Machine Design The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that It is subjected to a higher stress than the outer side It is more stretched than the outer side during the manufacturing process It has a lower curvature than the outer side It is subjected to a higher cyclic loading than the outer side It is subjected to a higher stress than the outer side It is more stretched than the outer side during the manufacturing process It has a lower curvature than the outer side It is subjected to a higher cyclic loading than the outer side 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 45° - φ 90° - φ 45° - φ/2 45° + φ/2 45° - φ 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Taper on the cotter and slot is provided May be provided anywhere On none of the sides On one side only On both the sides May be provided anywhere On none of the sides On one side only On both the sides ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Is minimum at zero speed and increases monotonically with increase in speed Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Is minimum at zero speed and increases monotonically with increase in speed Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed Is maximum at zero speed and decreases monotonically with increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a connecting rod, it is considered like __________ for buckling about X-axis. One end fixed and the other end free One end fixed and the other end hinged Both ends hinged Both ends fixed One end fixed and the other end free One end fixed and the other end hinged Both ends hinged Both ends fixed ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet by 0.5 mm up to rivet diameter of 24 mm 2 mm for rivet diameter from 39 mm to 48 mm 1 mm for rivet diameter from 27 mm to 36 mm All of these 0.5 mm up to rivet diameter of 24 mm 2 mm for rivet diameter from 39 mm to 48 mm 1 mm for rivet diameter from 27 mm to 36 mm All of these ANSWER DOWNLOAD EXAMIANS APP
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