The load cup of a screw jack is made separate from the head of the sp

1.	The load cup of a screw jack is made separate from the head of the spindle to
A.	Prevent the rotation of load being lifted
B.	Enhance the load carrying capacity of the jack
C.	Reduce the effort needed for lifting the working load
D.	Reduce the value of frictional torque
Answer» B. Enhance the load carrying capacity of the jack

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The load cup of a screw jack is made separate from the head of the spindle to

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