MCQOPTIONS
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| 1. |
The_load_cup_of_a_screw_jack_is_made_separate_from_the_head_of_the_spindle_to$ |
| A. | enhance the load carrying capacity of the jack |
| B. | reduce the effort needed for lifting the working load |
| C. | reduce the value of frictional torque required to be countered for lifting the load |
| D. | prevent the rotation of load being lifted |
| Answer» E. | |