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. |
A metal having highest melting point is |
| A. | Aluminium |
| B. | Cast-iron |
| C. | Copper |
| D. | Steel |
| Answer» E. | |
| 2. |
Pressure due to radiator caps |
| A. | Lower the boiling point |
| B. | Raise the boiling point |
| C. | Cools water |
| D. | All are correct |
| Answer» C. Cools water | |
| 3. |
A quantity of gobar gas required to cook one-person meal is |
| A. | 3 kg |
| B. | 5 kg |
| C. | 8 kg |
| D. | 10 kg |
| Answer» C. 8 kg | |
| 4. |
In case of seed production a maximum grain temperature usually recommended is |
| A. | 35?C |
| B. | 43?C |
| C. | 48?C |
| D. | 55?C |
| Answer» C. 48?C | |
| 5. |
Indented cylinder separator separates the grains on the basis of |
| A. | Weight |
| B. | Relative length |
| C. | Length |
| D. | All are correct |
| Answer» C. Length | |
| 6. |
Air injection system is mostly used in |
| A. | Tractor's engines |
| B. | Petrol engines |
| C. | Heavy dusty stationary |
| D. | None of these |
| Answer» D. None of these | |
| 7. |
The calorific value of diesel oil is |
| A. | 9400 Kcal/litre |
| B. | 10,000 Kcal/litre |
| C. | 11,000 Kcal/litre |
| D. | 12,000 Kcal/litre |
| Answer» B. 10,000 Kcal/litre | |
| 8. |
Distance travelled by piston from TDC to BDC is |
| A. | Stroke |
| B. | Bore |
| C. | Piston displacement |
| D. | Piston speed |
| Answer» B. Bore | |
| 9. |
In the air-cooled engines, cylinder normally enclosed in a sheet metal casing is called |
| A. | Cowling |
| B. | Pre-combustion chamber |
| C. | Fins |
| D. | None of these |
| Answer» B. Pre-combustion chamber | |
| 10. |
In water-cooled engines the water pump used |
| A. | Centrifugal type |
| B. | Submersible type |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» B. Submersible type | |
| 11. |
The pushrod is located between |
| A. | Valve and rocker arm |
| B. | Tappet and rocker arm |
| C. | Tappet and camshaft |
| D. | Valve and camshaft |
| Answer» C. Tappet and camshaft | |
| 12. |
The work of crankshaft is to |
| A. | Power the piston |
| B. | Turn the flywheel |
| C. | Operate valves |
| D. | All are correct |
| Answer» C. Operate valves | |
| 13. |
In solid injection system, fuel pump is used for |
| A. | Measure the quantity of fuel |
| B. | Forcing fuel into combustion chamber |
| C. | Metered the fuel |
| D. | All are correct |
| Answer» C. Metered the fuel | |
| 14. |
Vertical interval of bench terrace depends on |
| A. | Land slope |
| B. | Soil depth |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» D. None of these | |
| 15. |
In electrostatic spraying, the volume of liquid per hectare is |
| A. | Less than 1 litre |
| B. | Less than 5 litres |
| C. | Less than 50 50 litres |
| D. | Less than 100 litres |
| Answer» B. Less than 5 litres | |
| 16. |
Speed of spinning disc of sprayer varies from |
| A. | 2000-4000 rpm |
| B. | 2000-6000 rpm |
| C. | 2000-8000 rpm |
| D. | 2000-9000 rpm |
| Answer» E. | |
| 17. |
The removal of few large particles in an initial process is |
| A. | Scalping |
| B. | Cleaning |
| C. | Grading |
| D. | Sorting |
| Answer» B. Cleaning | |
| 18. |
Loss of value of machine with passage of time is |
| A. | Depreciation |
| B. | Interest |
| C. | Hiring cost |
| D. | None of these |
| Answer» B. Interest | |
| 19. |
In hammer mill, the speed of hummer tip ranges from |
| A. | 700-1000 rpm |
| B. | 1000-1800 rpm |
| C. | 1500-4000 rpm |
| D. | 200-6000 rpm |
| Answer» B. 1000-1800 rpm | |
| 20. |
In MB plough, the maximum horizontal clearance between the landside and furrow wall is |
| A. | Horizontal suction |
| B. | Vertical suction |
| C. | Throat clerance |
| D. | All are correct |
| Answer» B. Vertical suction | |
| 21. |
Hydraulic brake works on the principle of |
| A. | Newton's Law |
| B. | Pascal's Law |
| C. | Boyles Law |
| D. | None of these |
| Answer» C. Boyles Law | |
| 22. |
The reel most commonly used in combine now a days is |
| A. | Slat type |
| B. | Pick up type |
| C. | Wooden |
| D. | None of these |
| Answer» C. Wooden | |
| 23. |
The weight of centrifugal governor is to regulate the |
| A. | Fuel control of diesel injection pump |
| B. | Load of engine |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» B. Load of engine | |
| 24. |
The fuel used in EC engines for generation of power is |
| A. | Petrol |
| B. | Diesel |
| C. | Kerosene |
| D. | Steam |
| Answer» E. | |
| 25. |
A cooling system that requires more maintenance is |
| A. | Steam of vapour cooling |
| B. | Water cooling |
| C. | Air cooling |
| D. | None of these |
| Answer» C. Air cooling | |
| 26. |
Evaporating cooling system is used for cooling of |
| A. | Steam engines |
| B. | Aircraft engines |
| C. | Railway engines |
| D. | Industrial engines |
| Answer» E. | |
| 27. |
The drummy type thresher is also termed as |
| A. | Rasp bar type thresher |
| B. | Hammer mill type thresher |
| C. | Spike tooth type thresher |
| D. | Syndicator type thresher |
| Answer» C. Spike tooth type thresher | |
| 28. |
It six-cylinder engine rated at 2200 rpm will generate a fundamental sound frequency of |
| A. | 150 Hz |
| B. | 220 Hz |
| C. | 250 Hz |
| D. | None of these |
| Answer» C. 250 Hz | |
| 29. |
In common rail system fuel is supplied by |
| A. | One pressure line to all injectors |
| B. | Separate pressure line to all injectors |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» B. Separate pressure line to all injectors | |
| 30. |
In rotary type power duster, the dust can be blown at a height of |
| A. | 3 metres |
| B. | 4 metres |
| C. | 5 metres |
| D. | 6 metres |
| Answer» E. | |
| 31. |
The dropping of seeds in furrow lines in continuous flow is |
| A. | Drilling |
| B. | Planting |
| C. | Dibbling |
| D. | Hill dropping |
| Answer» B. Planting | |
| 32. |
An open trench left between two adjacent strips of land alter the plouging is |
| A. | Furrow wall |
| B. | Dead furrow |
| C. | Back furrow |
| D. | Furrow slice |
| Answer» C. Back furrow | |
| 33. |
The capacity of smallest biogas plant is about |
| A. | 1 m3 |
| B. | 2 m3 |
| C. | 6 m3 |
| D. | 12 m3 |
| Answer» C. 6 m3 | |
| 34. |
Heat losses by exhaust gases is about |
| A. | 25 per cent |
| B. | 30 per cent |
| C. | 33 per cent |
| D. | 38 per cent |
| Answer» D. 38 per cent | |
| 35. |
A MB plough whose plough bottom turns through 180? about a longitudinal axis is |
| A. | One-way plough |
| B. | Irreversible plough |
| C. | Turn wrest plough |
| D. | All are correct |
| Answer» D. All are correct | |
| 36. |
Till plant equipment which are used for seed bed are |
| A. | MB plough |
| B. | Sweeps |
| C. | Cultivators |
| D. | Subsoiler |
| Answer» C. Cultivators | |
| 37. |
The use of unit hydrograph for estimating floods is limited to catchments of size less than |
| A. | 500 km2 |
| B. | 1000 km2 |
| C. | 5000 km2 |
| D. | 6000 km2 |
| Answer» D. 6000 km2 | |
| 38. |
In conventional freeze drying, dehydration temperature are kept between |
| A. | 10?C-30?C |
| B. | 30.2?C-65.5?C |
| C. | 35.5?C-75?C |
| D. | 37.8?C-93.3?C |
| Answer» E. | |
| 39. |
The blade assembly of combine is operated at a speed of |
| A. | 1.2-1.5 m/sec |
| B. | 1.2-1.5 m/min |
| C. | 1.5-3 m/sec |
| D. | 1.5-3 m/min |
| Answer» B. 1.2-1.5 m/min | |
| 40. |
A reel of combine helps in |
| A. | Preventing shattering of the crop |
| B. | Allow crop to move uniformly to platform |
| C. | Handle matted crop |
| D. | All are correct |
| Answer» E. | |
| 41. |
The random scattering of seed on the surface of seedbed is |
| A. | Dibbling |
| B. | Broadcasting |
| C. | Hill dropping |
| D. | Check row planting |
| Answer» C. Hill dropping | |
| 42. |
At the wind velocity greater than threshold value, the vibration of particles will be |
| A. | Zero |
| B. | More |
| C. | Slight |
| D. | None of these |
| Answer» B. More | |
| 43. |
An aquifer confined at the bottom but not at the top is called |
| A. | Confined aquifer |
| B. | Semi-confined aquifer |
| C. | Unconfined aquifer |
| D. | Perches aquifer |
| Answer» D. Perches aquifer | |
| 44. |
The compression pressure of petrol engine inside the cylinder varies from |
| A. | 6-10 kg/cm2 |
| B. | 10-15 kg/cm2 |
| C. | 8-12 kg/cm2 |
| D. | 12-15 kg/cm2 |
| Answer» B. 10-15 kg/cm2 | |
| 45. |
Hot pulses are tempered in the tempering bin after each pass for |
| A. | 4 hours |
| B. | 6 hours |
| C. | 48 hours |
| D. | 10 hours |
| Answer» C. 48 hours | |
| 46. |
Radiator core is made of |
| A. | Cast iron |
| B. | Steel |
| C. | Plastic |
| D. | Brass |
| Answer» E. | |
| 47. |
In rubber roller sheller, the clearance between rubber roll is |
| A. | Equal to paddy thickness |
| B. | Smaller than paddy thickness |
| C. | Greater than paddy thickness |
| D. | None of these |
| Answer» C. Greater than paddy thickness | |
| 48. |
Knapsack sprayer is suitable for |
| A. | Brushes |
| B. | Small trees |
| C. | Row crop |
| D. | All are correct |
| Answer» E. | |
| 49. |
Geologic erosion is also called as |
| A. | Normal erosion |
| B. | Natural erosion |
| C. | Chemical erosion |
| D. | Both (b) & (c) |
| Answer» E. | |
| 50. |
The coupling joining two shafts out of alignment is |
| A. | Flanged coupling |
| B. | Universal coupling |
| C. | Oldham coupling |
| D. | Flexible coupling |
| Answer» E. | |