The load cup of a screw jack is made separate from the head of the spi – McqOptions

MCQOPTIONS

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.	prevent the rotation of load being lifted
D.	reduce the value of frictional torque
Answer» D. reduce the value of frictional torque

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