MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Cetane number for commercial diesel fuel varies from |
| A. | 20-40 |
| B. | 30-60 |
| C. | 60-90 |
| D. | 90-100 |
| Answer» C. 60-90 | |
| 2. |
A type of share provided with adjustable bar is |
| A. | Slip nose share |
| B. | Bar point share |
| C. | Shin shared |
| D. | Slip share |
| Answer» C. Shin shared | |
| 3. |
For petrol engine, the maximum power obtained from one kg of fuel is |
| A. | 10.5-13.8 kg |
| B. | 11-15 kg |
| C. | 12-16 kg |
| D. | 15-20 kg |
| Answer» B. 11-15 kg | |
| 4. |
Crown wheel is a part of |
| A. | Clutch system |
| B. | Steering system |
| C. | Differential system |
| D. | Cooling system |
| Answer» D. Cooling system | |
| 5. |
Power train indicates |
| A. | PTO drive |
| B. | Injection system |
| C. | Complete power transmission path |
| D. | Reduction unit |
| Answer» D. Reduction unit | |
| 6. |
An implement that pulled and guided by single hitch point of a tractor is |
| A. | Trailed implement |
| B. | Mounted implement |
| C. | Semi mounted implements |
| D. | All are correct |
| Answer» B. Mounted implement | |
| 7. |
A type of valve used in hydraulic system is |
| A. | Control valve |
| B. | Relief valve |
| C. | Priority valve |
| D. | All are correct |
| Answer» E. | |
| 8. |
The use of reflector in solar heating devices is to |
| A. | Increase efficiency |
| B. | Decrease efficiency |
| C. | Create greenhouse effect |
| D. | None of these |
| Answer» B. Decrease efficiency | |
| 9. |
Disgester diameter of biogas plants ranges from |
| A. | 1-3 metres |
| B. | 1.2-4 metres |
| C. | 1.1-6 metres |
| D. | 1.6-8 metres |
| Answer» D. 1.6-8 metres | |
| 10. |
In disc plough, the penetration of disc improves but width of cut reduces due to |
| A. | Increasing tilt angle |
| B. | Reducing tilt angle |
| C. | Increasing disc angle |
| D. | Reducing disc angle |
| Answer» D. Reducing disc angle | |
| 11. |
Advantages of swinging drawbar is |
| A. | Taking short turns |
| B. | Reduces side draft |
| C. | Leaves only small area uncovered on croners of field |
| D. | All are correct |
| Answer» E. | |
| 12. |
The gasket sealing is the most difficult problem at |
| A. | Head |
| B. | Oil pan |
| C. | Intake manifold |
| D. | Timing cover |
| Answer» B. Oil pan | |
| 13. |
Detached particles are transported by the mechanism of |
| A. | Displacement caused by physical impact |
| B. | Entrainment caused by overland flow |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» D. None of these | |
| 14. |
The speed of high-speed engine |
| A. | Less than 350 rpm |
| B. | Between 350 rpm and 1000 rpm |
| C. | Less than 1000 rpm |
| D. | More than 1000 rpm |
| Answer» E. | |
| 15. |
For harvesting of agricultural crops most widely used element action is |
| A. | Single element scissors action |
| B. | Two element scissors action |
| C. | Single element impact action |
| D. | Two element impact action |
| Answer» C. Single element impact action | |
| 16. |
A bearing used in belt conveyor is |
| A. | Friction |
| B. | Antifriction |
| C. | Bush |
| D. | Ball |
| Answer» C. Bush | |
| 17. |
The (dismeter) of disc used in Olpad thresher for threshing is |
| A. | 30 cm |
| B. | 35 cm |
| C. | 40 cm |
| D. | 45 cm |
| Answer» E. | |
| 18. |
In batch type or the maximum drying air temperature is |
| A. | 30?C |
| B. | 35?C |
| C. | 40?C |
| D. | 45?C |
| Answer» E. | |
| 19. |
If the viscosity of fluid is high then flow will be |
| A. | Rapidly |
| B. | Slowly |
| C. | Irregular |
| D. | All are correct |
| Answer» C. Irregular | |
| 20. |
The capillary water is held between tensions of about |
| A. | 15 atm |
| B. | 31 atm |
| C. | More than 31 atm |
| D. | None of these |
| Answer» C. More than 31 atm | |
| 21. |
A geological formation through which only seepage is possible is called |
| A. | Aquifuge |
| B. | Aquitard |
| C. | Aquiclude |
| D. | Perches aquifer |
| Answer» C. Aquiclude | |
| 22. |
Multiple disc type clutches are mostly used in |
| A. | General purpose tractor |
| B. | Crawler tractor |
| C. | Power tillers |
| D. | None of these |
| Answer» C. Power tillers | |
| 23. |
The storage life of non-perishable fruits exceed by |
| A. | 8 weeks |
| B. | 10 weeks |
| C. | 12 weeks |
| D. | 14 weeks |
| Answer» D. 14 weeks | |
| 24. |
Ignition delay of low-speed engine |
| A. | 0.01 second |
| B. | 0.002 second |
| C. | 0.003 second |
| D. | 0.004 second |
| Answer» C. 0.003 second | |
| 25. |
The size of most common type burr grinder is |
| A. | 10 cm diameter |
| B. | 30 cm diameter |
| C. | 40 cm diameter |
| D. | 55 cm diameter |
| Answer» C. 40 cm diameter | |
| 26. |
A hrrow whose tynes swing back when obstacle encountered is |
| A. | Spike tooth harrow |
| B. | Spring tyne harrow |
| C. | Patela harrow |
| D. | Triangular harrow |
| Answer» C. Patela harrow | |
| 27. |
The work of accumulator is |
| A. | To develop high pressure |
| B. | To keep constant pressure |
| C. | To develop low pressure |
| D. | To metered fuel |
| Answer» C. To develop low pressure | |
| 28. |
Power tiller operates most satisfactorily with |
| A. | Rotary tools |
| B. | Ploughs |
| C. | Transport wheel |
| D. | Harrows |
| Answer» B. Ploughs | |
| 29. |
An implement that fully supported by the tractor is |
| A. | Trailed implement |
| B. | Mounted implement |
| C. | Semi mounted implements |
| D. | All are correct |
| Answer» C. Semi mounted implements | |
| 30. |
The gas holder used in floating gas type biogas plant is |
| A. | Conical |
| B. | Spherical |
| C. | Inverted drum |
| D. | All are correct |
| Answer» D. All are correct | |
| 31. |
In hydraulic press ghani, the percent oil loss (left in cake) is |
| A. | 3-6% |
| B. | 7-8% |
| C. | 8-10% |
| D. | 10-11% |
| Answer» C. 8-10% | |
| 32. |
In a 30 days of retention period, the production of gas/kg of fresh dung is |
| A. | 0.04 m3 |
| B. | 0.05 m3 |
| C. | 0.06 m3 |
| D. | 0.08 m3 |
| Answer» D. 0.08 m3 | |
| 33. |
A contracted trapezoidal weir in which each side of the notch has a slope of horizontal 1 to 4 vertical is |
| A. | Trapezoidal weir |
| B. | Cipoletti weir |
| C. | Rectangular weir |
| D. | V-notch |
| Answer» C. Rectangular weir | |
| 34. |
The boiling temperature of water in the radiator is raised to about |
| A. | 90?C |
| B. | 100?C |
| C. | 110?C |
| D. | 120?C |
| Answer» D. 120?C | |
| 35. |
The production of gas from one kilogram of wet dung in biogas plant is |
| A. | 0.037 m3 |
| B. | 0.085 m3 |
| C. | 1.0 m3 |
| D. | 1.5 m3 |
| Answer» B. 0.085 m3 | |
| 36. |
Revolution of an engine (engine speed) is measured by |
| A. | Tachometer |
| B. | Spring Dynamometer |
| C. | Eddy current dynamometer |
| D. | All are correct |
| Answer» B. Spring Dynamometer | |
| 37. |
The clearance volume is the volume of air or mixture left in the cylinder when piston is at |
| A. | BDC |
| B. | TDC |
| C. | Between TDC and BDC |
| D. | All are correct |
| Answer» C. Between TDC and BDC | |
| 38. |
In constant mesh transmission system, the gear used to control the noise is |
| A. | Spur gear |
| B. | Bevel gear |
| C. | Helical gear |
| D. | Spiral gear |
| Answer» D. Spiral gear | |
| 39. |
Control of gully erosion can be achieved by sue of |
| A. | Spurs |
| B. | Wooden plank dams |
| C. | Retaining wall |
| D. | None of these |
| Answer» E. | |
| 40. |
The specific heat of diesel is nearly |
| A. | 1.5 KJ/Kg?C |
| B. | 1.9 KJ/Kg?C |
| C. | 2.0 KJ/Kg?C |
| D. | All are correct |
| Answer» C. 2.0 KJ/Kg?C | |
| 41. |
Nozzle spacing on boom is governed by |
| A. | Height of crop |
| B. | Density of crop |
| C. | Type of spray |
| D. | All are correct |
| Answer» E. | |
| 42. |
When brake is applied the kinetic energy of body is converted into |
| A. | Electrical energy |
| B. | Heat energy |
| C. | Chemical energy |
| D. | Mechanical energy |
| Answer» C. Chemical energy | |
| 43. |
The IHP of an engine is always |
| A. | Less than BHP |
| B. | More than BHP |
| C. | Equal to the BHP |
| D. | Equal to the FHP |
| Answer» C. Equal to the BHP | |
| 44. |
Kinetic energy of raindrop depends on |
| A. | Drop size |
| B. | Terminal velocity |
| C. | Particle size |
| D. | Both (b) & (c) |
| Answer» E. | |
| 45. |
The hand operated compressed air sprayer utilizing the pressure from |
| A. | 1.4-4.0 kg/cm2 |
| B. | 1.75-5.0 kg/cm2 |
| C. | 1.0-6.0 kg/cm2 |
| D. | 2.5-7.5 kg/cm2 |
| Answer» C. 1.0-6.0 kg/cm2 | |
| 46. |
Essential feature of good clutch is |
| A. | Ability to taking load without dragging and chattering |
| B. | Capacity to transmit maximum load without slipping |
| C. | High resistant to friction and easy control by hand or pedal lever |
| D. | All are correct |
| Answer» E. | |
| 47. |
Oil filters are made of |
| A. | Cloth |
| B. | Paper |
| C. | Felt or wire screen |
| D. | All are correct |
| Answer» E. | |
| 48. |
The process of removal of burnt gases from the engine cylinder is |
| A. | Scavenging |
| B. | Detonation |
| C. | Knocking |
| D. | Burning |
| Answer» B. Detonation | |
| 49. |
Diesel engine is |
| A. | Compression ignition engine |
| B. | Spark ignition engine |
| C. | External combustion engine |
| D. | None of these |
| Answer» B. Spark ignition engine | |
| 50. |
Spline shafts are used when the torque transmission is in |
| A. | Small amount |
| B. | Large amount |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» C. Both (a) & (b) | |