MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Farm Machinery knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Who invented the automobile water radiator? |
| A. | Wilhelm Maybach |
| B. | Karl Benz |
| C. | Elon Musk |
| D. | Alfred Noble |
| Answer» C. Elon Musk | |
| 2. |
At what temperature does the thermostats fully open? |
| A. | 36 C |
| B. | 98 C |
| C. | 82 C |
| D. | 42 C |
| Answer» D. 42 C | |
| 3. |
What is the temperature of water in a closed radiator under high pressure? |
| A. | 319 F |
| B. | 123 F |
| C. | 264 F |
| D. | 243 F |
| Answer» E. | |
| 4. |
What is the melting point of Platinum? |
| A. | 1750 C |
| B. | 2050 C |
| C. | 850 C |
| D. | 750 C |
| Answer» B. 2050 C | |
| 5. |
What is the temperature of burning gases in the engine? |
| A. | 3000-4000 C |
| B. | 1500-2000 C |
| C. | 11000-12000 C |
| D. | 9000-10000 C |
| Answer» C. 11000-12000 C | |
| 6. |
A diesel tractor develops 60 KW with a coolant temperature difference 5.5 C. What will be the quantity of water to be circulated through the radiator? |
| A. | 3.72 l/s |
| B. | 5.56 l/s |
| C. | 9.88 l/s |
| D. | 11.10 l/s |
| Answer» C. 9.88 l/s | |
| 7. |
A body cools from 70 C to 40 C in 5 minutes at surrounding temperature of 10 C. How long will it take for the body to cool from 49 C to 25 C? |
| A. | 4.3 minutes |
| B. | 6.5 minutes |
| C. | 3.3 minutes |
| D. | 1.8 minutes |
| Answer» C. 3.3 minutes | |
| 8. |
What would be the quantity of water to be circulated through the radiator, if diesel tractor developed 40 KW with a coolant temperature difference of 5.5 C? |
| A. | 4.26 lps |
| B. | 4.19 lps |
| C. | 2.86 lps |
| D. | 3.72 lps |
| Answer» E. | |
| 9. |
What output do the engines reject running at a speed of 2000 rpm and at full load condition using gasoline? |
| A. | 0.75 KW |
| B. | 0.89 KW |
| C. | 0.23 KW |
| D. | 0.44 KW |
| Answer» B. 0.89 KW | |
| 10. |
Which law states that the rate of heat radiated by a body is directly proportional to the excess of temperature, provided that the excess temperature is less as compared to the surrounding temperature? |
| A. | Pascal s law |
| B. | Newton s law of cooling |
| C. | Einstein s equation |
| D. | Henry s law |
| Answer» C. Einstein s equation | |