MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Automobile Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The turbocharger makes use of the power from the engine so that it increases the pressure. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
What is the brake power if the swept volume is 3.5 liters, brake mean effective pressure is 10 bars, and speed is 6000 rpm? |
| A. | 175 kW |
| B. | 17.5 kW |
| C. | 1.75 kW |
| D. | 1750 kW |
| Answer» B. 17.5 kW | |
| 3. |
Why is there a need for charge cooling? |
| A. | To increase the engine operating temperature |
| B. | To reduce the engine operating temperature |
| C. | To decrease the density of air |
| D. | To increase the exhaust temperature |
| Answer» B. To reduce the engine operating temperature | |
| 4. |
What is used to run the supercharging air compressor? |
| A. | Separate electric motor |
| B. | Engine |
| C. | Exhaust gas turbine |
| D. | Gear pump |
| Answer» C. Exhaust gas turbine | |
| 5. |
How does the supercharger increase power output? |
| A. | By increasing the charge pressure |
| B. | By increasing the charge temperature |
| C. | By increasing the speed of the engine |
| D. | By increasing the quantity of fuel admitted |
| Answer» B. By increasing the charge temperature | |
| 6. |
Which of the following is the advantage of Root s supercharger? |
| A. | It occupies less space |
| B. | It consumes less power |
| C. | It has minimum maintenance |
| D. | It produces high pressure |
| Answer» D. It produces high pressure | |
| 7. |
Which type of supercharger is used at low speeds? |
| A. | Centrifugal type supercharger |
| B. | Vane type supercharger |
| C. | Root s supercharger |
| D. | Twin-screw supercharger |
| Answer» B. Vane type supercharger | |
| 8. |
When the supercharger draws power from engine exhaust gases with the help of gas turbine, what is the supercharger called? |
| A. | Turbocharger |
| B. | Vane type supercharger |
| C. | Root s supercharger |
| D. | Centrifugal type supercharger |
| Answer» B. Vane type supercharger | |
| 9. |
Which of the following is not the effect of supercharging? |
| A. | Improved cold starting |
| B. | Increased gas loading |
| C. | Reduced exhaust smoke |
| D. | Increased thermal loads |
| Answer» E. | |
| 10. |
What is the purpose of the supercharger? |
| A. | To increase the pressure |
| B. | To increase the speed of the engine |
| C. | To increase the gear ratio |
| D. | To increase the cooling rate |
| Answer» B. To increase the speed of the engine | |