MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Automotive Engine Auxiliary Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
According to the maintenance which of the following is true? |
| A. | Air cooling is easier |
| B. | Water cooling is easier |
| C. | Both water and air are easier |
| D. | Oil cooling |
| Answer» B. Water cooling is easier | |
| 2. |
For the proper maintenance _____number of years is recommended for the Flush of the Cooling System? |
| A. | 5 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» D. 1 | |
| 3. |
Which of the following is absent in the air-Cooled Engine? |
| A. | Radiator |
| B. | Fins |
| C. | Inlet and Exhaust port |
| D. | Cylinder Head |
| Answer» B. Fins | |
| 4. |
The position of the cooling Fan is_____ of the Radiator? |
| A. | behind |
| B. | top |
| C. | bottom |
| D. | in front |
| Answer» B. top | |
| 5. |
_____ Type of Wear takes places in the water Jackets of water-cooled engines? |
| A. | mechanical |
| B. | adhesion |
| C. | abrasion |
| D. | corrosion |
| Answer» E. | |
| 6. |
The 12v DC Fan present in the Pump Circulation System is operated by_____ Sensor. |
| A. | mass airflow |
| B. | throttle Position Sensor |
| C. | engine Coolant Sensor |
| D. | steering Angle Sensor |
| Answer» D. steering Angle Sensor | |
| 7. |
In a Thermosyphon System, the rate at which the water circulates is _____ |
| A. | proportional to Load and Not to Engine speed |
| B. | not Proportional to Load and Proportional to Engine Speed |
| C. | proportional to Load and Proportional to Engine Speed |
| D. | not Proportional to load and Not Proportional to Engine Speed |
| Answer» B. not Proportional to Load and Proportional to Engine Speed | |
| 8. |
For Better Thermal Conductivity ______and ______Alloys are used during the Manufacturing of Fins present in air-cooled Engines? |
| A. | copper and Steel |
| B. | brass and Copper |
| C. | aluminum and Steel |
| D. | bronze and Copper |
| Answer» B. brass and Copper | |
| 9. |
The main difference between the Pump circulation System and Thermosyphon System is the presence of ______ |
| A. | fan |
| B. | radiator |
| C. | hosepipe |
| D. | pump |
| Answer» E. | |
| 10. |
What is the correct sequence of the coolant flow in a Thermosyphon system? |
| A. | Engine-Header tank –Radiator-Collector tank |
| B. | Collector tank- Header tank-Radiator- Engine |
| C. | Engine-collector tank- Header tank-Radiator |
| D. | Radiator- Header tank- collector tank- Engine |
| Answer» B. Collector tank- Header tank-Radiator- Engine | |
| 11. |
In Cooling system when the cooling is reached beyond the limits leads to______ of viscosity and ______ of the Mechanical Efficiency. |
| A. | increase and Decrease |
| B. | decrease and Increase |
| C. | increase and Increase |
| D. | decrease and Decrease |
| Answer» B. decrease and Increase | |
| 12. |
The Principle used to dissipate the heat from water to atmosphere via Radiator in the sequence is ______and ______ |
| A. | radiation and Conduction |
| B. | radiation and Convection |
| C. | conduction and Convection |
| D. | convection and Radiation |
| Answer» D. convection and Radiation | |
| 13. |
In air-cooled small engines ______ are provided on the outer perimeter of the engine? |
| A. | Flanges |
| B. | Fins |
| C. | Holes |
| D. | Treads |
| Answer» C. Holes | |