In a certain hydraulic equipment, it is necessary to use a hydraulic cylinder with a long working stroke. In this case, what type of cylinder should choose?
A. Single piston rod hydraulic cylinder
B. Double piston rod hydraulic cylinder
C. Plunger hydraulic cylinder
D. Telescopic hydraulic cylinder
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In general, when the single rod cylinder retracts rapidly by differential connection ()
A. the oil is charged into the rod side of the cylinder and discharged from the piston side.
B. the oil is charged into the piston side of the cylinder and discharged from the rod side.
C. the oil is input to both sides of the cylinder
D. none of above
The swing cylinder transmits ().
A. force
B. torque;
C. curvilinear motion.
D. friction
The running speed of hydraulic cylinder mainly depends on: ()
A. seal of hydraulic cylinder
B. input flow rate
C. pump supply pressure
D. external load
When the differential connection of the hydraulic cylinder is working, the cylinder's ().
A. speed increases
B. pressure increases
C. speed decreases
D. pressure decreases
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