题目内容

Hydraulic transmission relies on the hydrostatic pressure in the sealed volume to transfer force, such as ().

A. ten thousand ton hydraulic press
B. centrifugal pump
C. hydraulic turbine
D. hydraulic torque converter

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Compared with mechanical transmission, advantages of hydraulic transmission includes ().

A. high efficiency
B. low machining accuracy required
C. accurate transmission ratio can be obtained
D. smooth movement

In the composition of the hydraulic system, the hydraulic cylinder belongs to ().

A. power elements
B. actuators
C. control elements
D. transmission elements

Which one can realize wide range continuous variable tansmission during operation? ()

A. mechanical transmission
B. electric drive
C. pneumatic transmission
D. hydraulic transmission

In hydraulic transmission, the ___________ of the hydraulic cylinder is determined by input flow rate. ()

A. pressure
B. load
C. speed
D. displacement

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