MCQOPTIONS
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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. |
In multiple venturi carburetors, the main jet discharges the fuel in a downward direction into the primary venturi against the upward air stream. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which type of carburetor the Solex is? |
| A. | Constant choke carburetor |
| B. | Constant vacuum carburetor |
| C. | Multiple venturi carburetors |
| D. | Multijet carburetor |
| Answer» B. Constant vacuum carburetor | |
| 3. |
Which of the following is not the part of a carburetor? |
| A. | Float chamber |
| B. | Choke and throttle |
| C. | Fuel strainer |
| D. | Auxiliary valve |
| Answer» E. | |
| 4. |
The principle of compensating jet device is to make the mixture leaner as the throttle opens progressively. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
A four-stroke gasoline engine of 1.9-liter capacity is to develop maximum power at 6000 revolutions per minute. The volumetric efficiency is 80%. What is the actual volume of air sucked per second? |
| A. | 0.053 m3/s |
| B. | 0.076 m3/s |
| C. | 0.046 m3/s |
| D. | 0.089 m3/s |
| Answer» C. 0.046 m3/s | |
| 6. |
Which type of carburetor is a constant vacuum carburetor? |
| A. | Zenith |
| B. | Solex |
| C. | S. U. |
| D. | Carter |
| Answer» D. Carter | |
| 7. |
To burn 1 kg of octane completely, how much amount of air is required? |
| A. | 14.12 kg |
| B. | 15.12 kg |
| C. | 16.12 kg |
| D. | 10.12 kg |
| Answer» C. 16.12 kg | |
| 8. |
When does the simple carburetor supplies rich mixture? |
| A. | Idling |
| B. | Cruising |
| C. | Accelerating |
| D. | Starting |
| Answer» D. Starting | |
| 9. |
What is the purpose of the venturi in the carburetor? |
| A. | To decrease the fuel flow |
| B. | To increase the manifold vacuum |
| C. | To increase the air velocity |
| D. | To decrease the air velocity |
| Answer» E. | |
| 10. |
What is the stoichiometric air-fuel ratio of diesel? |
| A. | 50: 1 |
| B. | 14.7: 1 |
| C. | 25: 1 |
| D. | 14.5: 1 |
| Answer» E. | |