MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
The clearance between rocker arm and valve stem that enables the valves to sit properly is known as _____________ |
| A. | Valve lifter guide |
| B. | Valve stem guide |
| C. | Cam gear |
| D. | Tappet clearance |
| Answer» E. | |
| 2. |
What is the net-work for the following cyclic process?+14.7 KJ, -25.2 KJ, -3.56 KJ, +31.5 KJ |
| A. | 19.35 KJ |
| B. | 12.09 KJ |
| C. | 17.44 KJ |
| D. | 10.35 KJ |
| Answer» D. 10.35 KJ | |
| 3. |
What is the regulation of speed when speed at no load of engine is 1973 rpm and speed at load is 1873 rpm? |
| A. | 5.20% |
| B. | 4.80% |
| C. | 5.12% |
| D. | 4.56% |
| Answer» B. 4.80% | |
| 4. |
Who created the first modern internal combustion engine in 1876? |
| A. | Etienne Lenoir |
| B. | Nikolaus Otto |
| C. | John Barber |
| D. | John Stevens |
| Answer» C. John Barber | |
| 5. |
What is the correct sequence of strokes in four stroke cycle engines? |
| A. | Compression, Suction, Exhaust, Power |
| B. | Power, Suction, Exhaust, Compression |
| C. | Suction, Compression, Power, Exhaust |
| D. | Suction, Power, Compression, Exhaust |
| Answer» D. Suction, Power, Compression, Exhaust | |
| 6. |
Who found the working principle of compression ignition engine in 1982? |
| A. | Rudolf Diesel |
| B. | Johannes Gutenberg |
| C. | Otto von Guericke |
| D. | Edwin Beard Budding |
| Answer» B. Johannes Gutenberg | |
| 7. |
A four-cylinder tractor engine develops 50 KW at 3000 engines when tested on a prony dynamometer on brake arm length of 96 cm. What is the torque? |
| A. | 190.98 Nm |
| B. | 159.15 Nm |
| C. | 186.49 Nm |
| D. | 155.28 Nm |
| Answer» C. 186.49 Nm | |
| 8. |
The ratio of the actual weight of air induced by the engine in the intake stroke to the theoretical weight of air that should have been induced due to piston displacement at intake temperature and pressure is known as ___________ |
| A. | Efficiency ratio |
| B. | Volumetric efficiency |
| C. | Mechanical efficiency |
| D. | Indicated thermal efficiency |
| Answer» C. Mechanical efficiency | |
| 9. |
The end of the connecting rod which fits over the gudgeon pin is known as __________ connecting rod. |
| A. | Small end |
| B. | Big end |
| C. | Piston |
| D. | Cylinder block |
| Answer» B. Big end | |
| 10. |
Whenever a system undergoes a cyclic change, the algebraic sum of work transfer is proportional to the algebraic sum of heat transfer as work and heat are mutually convertible. Which law of thermodynamics suggests this? |
| A. | Zeroth law of thermodynamics |
| B. | Second law of thermodynamics |
| C. | Third law of thermodynamics |
| D. | First law of thermodynamics |
| Answer» E. | |
| 11. |
If a diesel engine has a compression ratio of 24 and the cut-off takes place at 5% of stroke, the air standard efficiency will be ___________ |
| A. | 60.66% |
| B. | 64.50% |
| C. | 66.60% |
| D. | 65.40% |
| Answer» D. 65.40% | |