MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Mechatronics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the final amount of water flowing through a valve in one hour when originally the rate of flow from the valve was 10m3/hr which was reduced by 80%? |
| A. | 3m<sup>3</sup>/hr |
| B. | 4m<sup>3</sup>/hr |
| C. | 5m<sup>3</sup>/hr |
| D. | 2m<sup>3</sup>/hr |
| Answer» E. | |
| 2. |
What is the rate of flow of water from a cylindrical valve if the cylindrical valve has a diameter of 10 cm and velocity of water is 10m/s? |
| A. | 3.92 * 10<sup>-3</sup> m<sup>3</sup>/s |
| B. | 3.92 * 10<sup>-2</sup> m<sup>3</sup>/s |
| C. | 7.85 * 10<sup>-2</sup> m<sup>3</sup>/s |
| D. | 7.85 * 10<sup>-3</sup> m<sup>3</sup>/s |
| Answer» D. 7.85 * 10<sup>-3</sup> m<sup>3</sup>/s | |
| 3. |
Pneumatic actuator based valves use air to generate rotational force. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
How many exit ports does a 2 way valve have? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 5. |
What is the percentage change in amount of water flowing through a valve in one hour when originally the rate of flow from the valve was 10m3/hr which was reduced to 8m3/hr? |
| A. | 50% |
| B. | 60% |
| C. | 20% |
| D. | 800% |
| Answer» D. 800% | |
| 6. |
How many ports does a 3 way valve have? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 7. |
Which type of valves contains a flat disc obstructer? |
| A. | Butterfly valves |
| B. | Two way ball valves |
| C. | Three way ball valves |
| D. | Plug Valves |
| Answer» B. Two way ball valves | |
| 8. |
What is the velocity of water from a cylindrical valve if the cylindrical valve has a diameter of 10 cm and rate of flow of water in Litres per second is 157L/s? |
| A. | 40m/s |
| B. | 30m/s |
| C. | 20m/s |
| D. | 30m/s |
| Answer» D. 30m/s | |
| 9. |
Which type of valves contains tapered cylindrical obstructer? |
| A. | Butterfly valves |
| B. | Two way ball valves |
| C. | Three way ball valves |
| D. | Plug Valves |
| Answer» E. | |
| 10. |
In Butterfly valves the flow can be switched and controlled by rotating the obstructer in 90 degrees. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
In two way ball valves the flow can be switched and controlled by rotating the ball in 90 degrees. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
What is the percentage change in amount of water flowing through a valve in one hour when originally the rate of flow from the valve was 10 m3/hr which was reduced to 5m3/hr? |
| A. | 50% |
| B. | 60% |
| C. | 20% |
| D. | 100% |
| Answer» B. 60% | |
| 13. |
What is the rate of flow of water in Litres per second from a cylindrical valve if the cylindrical valve has a diameter of 10 cm and velocity of water is 12m/s? |
| A. | 100L/s |
| B. | 127L/s |
| C. | 157L/s |
| D. | 94.2L/s |
| Answer» E. | |
| 14. |
What is the rate of flow of water from a cylindrical valve if the cylindrical valve has a diameter of 10 cm and velocity of water is 5m/s? |
| A. | 3.92 * 10<sup>-3</sup>m<sup>3</sup>/s |
| B. | 3.92 * 10<sup>-2</sup>m<sup>3</sup>/s |
| C. | 4.92 * 10<sup>-2</sup>m<sup>3</sup>/s |
| D. | 4.92 * 10<sup>-3</sup>m<sup>3</sup>/s |
| Answer» C. 4.92 * 10<sup>-2</sup>m<sup>3</sup>/s | |
| 15. |
What is the percentage change in amount of water flowing through a valve in one hour when originally the rate of flow from the valve was 15m3/hr which was reduced to 5m3/hr? |
| A. | 50% |
| B. | 60% |
| C. | 20% |
| D. | 66.67% |
| Answer» E. | |