McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
| 401. |
The purpose of governor in the engine |
| A. | To increase the engine speed |
| B. | To regulate the engine speed |
| C. | To decrease the engine speed |
| D. | None of these |
| Answer» B. To regulate the engine speed | |
| 402. |
Parboiled rice is inferior in |
| A. | Starch |
| B. | Protein |
| C. | Fat |
| D. | Mineral |
| Answer» B. Protein | |
| 403. |
The capacity of power tiller operated vertical conveyer reaper is |
| A. | 0.15 ha/h |
| B. | 0.25-0.35 ha/h |
| C. | 0.35-0.45 ha/h |
| D. | 0.45-0.60 ha/h |
| Answer» B. 0.25-0.35 ha/h | |
| 404. |
The main drawback of thermo syphon cooling is that |
| A. | Cooling depends on only temperature and independent of engine |
| B. | Cooling depends on engine speed and independent of temperature |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» A. Cooling depends on only temperature and independent of engine | |
| 405. |
The carburetor is main part of |
| A. | Diesel engine |
| B. | Steam engine |
| C. | Petrol engine |
| D. | Gas engine |
| Answer» C. Petrol engine | |
| 406. |
Mineral lubricants are most popular for |
| A. | Simple implements |
| B. | Engines and Machines |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» B. Engines and Machines | |
| 407. |
The position of seepage line is influenced by |
| A. | Permeability of fill materials |
| B. | Permeability of foundation materials |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» C. Both (a) and (b) | |
| 408. |
The variation in viscosity of oil with change in temperature is measured by |
| A. | High viscosity number |
| B. | Viscosity index |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» B. Viscosity index | |
| 409. |
The energy wind is converted into |
| A. | Chemical energy |
| B. | Mechanical energy |
| C. | Electrical energy |
| D. | Biomass energy |
| Answer» B. Mechanical energy | |
| 410. |
Single disc or single plate type clutch is |
| A. | Dry type |
| B. | Wet type |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» A. Dry type | |
| 411. |
Crankcase breather is used for |
| A. | Cleaning the dust particles |
| B. | See the level of oil |
| C. | Removing water vapour from crankcase |
| D. | All are correct |
| Answer» C. Removing water vapour from crankcase | |
| 412. |
Renewable source of energy can be renewed by |
| A. | Chemical process |
| B. | Mechanical process |
| C. | Reproduction process |
| D. | All are correct |
| Answer» D. All are correct | |
| 413. |
Wind velocity varies with |
| A. | Temperature |
| B. | Density of air |
| C. | Viscosity of air |
| D. | All are correct |
| Answer» A. Temperature | |
| 414. |
All speed governors is directly connected with |
| A. | Accelerator pedal |
| B. | Pump control rack |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» C. Both (a) & (b) | |
| 415. |
In multi-blade rotor the number of blades varies from |
| A. | 8?11 |
| B. | 10?16 |
| C. | 12?20 |
| D. | 14?26 |
| Answer» C. 12?20 | |
| 416. |
A coulter attachment is used with |
| A. | Disc harrow |
| B. | Seed drill |
| C. | MB plough |
| D. | Subsoiler |
| Answer» C. MB plough | |
| 417. |
In an engine, the angle between the cylinder axes and the crankshaft centre line is |
| A. | 60? |
| B. | 90? |
| C. | 180? |
| D. | 120? |
| Answer» B. 90? | |
| 418. |
For sowing of wheat seed, a suitable metering mechanism is |
| A. | Cup feed |
| B. | Cell feed |
| C. | Fluted roller |
| D. | Brush feed |
| Answer» C. Fluted roller | |
| 419. |
The number of holes per square inch in a 20-mesh screen will be |
| A. | 20 |
| B. | 400 |
| C. | 800 |
| D. | 1600 |
| Answer» B. 400 | |
| 420. |
Biogas can be used to operate |
| A. | SI engine |
| B. | CI engine |
| C. | Both SI and CI engine |
| D. | Not possible to operate engine |
| Answer» C. Both SI and CI engine | |
| 421. |
In individual pump system, fuel is delivered to injector at a high pressure of |
| A. | 500-1000 Kpa |
| B. | 1000-5000 Kpa |
| C. | 5000-10000 Kpa |
| D. | 10000-20000 Kpa |
| Answer» D. 10000-20000 Kpa | |
| 422. |
A bullock-drawn mower, the power transmitted to the axle is through |
| A. | Transport wheel |
| B. | Star wheel |
| C. | Gauge wheel |
| D. | All are correct |
| Answer» A. Transport wheel | |
| 423. |
A sheet of water, which overflows a weir, is |
| A. | Head |
| B. | Nape |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» B. Nape | |
| 424. |
Main function of fuel injection system is |
| A. | To measure the correct amount of fuel as required by engine speed and load |
| B. | To maintain correct timing for beginning and end of injection |
| C. | To atomize the fuel in the cylinder |
| D. | All are correct |
| Answer» D. All are correct | |
| 425. |
The L-shaped blade of rotary tillers are used for seed bed preparation in |
| A. | Hard and sticky soil |
| B. | Stony and trashy soil |
| C. | Trashy and sandy soil |
| D. | None of these |
| Answer» A. Hard and sticky soil | |
| 426. |
The efficiency of IC engines varies from |
| A. | 25 to 32 per cent |
| B. | 30 to 40 per cent |
| C. | 35 to 40 per cent |
| D. | 32 to 38 per cent |
| Answer» C. 35 to 40 per cent | |
| 427. |
The value of angle of repose for millets is about |
| A. | 15-20 degree |
| B. | 20-25 degree |
| C. | 25-30 degree |
| D. | 30-35 degree |
| Answer» B. 20-25 degree | |
| 428. |
In IC engines the method used for ignition of fuel is |
| A. | Electric sparks |
| B. | Heat of compression |
| C. | Open flame and hot tube |
| D. | All are correct |
| Answer» D. All are correct | |
| 429. |
Terminal velocity of wheat grain is |
| A. | 8-10 m/s |
| B. | 9-11.5 m/s |
| C. | 10-12.5 m/s |
| D. | 10-13 m/s |
| Answer» B. 9-11.5 m/s | |
| 430. |
Supercharger of an engine is driven by |
| A. | Camshaft |
| B. | Crankshaft |
| C. | Exhaust gases |
| D. | Flywheel |
| Answer» B. Crankshaft | |
| 431. |
The thermal efficiency of CI engine is |
| A. | Higher than SI engine |
| B. | Lower than SI engine |
| C. | Equal to SI engine |
| D. | None of these |
| Answer» A. Higher than SI engine | |
| 432. |
Engine is a device, which converts |
| A. | Chemical energy into mechanical |
| B. | Mechanical energy into chemical |
| C. | Chemical energy into electrical energy |
| D. | Mechanical energy into electrical |
| Answer» A. Chemical energy into mechanical | |
| 433. |
In force feed lubrication system pump is driven by |
| A. | Camshaft |
| B. | Crankshaft |
| C. | Both (a) & (b) |
| D. | None of these |
| Answer» A. Camshaft | |
| 434. |
The gas holder used in floating gas type biogas plant is |
| A. | Conical |
| B. | Spherical |
| C. | Inverted drum |
| D. | All are correct |
| Answer» C. Inverted drum | |
| 435. |
The part of seed drill that conveys seed or fertilizer from deliver tube to furrow is |
| A. | Shoe |
| B. | Boot |
| C. | Furrow opener |
| D. | Seed tube |
| Answer» B. Boot | |
| 436. |
ONK-B sprayer duster is used as |
| A. | Spraying of liquid |
| B. | Dusting of dry pesticides |
| C. | Dusting of wet pesticides |
| D. | All are correct |
| Answer» A. Spraying of liquid | |
| 437. |
The threshing cylinder used in groundnut thresher is |
| A. | Spike tooth type |
| B. | Rasp bar type |
| C. | Hammer mill type |
| D. | Angle bar type |
| Answer» A. Spike tooth type | |
| 438. |
The two-stroke engine is |
| A. | Diesel engine |
| B. | Steam engine |
| C. | Petrol engine |
| D. | None of these |
| Answer» C. Petrol engine | |
| 439. |
The combine harvester is a machine designed for |
| A. | Harvesting crop |
| B. | Threshing of harvested crop |
| C. | Separation and cleaning of harvested crop |
| D. | All are correct |
| Answer» D. All are correct | |
| 440. |
In an adiabatic process system |
| A. | Temperture is constant |
| B. | Pressure is constant |
| C. | Heat is constant |
| D. | Volume is constant |
| Answer» C. Heat is constant | |
| 441. |
Direct runoff is made up of |
| A. | Overland flow |
| B. | Surface runoff and prompt inter flow |
| C. | Surface runoff and infiltration |
| D. | Rainfall and evapotranspiration |
| Answer» B. Surface runoff and prompt inter flow | |
| 442. |
Specific speed of pump expresses relationship between |
| A. | Pump speed |
| B. | Pump discharge |
| C. | Total head |
| D. | All are correct |
| Answer» D. All are correct | |
| 443. |
A governor based on the principle that the change of pressure in one part of system produces an opposite change of much greater magnitude in other part is called |
| A. | Centrifugal governor |
| B. | Pneumatic governor |
| C. | Hydraulic governor |
| D. | None of these |
| Answer» C. Hydraulic governor | |
| 444. |
Tidal energy is the |
| A. | Renewable energy |
| B. | Non-renewable energy |
| C. | Exhaustible |
| D. | None of these |
| Answer» A. Renewable energy | |
| 445. |
The downward movement of water through saturated or nearly saturated soil is response to force of gravity is |
| A. | Infiltration |
| B. | Percolation |
| C. | Seepage |
| D. | Inter flow |
| Answer» B. Percolation | |
| 446. |
A cylinder block is normally made of |
| A. | Aluminium |
| B. | Cast iron |
| C. | High carbon steel |
| D. | Mild steel |
| Answer» B. Cast iron | |
| 447. |
The biogas production stops at an atmospheric temperature of |
| A. | 5?C |
| B. | 10?C |
| C. | 14?C |
| D. | 18?C |
| Answer» B. 10?C | |
| 448. |
The ratio of the speed at the tip of rotor to the wind speed is called |
| A. | Wind speed ratio |
| B. | Rotor speed ratio |
| C. | Tip speed ratio |
| D. | All are correct |
| Answer» C. Tip speed ratio | |
| 449. |
The firing order of eight-cylinder engine is |
| A. | 1 ? 5 ? 4 ? 2 ? 6 ? 3 ? 7 ? 8 |
| B. | 1?2?6?3?4?7?5?8 |
| C. | 1?5?3?4?2?7?8 |
| D. | 1?2?4?6?7?3?5?8 |
| Answer» A. 1 ? 5 ? 4 ? 2 ? 6 ? 3 ? 7 ? 8 | |
| 450. |
Centre of resistance of plough lie at a distance of |
| A. | 1/3rd size of plough from share wing |
| B. | 3/4rd size of plough from share wing |
| C. | 1/2 size of plough from share wing |
| D. | All fire correct |
| Answer» B. 3/4rd size of plough from share wing | |
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