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. |
If the vehicle is running on the road having 10% gradient at a constant speed, then on flat road it will accelerate at approximately 1 m/s2 (All the parameters remain the same). |
| A. | True |
| B. | False |
| C. | |
| Answer» B. False | |
| 2. |
If the traction resistance is equal to the total running resistance, then which of the following will happen? |
| A. | The vehicle will accelerate |
| B. | The vehicle will decelerate |
| C. | The vehicle will run at a constant velocity |
| D. | The vehicle will come to rest |
| Answer» D. The vehicle will come to rest | |
| 3. |
If Frolling = 150 N, Faerodynamic = 400 N, Ftraction = 600 N, Fgradient = 0 N, what is the net force acting on the vehicle? |
| A. | 100 N |
| B. | 50 N |
| C. | 550 N |
| D. | 750 N |
| Answer» C. 550 N | |
| 4. |
What will happen if the vehicle is made 50% heavier, but all other parameters remain the same? |
| A. | The running resistance will decrease |
| B. | The running resistance will increase |
| C. | The running resistance will remain the same |
| D. | The aerodynamic resistance will increase by a factor of 1.5 squared |
| Answer» C. The running resistance will remain the same | |
| 5. |
Which one of the curves below represents a road gradient of 10%, if the mass of the vehicle is 1 ton? |
| A. | B |
| B. | A |
| C. | D |
| D. | C |
| Answer» B. A | |
| 6. |
Suppose the vehicle is running at a constant speed on the flat road with rolling resistance = 100 N and aerodynamic resistance = 100 N, what is the traction force required? |
| A. | 100 N |
| B. | 0 N |
| C. | 200 N |
| D. | 50 N |
| Answer» D. 50 N | |
| 7. |
What will happen if the traction force is negative? |
| A. | The vehicle will accelerate |
| B. | The vehicle will decelerate |
| C. | The vehicle will first accelerate and then decelerate |
| D. | The vehicle will run at a constant speed |
| Answer» C. The vehicle will first accelerate and then decelerate | |
| 8. |
If the vehicle mass is 800 kg, what is the gradient force (approximate value in N) caused by the road gradient 10%? |
| A. | 500 N |
| B. | 600 N |
| C. | 700 N |
| D. | 800 N |
| Answer» E. | |
| 9. |
Suppose the road gradient is G = 10%. What is the corresponding angle (approximate value in radians)? |
| A. | 5 rad |
| B. | 0.1 rad |
| C. | 1 rad |
| D. | 10 rad |
| Answer» C. 1 rad | |
| 10. |
What is running resistance of the vehicle? |
| A. | Rolling resistance |
| B. | Aerodynamic resistance |
| C. | Sum of rolling and aerodynamic resistance |
| D. | Traction force |
| Answer» D. Traction force | |