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. |
What per cent of supplied energy is converted into mechanical work by an IC engine? |
| A. | 10%-20% |
| B. | 30%-40% |
| C. | 50%-60% |
| D. | 70%-80% |
| Answer» C. 50%-60% | |
| 2. |
A six-cylinder engine has 130 mm stroke and 109.4 mm bore. The displacement of the engine at a compression ratio is 17:1 is equal to _________ |
| A. | 5.4 litres |
| B. | 7.32 litres |
| C. | 8.27 litres |
| D. | 6.96 litres |
| Answer» C. 8.27 litres | |
| 3. |
Diameter and stroke length of the piston of a 4 stroke-4-cylinder diesel engine are 10 cm and 12 cm respectively and speed of crank shaft is 2000 rpm. Calculate brake power. |
| A. | 18.90 KW |
| B. | 12.89 KW |
| C. | 12.98 KW |
| D. | 18.98 KW |
| Answer» E. | |
| 4. |
What is the efficiency of compressed charge engine? |
| A. | 40% |
| B. | 20% |
| C. | 30% |
| D. | 10% |
| Answer» D. 10% | |
| 5. |
Which of the following describes the firing interval in a four-stroke engine? |
| A. | F.I. = 720°/Number of cylinders |
| B. | F.I. = 360°/Number of cylinders |
| C. | F.I. = 270°/Number of cylinders |
| D. | F.I. = 180°/Number of cylinders |
| Answer» B. F.I. = 360°/Number of cylinders | |
| 6. |
What is the firing order of a four cylinder engines? |
| A. | 1-3-4-2 |
| B. | 1-4-3-2 |
| C. | 1-2-3-4 |
| D. | 4-3-2-1 |
| Answer» B. 1-4-3-2 | |
| 7. |
What is the compression ratio in SI engine? |
| A. | 6 – 10 |
| B. | 3 – 5 |
| C. | 1 – 2 |
| D. | 11 – 15 |
| Answer» B. 3 – 5 | |
| 8. |
What is the degree of crank rotation during the completion of a four-stroke cycle? |
| A. | 90° |
| B. | 279° |
| C. | 180° |
| D. | 360° |
| Answer» D. 360° | |