题目内容

Electric motor has a speed of 1200 rpm and output rate of pump is 6 mL/rev. Calculate flow rate of pump in l/min

A. 6 l/min
B. 7.2 l/min
C. 5 l/min
D. none of the above

查看答案

搜索结果不匹配？点我反馈

更多问题

Calculate the power absorbed by the pump if, it has a flow rate of 20 mL/rev and develops a maximum pressure of 70 bar, when electric motor runs at a speed of 1200 rpm.

A. 1.9 kW
B. 2.8 kW
C. 2.3 kW
D. none of the above

查看答案

Volumetric efficiency of the pump is the ratio of

A. theoretical flow rate to actual flow rate
B. actual flow rate to theoretical flow rate
C. actual fluid power to pump input power
D. none of the above

查看答案

The hydraulic cylinder that can realize the differential connection is ().

A. double rod hydraulic cylinder
B. single rod hydraulic cylinder
C. plunger type hydraulic cylinder
D. A + B + C

查看答案

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

查看答案

Electric motor has a speed of 1200 rpm and output rate of pump is 6 mL/rev. Calculate flow rate of pump in l/min

A. 6 l/min B. 7.2 l/min C. 5 l/min D. none of the above

Calculate the power absorbed by the pump if, it has a flow rate of 20 mL/rev and develops a maximum pressure of 70 bar, when electric motor runs at a speed of 1200 rpm.

Volumetric efficiency of the pump is the ratio of

The hydraulic cylinder that can realize the differential connection is ().

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. 6 l/min
B. 7.2 l/min
C. 5 l/min
D. none of the above