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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