 1 2 43832 ANSWER DOWNLOAD EXAMIANS APP
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