MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
A four-stroke diesel engine operating at 1200 rpm uses 0.1 kg of fuel in 5 minutes and develops a torque of 7.5 kg-m. What is the brake specific fuel consumption. |
| A. | 0.2810 kg/BHP/h |
| B. | 0.1910 kg/BHP/h |
| C. | 0.1886 kg/BHP/h |
| D. | 1.1010 kg/BHP/h |
| Answer» C. 0.1886 kg/BHP/h | |
| 2. |
An I.C. engine consumes high speed diesel oil at the rate of 0.5 kg/h. What is the power of the engine? |
| A. | 6.51 KW |
| B. | 6.48 KW |
| C. | 6.10 KW |
| D. | 6.15 KW |
| Answer» E. | |
| 3. |
Which component is used to supply air under pressure to the cylinders of the engine? |
| A. | Turbocharger |
| B. | Fuel filter |
| C. | Fuel injector |
| D. | Combustion chamber |
| Answer» B. Fuel filter | |
| 4. |
Which component of the carburettor is used to maintain a constant level of fuel in the carburettor? |
| A. | Main jet |
| B. | Compensating jet |
| C. | Float chamber |
| D. | Economiser |
| Answer» D. Economiser | |
| 5. |
What is the range of pressure created at fuel injection pump? |
| A. | 120 kg/cm2-300 kg/cm2 |
| B. | 106 kg/cm2-120 kg/cm2 |
| C. | 106 kg/cm2-300 kg/cm2 |
| D. | 120 kg/cm2-248 kg/cm2 |
| Answer» B. 106 kg/cm2-120 kg/cm2 | |
| 6. |
Which component of the carburettor is used to produce low pressure in the throat of the carburettor? |
| A. | Throttle |
| B. | Main jet |
| C. | Choke |
| D. | Venturi tube |
| Answer» E. | |
| 7. |
What is the formula for A.P.I. degrees used in gravity tests for fuels? |
| A. | A.P.I. degrees = \(\frac{141.5}{specific \, gravity \, of \, oil \, at \, 60°F} \)-131.5 |
| B. | A.P.I. degrees = \(\frac{131.5}{specific \, gravity \, of \, oil \, at \, 60°F} \)-141.5 |
| C. | A.P.I. degrees = \(\frac{Specific \, gravity \, of \, oil \, at \, 60°F}{141.5} \)-131.5 |
| D. | A.P.I. degrees = \(\frac{Specific \, gravity \, of \, oil \, at \, 60°F}{131.5} \)-141.5 |
| Answer» B. A.P.I. degrees = \(\frac{131.5}{specific \, gravity \, of \, oil \, at \, 60°F} \)-141.5 | |
| 8. |
The measure of knock characteristics of a fuel is known as ______ |
| A. | Cetane number |
| B. | Octane number |
| C. | Calorific value |
| D. | Volatility |
| Answer» C. Calorific value | |