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 has a lower curvature than the outer side It is more stretched than the outer side during the manufacturing process It is subjected to a higher stress than the outer side It is subjected to a higher cyclic loading than the outer side It has a lower curvature than the outer side It is more stretched than the outer side during the manufacturing process It is subjected to a higher stress than the outer side It is subjected to a higher cyclic loading than the outer side ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material. None of these Smaller Greater Medium None of these Smaller Greater Medium ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crowning on pulley helps To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt To increase pulley life In increasing the slip of the belt To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt To increase pulley life In increasing the slip of the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt is designed on the basis of __________ with a large factor of safety. Direct bending stress Direct compressive stress Direct shear stress Direct tensile stress Direct bending stress Direct compressive stress Direct shear stress Direct tensile stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as Helix angle Pitch lead angle None of these Pressure angle Helix angle Pitch lead angle None of these Pressure angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) ANSWER DOWNLOAD EXAMIANS APP
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