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 The groove angle of pulleys for V-belt is 300 to 320 More than 400 420 to 450 340 to 360 300 to 320 More than 400 420 to 450 340 to 360 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following formula is used in designing a connecting rod? Johnson's parabolic formula Johnson's straight line formula Euler's formula Rankine's formula Johnson's parabolic formula Johnson's straight line formula Euler's formula Rankine's formula ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions in V-belt drives is __________ flat belt drives. sin α times more than Equal to sin α times less than cosec α times more than sin α times more than Equal to sin α times less than cosec α times more than 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 2.8 3 3.5 2.5 2.8 3 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress at a point in a shaft subjected to a torque is Directly proportional to the polar moment of inertia and to the distance of the point from the axis Inversely proportional to the applied torque and the polar moment of inertia Directly proportional to the applied torque and the polar moment of inertia Directly proportional to the applied torque and inversely proportional to the polar moment of inertia Directly proportional to the polar moment of inertia and to the distance of the point from the axis Inversely proportional to the applied torque and the polar moment of inertia Directly proportional to the applied torque and the polar moment of inertia Directly proportional to the applied torque and inversely proportional to the polar moment of inertia ANSWER DOWNLOAD EXAMIANS APP
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