MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Which component of I.C. engine is also known as half time gear ? |
| A. | Timing gear |
| B. | Crankcase |
| C. | Flywheel |
| D. | Tappet |
| Answer» B. Crankcase | |
| 2. |
A fuel contains 84% carbon and 16% hydrogen by mass. The necessary air- fuel ratio for chemically correct combustion is _______ |
| A. | 10.42: 1 |
| B. | 15.30: 1 |
| C. | 20.36: 1 |
| D. | 31.08: 1 |
| Answer» C. 20.36: 1 | |
| 3. |
What is the compression ratio of an engine whose dimensions are 100*120 mm and length of clearance space at the top dead centre being 8 mm? |
| A. | 16:1 |
| B. | 32:1 |
| C. | 1:16 |
| D. | 1:32 |
| Answer» B. 32:1 | |
| 4. |
What is the stroke-bore ratio for tractor engines? |
| A. | 1 |
| B. | 1.45 |
| C. | 0.25 |
| D. | 1.25 |
| Answer» E. | |
| 5. |
How many kilopascals are there in 1 kg/cm2? |
| A. | 89 kPa |
| B. | 76 kPa |
| C. | 98 kPa |
| D. | 69 kPa |
| Answer» D. 69 kPa | |
| 6. |
What is the range of angles made between common face and seat angle of valve? |
| A. | 50 -60 |
| B. | 30 -45 |
| C. | 70 -85 |
| D. | 10 -20 |
| Answer» C. 70 -85 | |
| 7. |
The lower part of a crankcase is commonly known as _______ |
| A. | Oil pan |
| B. | Dry liner |
| C. | Wet liner |
| D. | Skirt |
| Answer» B. Dry liner | |
| 8. |
The amount of heat required to raise the temperature of 1 gram of substance through 1 C is known as ________ |
| A. | Internal energy |
| B. | Molar heat capacity |
| C. | Specific heat |
| D. | Heat enthalpy |
| Answer» D. Heat enthalpy | |
| 9. |
What is molar heat capacity (C)? |
| A. | C = Specific heat * Molecular weight of gas |
| B. | C = Specific heat + Molecular weight of gas |
| C. | C = Specific heat Molecular weight of gas |
| D. | C = ( frac{Specific , heat}{Molecular , weight , of , gas} ) |
| Answer» B. C = Specific heat + Molecular weight of gas | |