MCQOPTIONS
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MCQOPTIONS
This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Control Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
When the piston area of the cylinder is connected to the atmosphere, the piston of the single-acting cylinder is pressed by the spring to the ________________ |
| A. | Cylinder center |
| B. | Cylinder down |
| C. | Cylinder bottom |
| D. | Cylinder upper |
| Answer» B. Cylinder down | |
| 2. |
A _____________ restricts air flow. |
| A. | Throttle valve |
| B. | Shuttle valve |
| C. | Directional control valve |
| D. | Single acting cylinder |
| Answer» B. Shuttle valve | |
| 3. |
The ____________________ converts the compressed air energy into mechanical energy in the form of linear movement in one direction only. |
| A. | Piston cylinders |
| B. | Double acting cylinders |
| C. | Single acting cylinders |
| D. | Hydraulic pumps |
| Answer» D. Hydraulic pumps | |
| 4. |
A one-way valve that lets air into the reservoir of a compressor, but doesn’t let it out, is a |
| A. | Check valve |
| B. | Receiver valve |
| C. | Control valve |
| D. | Three way valve |
| Answer» B. Receiver valve | |
| 5. |
What is the function of a pressure gauge? |
| A. | It controls the rate of flow of oil |
| B. | It shows the pressure reading |
| C. | Controls the direction of flow of oil |
| D. | It converts the mechanical energy to hydraulic energy |
| Answer» C. Controls the direction of flow of oil | |
| 6. |
How many types of actuators are present in hydraulic systems? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 7. |
What controls the direction of the flow of oil? |
| A. | Pressure relief valve |
| B. | Direction control valve |
| C. | Flow control valve |
| D. | Actuator |
| Answer» C. Flow control valve | |
| 8. |
The pressure relief valve is an important component which is required for every displacement pump. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
What pumps hydraulic oil to the hydraulic circuit? |
| A. | Flow control valve |
| B. | Oil reservoir |
| C. | Rotatory pumps |
| D. | Pressure gauge |
| Answer» B. Oil reservoir | |
| 10. |
Which component of a hydraulic system is used to store the sufficient amount of hydraulic oil? |
| A. | Rotatory pumps |
| B. | Oil reservoir |
| C. | Flow control valve |
| D. | Pressure gauge |
| Answer» C. Flow control valve | |
| 11. |
The force developed in hydraulic systems is high due to ____ |
| A. | high pressure |
| B. | more oil |
| C. | less pressure |
| D. | less oil |
| Answer» B. more oil | |
| 12. |
Which type of system uses ‘oil under pressure’ means for power transmission? |
| A. | Fluid power system |
| B. | Hydraulic system |
| C. | Pneumatic system |
| D. | Stepper motors |
| Answer» C. Pneumatic system | |
| 13. |
A_______________RESTRICTS_AIR_FLOW.?$ |
| A. | Throttle valve |
| B. | Shuttle valve |
| C. | Directional control valve |
| D. | Single acting cylinder |
| Answer» B. Shuttle valve | |
| 14. |
When_the_piston_area_of_the_cylinder_is_connected_to_the_atmosphere,_the_piston_of_the_single-acting_cylinder_is_pressed_by_the_spring_to_the_________________$ |
| A. | Cylinder center |
| B. | Cylinder down |
| C. | Cylinder bottom |
| D. | Cylinder upper |
| Answer» B. Cylinder down | |
| 15. |
The ____________________ converts the compressed air energy into mechanical energy in the form of linear movement in one direction only? |
| A. | Piston cylinders |
| B. | Double acting cylinders |
| C. | Single acting cylinders |
| D. | Hydraulic pumps |
| Answer» D. Hydraulic pumps | |
| 16. |
5/2 way single solenoid valve has: |
| A. | 2 ports 2 positions |
| B. | 5 ports 2 positions |
| C. | 5 ports 5 positions |
| D. | 2 ports 5 positions |
| Answer» C. 5 ports 5 positions | |
| 17. |
Series circuits work on both hydraulic and pneumatic actuators. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 18. |
A one-way valve that lets air into the reservoir of a compressor, but doesn’t let it out, is a$ |
| A. | Check valve |
| B. | Receiver valve |
| C. | Control valve |
| D. | Three way valve |
| Answer» B. Receiver valve | |
| 19. |
A single acting cylinder can be pressurized externally from one direction only. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 20. |
Pneumatic and other power systems can support three kinds of motion; they are |
| A. | Linear, reciprocating, and random motion |
| B. | Linear, flowing, and rotary motion |
| C. | Linear, zigzag, and spiral motion |
| D. | Linear, reciprocating, and rotary motion |
| Answer» E. | |
| 21. |
The scientific principle that makes hydraulic systems possible is |
| A. | Pascal’s principle |
| B. | Boyle’s law |
| C. | Bernoulli’s principle |
| D. | The fluid flow principle |
| Answer» B. Boyle‚Äö√Ñ√∂‚àö√ë‚àö¬•s law | |
| 22. |
Heavy lifting work is often accomplished by shifting fluids in big machines. The power system of such machines can be described as |
| A. | Reciprocating |
| B. | Pneumatic |
| C. | Hydraulic |
| D. | Hybrid |
| Answer» D. Hybrid | |