The type of hydraulic cylinder often used for long cylinder is ().
A. piston type
B. plunger type
C. swing type
D. rod less hydraulic cylinder
查看答案
Cylinder has a bore area of 300 cm2 and velocity of 180 cm/min. Calculate the flow rate of a pump
A. 55 l/min
B. 50 l/min
C. 54 l/min
D. none of the above
Which energy is converted into mechanical energy by the hydraulic cylinders?
A. hydrostatic energy
B. hydrodynamic energy
C. electrical energy
D. none of the above
In a telescopic cylinder, as the number of stages increase ()
A. diameter of piston rod also increases
B. diameter of piston rod decreases
C. diameter of the piston rod remains the same
D. none of the above
Which of the following statements is true for standard hydraulic cylinder and a telescopic cylinder?
A. telescopic and standard cylinders give same stroke length
B. telescopic cylinders give lesser stroke length than standard cylinder
C. telescopic cylinders give greater stroke length than standard cylinder
D. none of the above
微信支付 
支付宝支付