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McqMate
Chapters
1. |
..... is a device which increases the intensity of pressure of a given liquid with the help of low pressure liquid of large quantity. |
A. | Hydraulic press |
B. | Hydraulic crane |
C. | Hydraulic accumulator |
D. | Hydraulic intensifier. |
Answer» D. Hydraulic intensifier. |
2. |
Which of the following devices is used to store energy of liquid under pressure and make this energy available to hydraulic machines? |
A. | Hydraulic coupling |
B. | Hydraulic accumulator |
C. | Hydraulic ram |
D. | Hydraulic press. |
Answer» B. Hydraulic accumulator |
3. |
.... is a device which is employed for transmission of power from one shaft to another through a liquid medium. |
A. | Hydraulic intensifier |
B. | Hydraulic torque converter |
C. | Hydraulic coupling |
D. | Hydraulic press |
Answer» C. Hydraulic coupling |
4. |
Which of the following devices is used for transmitting increased or decreased torque from one shaft to another? |
A. | Hydraulic ram |
B. | Hydraulic coupling |
C. | Hydraulic intensifier |
D. | Hydraulic torque converter |
Answer» D. Hydraulic torque converter |
5. |
..... is a device with which small quantities of water can be pumped to higher levels from the available large quantity of water of low head. |
A. | Hydraulic accumulator |
B. | Hydraulic intensifier |
C. | Hydraulic ram |
D. | Air lift pump. |
Answer» C. Hydraulic ram |
6. |
The function of which of the following hydraulic devices is analogous to that of the flywheel of a reciprocating engine and an electric storage battery? |
A. | Hydraulic ram |
B. | Hydraulic accumulator |
C. | Hydraulic intensifier |
D. | Hydraulic coupling. |
Answer» B. Hydraulic accumulator |
7. |
Which of the following statements with regard to the purposes served by hydraulic units is incorrect? |
A. | Hydraulic torque converter is used for transmitting increased or decreased torque to the driven shaft. |
B. | Hydraulic ram is a pump that is used to lift small quantities of water to greater heights from large quantity of water available at small heights. |
C. | Hydraulic intensifier stores the energy of fluid in the form of pressure energy and is used for lifting heavy weights. |
D. | Hydraulic accumulator stores the energy of a fluid in the form of pressure energy; that helps to reduce |
Answer» C. Hydraulic intensifier stores the energy of fluid in the form of pressure energy and is used for lifting heavy weights. |
8. |
The working of which of the following hydraulic units is based on Pascal’s law? |
A. | Air lift pump |
B. | Jet pump |
C. | Hydraulic coupling |
D. | Hydraulic press. |
Answer» D. Hydraulic press. |
9. |
With regard to hydraulic ram, which of the following statements is incorrect? |
A. | It works automatically |
B. | It requires very little maintenance |
C. | Its running cost is high |
D. | It has no moving parts |
Answer» C. Its running cost is high |
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