McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
| 451. |
Downstream section of straight drop spillway is called as |
| A. | Apron |
| B. | Stilling basin |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» C. Both (a) & (b) | |
| 452. |
In thin layer drying, the depth of grain layer should be |
| A. | 20 cm |
| B. | Less than 20 cm |
| C. | More than 20 cm |
| D. | None of these |
| Answer» B. Less than 20 cm | |
| 453. |
The term harvesting is associated with |
| A. | Cutting of crop |
| B. | Picking of pods |
| C. | Plucking and digging |
| D. | All are correct |
| Answer» D. All are correct | |
| 454. |
A long mould board with gentle curvature used in tough soil full of grasses is |
| A. | Stubble type MB |
| B. | Breaker type MB |
| C. | Slat type MB |
| D. | General purpose |
| Answer» B. Breaker type MB | |
| 455. |
The threshing of crop by stripping is done with the help of |
| A. | Hooves of animal |
| B. | Peg/hoop of threshing |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» C. Both (a) & (b) | |
| 456. |
Bench terracing is also called as |
| A. | Hill farming |
| B. | Staircase farming |
| C. | Erosion control farming |
| D. | None of these |
| Answer» B. Staircase farming | |
| 457. |
The stubble type of mould board is mostly suitable for |
| A. | Grassy land |
| B. | Tough soil |
| C. | Sticky soil |
| D. | None of these |
| Answer» A. Grassy land | |
| 458. |
The depth measured at the centre of the disc by placing its concave side down on a flat surface is |
| A. | Convexity |
| B. | Concavity |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» B. Concavity | |
| 459. |
Constant speed engine is used in |
| A. | Tractor |
| B. | Power tiller |
| C. | Motor car |
| D. | Electric generator |
| Answer» D. Electric generator | |
| 460. |
The seed tubes are made of |
| A. | Rubber |
| B. | Plastic |
| C. | Mild steel |
| D. | All are correct |
| Answer» D. All are correct | |
| 461. |
Drying temperature for using batch-bin dyers is |
| A. | 55?C |
| B. | 60?C |
| C. | 65?C |
| D. | 70?C |
| Answer» B. 60?C | |
| 462. |
Chemically correct air mixture ratio for Otto cycle engine is |
| A. | 12;1 |
| B. | 14;1 |
| C. | 15;1 |
| D. | 20;1 |
| Answer» C. 15;1 | |
| 463. |
The rate of doing work is equal to |
| A. | 75 kg n/min |
| B. | 4500 kg m/min |
| C. | 27000 kg m/hr |
| D. | All are correct |
| Answer» D. All are correct | |
| 464. |
A point at which the resultant of all horizontal and vertical forces acts is |
| A. | Centre of gravity |
| B. | Centre of resistance |
| C. | Centre of pull |
| D. | Line of pull |
| Answer» B. Centre of resistance | |
| 465. |
Ratio of net pull produced for the dynamic normal load on traction device is called |
| A. | Tractive force |
| B. | Traction constant |
| C. | Net traction coefficient |
| D. | All are correct |
| Answer» C. Net traction coefficient | |
| 466. |
Air injection pumps are mostly used in |
| A. | Tractor engine |
| B. | Railway engine |
| C. | Aircraft engine |
| D. | Heavy duty stationary engine |
| Answer» D. Heavy duty stationary engine | |
| 467. |
The viscosity of oil denoted by a number is |
| A. | Cetane number |
| B. | Octane number |
| C. | SAE number |
| D. | None of these |
| Answer» C. SAE number | |
| 468. |
Gears are generally made of |
| A. | Cast iron |
| B. | High crabon steel |
| C. | Aluminium alloy |
| D. | Alloy steel |
| Answer» D. Alloy steel | |
| 469. |
The purpose of harrowing is to |
| A. | Pulverize soil |
| B. | Destroy weeds |
| C. | Break clods |
| D. | All are correct |
| Answer» D. All are correct | |
| 470. |
The solar cells used in solar panel are used to convert solar energy into |
| A. | Chemical energy |
| B. | Mechanical energy |
| C. | Electrical energy |
| D. | None of these |
| Answer» C. Electrical energy | |
| 471. |
The thermal efficiency of diesel engine varies between |
| A. | 25 and 32 per cent |
| B. | 32 and 38 per cent |
| C. | 32 and 40 per cent |
| D. | 40 and 45 per cent |
| Answer» B. 32 and 38 per cent | |
| 472. |
The press wheel used for compaction of soil around the seeds in high moisture conditions are |
| A. | Open centre wheel |
| B. | Solid steel narrow wheel |
| C. | Hallow steel narrow wheel |
| D. | None of these |
| Answer» A. Open centre wheel | |
| 473. |
In wind erosion movement of particle is carried out by |
| A. | Saltation and surface creep |
| B. | Suspension |
| C. | Saltation, suspension and surface creep |
| D. | None of these |
| Answer» C. Saltation, suspension and surface creep | |
| 474. |
Ratio of total force output of the traction device in direction of travel to dynamic weight on traction device is |
| A. | Tractive efficiency |
| B. | Coefficient of traction |
| C. | Coefficient of rolling resistance |
| D. | Wheel slip |
| Answer» B. Coefficient of traction | |
| 475. |
A disadvantage of air-cooling system is |
| A. | Uneven cooling of engine parts |
| B. | Engine temperature is high |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» C. Both (a) & (b) | |
| 476. |
Surface creep is carried out by the action of |
| A. | Rolling and jumping |
| B. | Rolling or sliding |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» B. Rolling or sliding | |
| 477. |
The mowers are designed to cut |
| A. | Wheat |
| B. | Paddy |
| C. | Mustard |
| D. | Grasses |
| Answer» A. Wheat | |
| 478. |
The major controlling factor in separation of grain by fluidized bed separator is |
| A. | Air velocity and weight of grain |
| B. | Shape and size of grain |
| C. | Shape and texture of grain |
| D. | Magnetic and arodynamic properties of grain |
| Answer» A. Air velocity and weight of grain | |
| 479. |
Suitable lubricant for 2-stroke engines is |
| A. | Crude petroleum lubricant |
| B. | Vegetable lubricant |
| C. | Mineral lubricant |
| D. | None of these |
| Answer» C. Mineral lubricant | |
| 480. |
The work timing gear is to |
| A. | Control the ignition timing |
| B. | Control the fuel injection timing |
| C. | Control the timing of opening and closing of valves |
| D. | All are correct |
| Answer» D. All are correct | |
| 481. |
The six-cylinder engine with possible number of firing orders is |
| A. | 6 |
| B. | 4 |
| C. | 3 |
| D. | 2 |
| Answer» B. 4 | |
| 482. |
A machine used to cut crops and deliver them in a uniform manner in a row is |
| A. | Combine |
| B. | Mower |
| C. | Reaper binder |
| D. | Windrower |
| Answer» D. Windrower | |
| 483. |
The percentage of healthy grain obtained from all outlets with respect to healthy grains received from main outlet by weight is |
| A. | Blower loss |
| B. | Sieve loss |
| C. | Cylinder |
| D. | Visible loss |
| Answer» B. Sieve loss | |
| 484. |
The volume of water discharged per unit time is |
| A. | Drawdown |
| B. | Well yield |
| C. | Specific capacity |
| D. | All are correct |
| Answer» B. Well yield | |
| 485. |
Leakage factor is the property of |
| A. | Confined aquifer |
| B. | Semi-confined aquifer |
| C. | Unconfined aquifer |
| D. | All are correct |
| Answer» B. Semi-confined aquifer | |
| 486. |
The solar radiation received directly from the sun is |
| A. | Beam radiation |
| B. | Scattered radiation |
| C. | Diffuse radiation |
| D. | Reflected radiation |
| Answer» A. Beam radiation | |
| 487. |
The particle size of silt according to USWA is |
| A. | >0.002 mm |
| B. | <0.002 mm |
| C. | 0.002 to 0.05 mm |
| D. | 0.25 to 0.5 mm |
| Answer» C. 0.002 to 0.05 mm | |
| 488. |
When the soil moisture and rainfall are inadequate during the growing season to support healthy crop growth to maturity is called |
| A. | Metrological drought |
| B. | Hydrological drought |
| C. | Agricultural drought |
| D. | None of these |
| Answer» C. Agricultural drought | |
| 489. |
In dry milling process, the following operations are done prior to oil treatment is |
| A. | Conditioning |
| B. | Pitting |
| C. | Polishing |
| D. | Grading |
| Answer» B. Pitting | |
| 490. |
The lines on a map through places having equal depth of evapotranspiration is called |
| A. | Isohyets |
| B. | Isobar |
| C. | Isopleths |
| D. | None of these |
| Answer» C. Isopleths | |
| 491. |
In the cylinder sorter, the inclination of cylinder for dry granular material is kept up to |
| A. | 75 mm/mb |
| B. | 100 mm/m |
| C. | 125 mm/m |
| D. | 150 mm/m |
| Answer» C. 125 mm/m | |
| 492. |
In diesel engines, fuel injected in the cylinder is through |
| A. | Carburetor |
| B. | Fuel injection pump |
| C. | Fuel injector |
| D. | All are correct |
| Answer» C. Fuel injector | |
| 493. |
The size of seed drill expressed by |
| A. | Length and width of machine |
| B. | Area covered per unit time |
| C. | Number of furrow opener x spacing between two furrow openers |
| D. | All are correct |
| Answer» C. Number of furrow opener x spacing between two furrow openers | |
| 494. |
The ratio of reel peripheral speed to forwards speed of combine is termed as |
| A. | Reel velocity |
| B. | Reel index |
| C. | Reel diameter |
| D. | Reel speed |
| Answer» B. Reel index | |
| 495. |
The sequence of gears and shafts through which the engine power transmitted to tractor wheel is called |
| A. | Gear system |
| B. | Transmission |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» B. Transmission | |
| 496. |
Kinetic energy of raindrop depends on |
| A. | Terminal velocity of raindrop |
| B. | Drop diameter |
| C. | Rainfall intensity and time in chronological order |
| D. | All are correct |
| Answer» D. All are correct | |
| 497. |
Volumetric efficiency of air-cooled engines in comparison to water-cooled engines is |
| A. | Higher |
| B. | Lower |
| C. | Equal |
| D. | None of these |
| Answer» B. Lower | |
| 498. |
In anaerobic digestion, biogas production by bacterial decomposition is |
| A. | Presence of oxygen |
| B. | Absence of oxygen |
| C. | Presence of CO2 |
| D. | Absence of CO2 |
| Answer» B. Absence of oxygen | |
| 499. |
Traction coefficient is maximum in a field when |
| A. | It is dry |
| B. | It is cultivated |
| C. | It is irrigated |
| D. | All are correct |
| Answer» A. It is dry | |
| 500. |
The pressure of water in confined aquifer is |
| A. | Above atmospheric pressure |
| B. | At atmospheric pressure |
| C. | Below atmospheric pressure |
| D. | All are correct |
| Answer» A. Above atmospheric pressure | |
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