Machine Design The arms of the pulleys for flat belt drive have All the three characteristics Elliptical cross-section Major axis twice the minor axis Major axis in plane of rotation All the three characteristics Elliptical cross-section Major axis twice the minor axis Major axis in plane of rotation ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crowning on pulley helps To increase pulley life To keep the belt in centre on a pulley while it is in motion In increasing the slip of the belt In decreasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In increasing the slip of the belt In decreasing the slip of the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the speed of belt increases, The power transmitted will decrease The coefficient of friction between the belt and pulley decreases The power transmitted will increase The coefficient of friction between the belt and pulley increases The power transmitted will decrease The coefficient of friction between the belt and pulley decreases The power transmitted will increase The coefficient of friction between the belt and pulley increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design The form factor of a helical gear __________ with the increase in the helix angle. None of these Decreases Remains constant Increases None of these Decreases Remains constant Increases 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 3.5 2.5 2.8 3.0 3.5 2.5 2.8 3.0 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Maximum principal stress theory is applicable for Elastic materials Ductile materials Brittle materials All of these Elastic materials Ductile materials Brittle materials All of these ANSWER DOWNLOAD EXAMIANS APP
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