Agriculture MCQsPreparation for Agriculture Officer
Agri-MCQs # 16: Agri-Engineering/ Irrigation and Soil Science
Last updated on March 18th, 2021 at 09:03 pm
| 1301 | Detachability of soil particle increases with___________________. a- decreasing median grain size b- increasing median grain size c- both (a- and (b- d- none of above | a | ID |
| 1302 | Iron and Manganese are removed___________. a-Aeration b-chlorination c-filtration d-lime soda treatment | a | SEE |
| 1303 | Smallest Hand Sprayer is_______________. a- Hand Atomizer b- Compression Sprayer c-Knapsack sprayer d- Bucket Sprayer | a | FMP |
| 1304 | The Bernoulli’s theorem is applied for _________________. a- ideal fluid b- incompressible fluid c- steady flow d- all of these | d | ID |
| 1305 | The process of retaining water in a basin so that the suspended particles may settle as a result of the action of gravity is termed as___________. a-Sterilization b-filtration c-chlorination d-sedimentation | d | SEE |
| 1306 | The clearance between rocket arm and valve stem, is called_____________. a-Tappet clearance b- Valve clearance c- Sleeve d- Buffer space | a | FMP |
| 1307 | The anti-dunes develop on beds of alluvial streams, when Froude number is______. a- 0 b- 0.5 c- 1 d- 1.2 | d | ID |
| 1308 | The detention period for water in a sedimentation tank is ___________. a-1-2 hours b-2-4 hours c- 4-8 hours d-8-10 hours | d | SEE |
| 1309 | Which of the following furrow openers is used in seed drills______________. a-Single disc type b-Double disc type c-Runner type d-Hoe, type only | a | FMP |
| 1310 | A barrage is a hydraulic structure provided on__________________. a- deep narrow valleys b- wide, shallow valleys c- rock foundation d- silt and clay and gravel | d | ID |
| 1311 | The chemical name of alum is ___________. a-Aluminum chloride b-Silver nitrate c- aluminum Sulphate d- CoperSulphate | c | SEE |
| 1312 | Knapsack sprayers are suitable for____________. a- Small Trees b- Shrubs c- Row crops d- All Above | d | FMP |
| 1313 | Semi-modular outlet is that the discharge of which__________. a- independent of water level in the distributary b- independent of water level in the watercourse c- independent of water levels both in the distributary or watercourse d- all of the above | b | ID |
| 1314 | Very fine suspended and colloidal impurities are removed by a process called______. a-Softening b- Disinfection c- coagulation d- plain sedimentation | c | SEE |
| 1315 | In I.C. engine, theoretically, the exhaust valve should be opened at________. a-T.D.C. and B.D.C b- B.D.C c- Upward or downward side d- None of the above | a | FMP |
| 1316 | Guide banks are provided to___________________. a- decrease depth of river flow b- confine river width c- reduce flood peak d- maintain minimum depth in the river | b | ID |
| 1317 | Alum is used for the process of ___________. a-Filtration b-Co agulation c- Softening d- Disinfection | b | SEE |
| 1318 | Hoe type furrow opener works well in____________. a-Sandy and loamy soils b-Clayey soils c-Soil covered with trashes d-All above | d | FMP |
| 1319 | While growing crop in high WT areas, open jointed drains, discharging into drains, are sometimes laid below the cropped land to lower down the WT and to rainfall effectively. These drains are called__________________. a- tile drains b- French drains c- gravity outlets d- surface drains | a | ID |
| 1320 | For thorough mixing up coagulant with the water, Violent agitation is done in ______. a-Sedimentation tank b- Clari-flocculator c-Flash mixer d-Pressure filter | c | SEE |
| 1321 | Major component of bronze casting_________________. a- Copper b-Zinc c-Manganese d-Lead | a | FMP |
| 1322 | Which of the following instruments is used for measuring relative humidity? a- barograph b- bimetallic actinography c- hair hygrograph d- pyranometer | c | ID |
| 1323 | The rate of infiltration in a slow sand filter varies in liters/m2/hour___________. a-3000 to 6000 b-60 to 95 c-100 to 200 d-1000 to 2000 | c | SEE |
| 1324 | Generally, in 4-stoke diesel engine, the inlet valve gets opened at_____________. a-5o before T.D.C b- 5o after B.D.C c- 10o after B.D.C d- 5o after T.D.C | a | FMP |
| 1325 | Affinity law-II deals with ______________. a- pumps head b- impeller speed c- impeller diameter d- pump design | c | ID |
| 1326 | The slow sand filter is more efficient in removing bacteria because___________. a-Effective size of sand grain is small b-Uniformity coefficient of sand is small c-water is pretreated d-size of filter is large | a | SEE |
| 1327 | Chisel type furrow opener is seed drill is good for _______________. a-Deep seeding b-Shallow seeding c-Medium seeding d-All above | a | FMP |
| 1328 | Steady flow in an open channel exists when the a- flow is uniform b- depth does not change with time c- channel is frictionless d- channel bed is not curved | b | ID |
| 1329 | The difference between the water level in the filter chamber and the outlet chamber is known as___________. a-Negative head b- pressure head c- Working head d-Static head | b | SEE |
| 1330 | What law of thermodynamics introduced the concept of entropy_____________. a – Zeroth Law b- 1st law (c-2nd Law d-None of the Above | c | FMP |
| 1331 | A network of gully is called as_________________. a- gullied area b- ravine area c- hilly area d- all above | b | ID |
| 1332 | The removal of bacteria is accomplished in slow sand filter by means of a jelly-like substance___________. a-Zoogleal b-Metabolism c-Schmutdecke d-Pskytobolism | a | SEE |
| 1333 | Generally, in 4-stoke diesel engines, the inlet valve gets closed at___________. a-30o before B.D.C b- 5o after B.D.C c- 5o after T.D.C d- 30o after T.D.C | a | FMP |
| 1334 | Theoretical velocity of the jet at vena contracta is___________________. a- (2gh-0.5 b- 2(gh-0.5 c- 2g(h-0.5 d- 2gh | a | ID |
| 1335 | The rate of infiltration in a rapid sand filter in litres/m2/hours is ___________. a-6000 to 15000 b-15000 to 18000 c-3000 to 6000 d- 200 to 3000 | c | SEE |
| 1336 | Rotary type covering devices are used in____________-. a-Planters b-Seed cum fertilizer drills c-Seed drills d-Both (a & c) | d | FMP |
| 1337 | The critical shear stress τ, at which incident motion of sediment takes place, is proportional to______________________. a- d1/2 b- d c-d2 d- none of above where d is grain size | b | ID |
| 1338 | Water is pre treated and post treated in the case of ___________. a-Slow sand filter b-rapid sand filter c-intermittent filter d-double filter | b | SEE |
| 1339 | The value of n, in the equation PVn=C when the process is isothermal____________ a-Zero b-1 c-2 d-Infinity | b | FMP |
| 1340 | The main function of diversion head-works provided at the off take of a canal from a river is____________________. a- to raise water level in the river b- to control floods c- store water d- control silt entry into canal | a | ID |
| 1341 | The influent for rapid sand filter should be treated earlier by ___________. a-Sedimentation with coagulation b- violent agitation c- Aeration d- Chlorination | a | SEE |
| 1342 | Washers are used____________. a-Beneath bolt head b- beneath nut c-To hold two metal pieces d-Both (a & b) | d | FMP |
| 1343 | An APM outlet is__________________. a- orifice b- weir c- meter d- none of them | a | ID |
| 1344 | The type of under drainage system provided in a rapid sand filter is ___________. a-Perforated pipe b- stoneware pipe c- Loose jointed pipe d- None of the three | a | SEE |
| 1345 | Cutting edge of share is called_____________. a-Shin b-Frog c-Gunnel d-Skirt | a | FMP |
| 1346 | Guide banks are provided____________________. a- in pairs b- asymmetrical in plan c- extending u/s and d/s of work d- all of them | d | ID |
| 1347 | Insufficient washing of sand grains in a rapid sand filter causes ___________. a-Air binding b- Mud Balls c- Shrinkage of media d- Expansion of media | d | SEE |
| 1348 | An apparatus used to obtain the volumetric chemical composition of the gaseous By-products of combustion____________. a-Bomb calorimeter b- Or sat analyzer c-Chemical separator d-None of the above | b | FMP |
| 1349 | A tile drain is laid below a cropped land to remove excess irrigation water. The Drainage Coefficient of this drain is usually expressed as____________________. a- cm of water removed from the drainage area per day b- cm of water removed per day c- percentage of applied water, which is intercepted by this drainage d- none of above | a | ID |
| 1350 | Pressure filter is used mostly in ___________. a-Urban water supply scheme b-Rural water supply scheme c- swimming pools d- industrial scheme | d | SEE |
| 1351 | The ability of a heat engine to convert the supplied heat to work is referred to as a-Thermal Efficiency b-Volumetric Efficiency c-Engine Efficiency d- none | a | FMP |
| 1352 | Which of the following instruments is used for measuring radiation heat? a- barograph b- thermograph c- hair hygrograph d- pyranometer | d | ID |
| 1353 | The type of filter which is preferred for treating small quantities of water in railway stations and individual industries is ___________. a-Slow sand filters b- pressure filters c- rapid sand filter d- gravity filters | b | SEE |
| 1354 | During combustion the pressure in the cylinder may increase to as much as______. a- 50 Kg/cm2 b- 400 Kg/cm2 c- 10 Kg/cm2 d- 1 kg/cm2 | a | FMP |
| 1355 | For drainage works following type of pumps is used________________. a- radial flow b- axial flow c- mixed flow d- None of these | b | ID |
| 1356 | In double filtration, the name of the first filter is ___________. a-Roughing filters b- pressure filters c-rapid sand filters d- gravity filters | a | SEE |
| 1357 | The power used in overcoming friction in the engine is called_________. a- FHP b- BHP c- IHP d- None of the Above | a | FMP |
| 1358 | In a steady spatially-varied flow in a prismatic open channel, the_______________. a- depth does not change along the channel length b- discharge is constant along the channel length c- discharge varies along the channel length d- discharge is constant with respect to time | c | ID |
| 1359 | The object of treatment of water is to supply to consumers___________. a-Water free from all bacteria b-Water free from impurities c-Water free from odor and color d-Potable water for daily need | d | SEE |
| 1360 | The process extensively used for making nuts and bolts is__________. a-Hot piercing b- hot spinning c- hot drawing d- Non | c | FMP |
| 1361 | Cohesive force is minimum in___________________. a- sandy soils b- clayey soils c- clay-loam soils d- all above | a | ID |
| 1362 | Circle command can be selected from________________ toolbar a-Modify b- Draw c- Dimension d- none | b | SEE |
| 1363 | Hook’s Law holds up to______. a-Yield point b- elastic limit c- plastic limit d- breaking point | b | FMP |
| 1364 | The relation among coefficients of discharge (Cd-, coefficient of velocity (Cv- and coefficient of contraction (Cc- is_____________________. a- Cd = Cv + Cc b- Cd = Cv – Cc c- Cd = Cv/Cc d- Cd = Cv. Cc | d | ID |
| 1365 | __________________ tool is used to create multiple copies in circular form a-Polar array b- Rectangular array c- Copy d- Mirror | a | SEE |
| 1366 | The ratio of linier stress to linier strain is called as_________. a-Modulus of elasticity b- bulk modulus c- Poisson’s Ratio d- Non | a | FMP |
| 1367 | Manning’s rugosity coefficient is proportional to_____________________. a- d1/2 b- d c- d1/6 d- d2/3 where d is representative grain dia of bed surface | c | ID |
| 1368 | __________________ short key is used to select whole object a-Ctrl + A b- Ctrl + Z c- F7 d- none | a | SEE |
| 1369 | The modulus of elasticity for mild steel is approximately____________ kN/mm2. a-80 b- 100 c- 110 d- 210 | d | FMP |
| 1370 | Fish ladder is provided on the side of___________. a- divide wall b- diaphragm wall c- corewall d- wingwall | a | ID |
| 1371 | Lines will draw perpendicular to each other when __________________ mode is ON a-Osnap b- Ortho c- Polar d- none | b | SEE |
| 1372 | The factor of safety for mild steel is ____________. a-2 b- 4 c- 6 d- 8 | b | FMP |
| 1373 | An open flume outlet is________________. a- orifice b- weir c- meter d- none of them | b | ID |
| 1374 | ____________________ tool is used to remove one portion of intersected lines a-Trim b- Erase c- Fillet d- Cut | a | SEE |
| 1375 | The ratio of the ultimate stress to the design stress is known as_________. Elastic limit b- strain c- factor of safety d- bulk modulus | c | FMP |
| 1376 | Length of guide banks u/s and d/s of the work are____________. a- the same b- more on u/s than in d/s c- less on u/s than in d/s d- as per site conditions | b | ID |
| 1377 | By layer option lies in _______________ toolbar a-Draw b- Modify c- Dimension d- Properties | d | SEE |
| 1378 | The factor of safe for steel and for steady load is__________. a-2 b- 4 c- 6 d- 8 | b | FMP |
| 1379 | The method, which uses furrows on cropped farms for drainage of excess irrigation or rain water, is called_______________. a- surface inlet b- tile drainage c- bedding d- French drain | c | ID |
| 1380 | Copy command can be selected from ___________________ toolbar a-Copy b- Draw c- Modify d- Dimension | c | SEE |
| 1381 | An aluminum member is designed based on____________. yield stress b- elastic limit stress c- proof stress d- ultimate stress | a | FMP |
| 1382 | Which of the following rain gauges cannot be used for recording snow? a- weighing type b- float type c- tipping bucket type d- both a & b | c | ID |
| 1383 | To draw a line of 4 inch at 120o angle, the command prompt sequence will be written as follow_________. a-@4<120 b- 4@<120 c- <120@4 d- 120<4@ | a | SEE |
| 1384 | In a body a thermal stress is one which arises because of the existence of ___________. a-latent heat b- temperature gradient c- total heat d- specific heat | b | FMP |
| 1385 | For drainage works following type of impeller is used_________________. a- open impeller b- closed impeller c- semi-open impeller d- all of these | a | ID |
| 1386 | _______________ tool is used to create similar copy of an object to its opposite side a-Copy b- Array c- Mirror d- Pan | c | SEE |
| 1387 | A localized compressive stress at the area of contact between two members is known ______________. a-tensile stress b- bending stress c- bearing stress d- shear stress | c | FMP |
| 1388 | In a uniform flow in a channel of small bed slope, the hydraulic grade line __________. a-coincides with the bed b- is considerably below the free surface c-is considerably above the free surface d- essentially coincides with the free surface | d | ID |
| 1389 | Shortcut key to ON/OFF ORTHO mode is __________. a-F1 b- F2 c- F3 d- F8 | d | SEE |
| 1390 | The Poisson’s ratio for steel varies from____________. a-0.21 to 0.25 b- 0.25 to 0.33 c- 0.33 to 0.38 d- 0.38 to0.45 | b | FMP |
| 1391 | A soil becomes more resistance to wind erosion at the moisture potential of ________. a- -1.5 MPa b- 1.5 MPa c- 1.0 MPa d- none of above | a | ID |
| 1392 | Scale command lies in _________________ toolbar a-view b- Modify c- Draw d- Visual Style | b | SEE |
| 1393 | The stress in the bar when load is applied suddenly is ________as compared to the stress induce due to gradually applied load. a-Same b- double c- three times d- four times | b | FMP |
| 1394 | The discharge over a rectangular notch is_________________. a- directly proportional to H3/2 b- inversely proportional to H3/2 c- directly proportional to H5/2 d- inversely proportional to H5/2 | a | ID |
| 1395 | _____________________ short key is used to undo previous operation a-Ctrl Z b- Ctrl U c- U d- All | d | SEE |
| 1396 | The energy stored in a body when strained within elastic limit is known as_________. resilience b- proof resilience c- strain energy d- impact energy | c | FMP |
| 1397 | The finer sediment which does not originate from the stream bed, but originate from the catchment area, is best called as the __________________. a- bed load b- suspended load c- wash load d- none of these | c | ID |
| 1398 | Except for 3 point, the Start- End- Direction and the Continuous options, arcs are always drawn by default in a __________ direction a-Counter-clockwise b- clockwise c-both (a & b) d- left to right | a | SEE |
| 1399 | The maximum energy that can be stored in a body due to external loading up to the elastic limit is called__________. a- resilience b- proof resilience c- strain energy d- modulus of resilience | b | FMP |
| 1400 | For a barrage, the exit gradient is independent of _________________. a- applied water head b- horizontal floor length c- u/s cutoff depth d- d/s cutoff depth | c | ID |
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