In_design_of_arms_of_a_pulley,_in_belt_drive,_the_cross-section_of_the_arm_is_elliptical_with_minor_axis_placed_along_the_plane_of_rotation.$

In_design_of_arms_of_a_pulley,_in_belt_drive,_the_cross-section_of_the

1.	In_design_of_arms_of_a_pulley,_in_belt_drive,_the_cross-section_of_the_arm_is_elliptical_with_minor_axis_placed_along_the_plane_of_rotation.$
A.	True
B.	False
Answer» C.

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In design of arms of a pulley, in belt drive, the cross-section of the arm is elliptical with minor axis placed along the plane of rotation.
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If the angle of wrap on smaller pulley of diameter 250 mm is 1200 and diameter of larger pulley is twice the diameter of smaller pulley, then the centre distance between the pulleys for an open belt drive is
IN_SHORT_OPEN-BELT_DRIVES,_AN_IDLER_PULLEY_IS_USED_IN_ORDER_TO_DECREASE_THE_ANGLE_OF_CONTACT_ON_THE_SMALLER_PULLEY_FOR_HIGHER_POWER_TRANSMISSION.?$
In_design_of_arms_of_a_pulley,_in_belt_drive,_the_cross-section_of_the_arm_is_elliptical_with_minor_axis_placed_along_the_plane_of_rotation.$
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Five pulleys are arranged in the second system of pulleys. When not loaded the effort required to raise the movable block is 35N. Further wastage in friction increases the pull at the rate of 3% of the load lifted. What is the effort required to raise a load of 2kN?

In_design_of_arms_of_a_pulley,_in_belt_drive,_the_cross-section_of_the_arm_is_elliptical_with_minor_axis_placed_along_the_plane_of_rotation.$

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