Machine Design The helix angle for double helical gears may be made up to 90° 75° 60° 45° 90° 75° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.5 3.5 3 2.8 2.5 3.5 3 2.8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Taper usually provided on cotter is 1 in 24 1 in 10 1 in 40 1 in 5 1 in 24 1 in 10 1 in 40 1 in 5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole) Less than 20d Greater than 30d Between 20d and 30d Equal to inside diameter of pipe Less than 20d Greater than 30d Between 20d and 30d Equal to inside diameter of pipe ANSWER DOWNLOAD EXAMIANS APP
Machine Design Residual stress in materials Becomes zero when external load is removed Is always harmful Acts when external load is applied Is independent of external loads Becomes zero when external load is removed Is always harmful Acts when external load is applied Is independent of external loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the Head Middle Thread Shank Head Middle Thread Shank ANSWER DOWNLOAD EXAMIANS APP
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