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. |
The anti-freeze should have ______specific heat capacity to be compared to the specific heat capacity of the coolant. |
| A. | zero |
| B. | average |
| C. | low |
| D. | high |
| Answer» E. | |
| 2. |
The boiling point of the coolant should be ______ |
| A. | low |
| B. | high |
| C. | medium |
| D. | none of the above |
| Answer» C. medium | |
| 3. |
The abbreviation of SCA is ______ |
| A. | supplemental Coolant Additive |
| B. | super Cooling Additive |
| C. | standard Coolant Additive |
| D. | strategic Chemical Additive |
| Answer» B. super Cooling Additive | |
| 4. |
The coolant used in heavy-duty engines should be______ |
| A. | green in color |
| B. | fully formulated |
| C. | concentrated |
| D. | blue |
| Answer» C. concentrated | |
| 5. |
In a 50% concentration of ethylene glycol (by volume) lowers the freezing point of water to ______Degree Centigrade. |
| A. | -30 |
| B. | -50 |
| C. | -35 |
| D. | -37 |
| Answer» E. | |
| 6. |
The boiling point of ethylene glycol used in the coolant is ______Degree Centigrade |
| A. | 290 |
| B. | 195 |
| C. | 200 |
| D. | 300 |
| Answer» C. 200 | |
| 7. |
The coolant is made up of three components they are ______ |
| A. | water, anti-freezer and SCA s |
| B. | water, fuel, and silicates |
| C. | water, buffers and SCA s |
| D. | water, SCA s and defoamers |
| Answer» B. water, fuel, and silicates | |
| 8. |
The pH range of Coolant is ______ |
| A. | equal to or Greater than 7 |
| B. | 0 |
| C. | 0-5 |
| D. | 3-6 |
| Answer» B. 0 | |
| 9. |
______ Meter is used to measure the Glycol and water ratio present in the coolant? |
| A. | hydrometer |
| B. | refractometer |
| C. | galvanometer |
| D. | voltmeter |
| Answer» C. galvanometer | |
| 10. |
Carboxylates are added in the Coolant to prevent from ______ |
| A. | freezing |
| B. | condensation |
| C. | evaporation |
| D. | corrosion |
| Answer» E. | |
| 11. |
The qualities of the Anti-freezer must have these Qualities ______ |
| A. | average Viscosity |
| B. | no corrosive property |
| C. | must be Miscible |
| D. | all of the above |
| Answer» E. | |
| 12. |
The ratio of Ethylene glycol and Water in the coolant is ______ |
| A. | 50:50 |
| B. | 10:90 |
| C. | 30:70 |
| D. | 20:80 |
| Answer» B. 10:90 | |
| 13. |
The additives which are added to lower the Freezing point of the coolant is ______ |
| A. | anti- Knocking Agent |
| B. | temperature controller |
| C. | anti freezer |
| D. | isomers |
| Answer» D. isomers | |