Agricultural Mechanization, Farm Power and Implements MCQs 2026
90 questions with detailed answers · 15 from past papers · 9 quiz batches available
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- Q1 medium
Field efficiency accounts for losses due to turning, overlap and
💡 Explanation:Field efficiency compares effective field capacity with theoretical capacity after real-world losses.
- Q2 medium
Preventive maintenance means
💡 Explanation:Preventive service reduces downtime by addressing wear and adjustments before failure.
- Q3 medium
A rollover protective structure on a tractor is meant to
💡 Explanation:ROPS provides a protective zone for the operator if a tractor rolls over.
- Q4 medium
The clutch in a tractor is used to
💡 Explanation:A clutch allows smooth connection or interruption of power flow from engine to gearbox.
- Q5 medium
The gearbox in a tractor mainly
💡 Explanation:Different gear ratios provide suitable travel speeds and pulling torque.
- Q6 medium
A differential in the tractor drive system allows
💡 Explanation:The outside wheel travels farther on a turn, so the differential permits different wheel speeds.
- Q7 medium
A seed-cum-fertilizer drill is designed to
💡 Explanation:It meters seed and fertilizer separately and places them at suitable depth or spacing.
- Q8 medium
A belt-and-pulley drive in farm machinery is used to
💡 Explanation:Belts transfer rotary power between shafts through pulleys.
- Q9 medium
One major benefit of farm mechanization is
💡 Explanation:Appropriate mechanization reduces labor drudgery and helps complete time-sensitive operations.
- Q10 medium
Theoretical field capacity in hectares per hour is commonly calculated from width in metres and speed in km per hour as
💡 Explanation:The formula TFC = width(m) x speed(km/h) / 10 gives hectares per hour.
- Q11 medium
Agricultural mechanization means the use of tools, machines and power to
💡 Explanation:Mechanization applies appropriate power and equipment to perform farm operations efficiently and on time.
- Q12 medium
A common classification of farm power sources includes human, animal, mechanical, electrical and
💡 Explanation:Farm power may come from muscle, engines, electricity and renewable sources such as solar or wind.
- Q13 medium
The power take-off shaft of a tractor is used to
💡 Explanation:The PTO supplies rotary power from the tractor to machines such as mowers, balers and pumps.
- Q14 medium
Drawbar horsepower is the power available for
💡 Explanation:Drawbar power is the useful pulling power delivered through the tractor drawbar.
- Q15 medium
Primary tillage is performed mainly to
💡 Explanation:Primary tillage is the first major soil-working operation, usually deeper than secondary tillage.
- Q16 medium
A mouldboard plough is best known for
💡 Explanation:The mouldboard lifts, turns and pulverizes the furrow slice.
- Q17 medium
A disc plough is preferred over a mouldboard plough where soil is
💡 Explanation:Disc ploughs penetrate and roll better in difficult or trashy soil conditions.
- Q18 medium
A cultivator is commonly used for
💡 Explanation:Cultivators loosen soil between rows and uproot young weeds.
- Q19 medium
The main advantage of a seed drill is that it
💡 Explanation:Seed drills improve placement, seed rate control and crop stand uniformity.
- Q20 medium
A precision planter is used mainly to
💡 Explanation:Planters are designed for row crops where accurate seed spacing is important.
- Q21 medium
Sprayer calibration is necessary to ensure
💡 Explanation:Calibration matches nozzle output, speed and pressure to the recommended dose.
- Q22 medium
A knapsack sprayer is normally carried
💡 Explanation:The knapsack sprayer is a portable sprayer worn on the back for small-area application.
- Q23 medium
A combine harvester performs cutting, threshing and
💡 Explanation:A combine combines several harvesting operations in one machine.
- Q24 medium
The basic function of a thresher is to
💡 Explanation:Threshers separate grain or seed from straw, husk and heads.
- Q25 medium
A rotavator pulverizes soil mainly through
💡 Explanation:Rotary tillers use rotating blades to cut and mix the soil.
- Q26 medium
A harrow is commonly used after ploughing to
💡 Explanation:Harrowing refines the seedbed by breaking clods and smoothing soil.
- Q27 medium
Tractor stability is improved by a low center of gravity and
💡 Explanation:A wider track and low center of gravity reduce overturning risk.
- Q28 medium
The four strokes of a four-stroke diesel engine are suction, compression, power and
💡 Explanation:Exhaust is the stroke in which burnt gases are expelled from the cylinder.
- Q29 medium
The fuel injection pump in a diesel engine
💡 Explanation:Diesel engines require high-pressure, accurately timed fuel injection.
- Q30 medium
Lubrication in farm machinery is done mainly to
💡 Explanation:Lubricants form a film that reduces wear and heat generation.
- Q31 medium
The cooling system of a tractor engine removes
💡 Explanation:Cooling prevents overheating and maintains suitable engine operating temperature.
- Q32 medium
A three-point hitch is used to
💡 Explanation:The three-point linkage connects mounted implements and enables depth or position control.
- Q33 medium
The hydraulic system on a tractor is mainly used to
💡 Explanation:Hydraulics provide controlled lifting and positioning of attached implements.
- Q34 medium
Adding proper ballast to a tractor helps to
💡 Explanation:Correct ballast increases effective traction without excessive slip.
- Q35 medium
Wheel slip in tractor operation causes
💡 Explanation:Excessive slip wastes engine power, fuel and time.
- Q36 medium
Correct tyre inflation in tractors affects traction and
💡 Explanation:Tyre pressure influences contact area, traction, wear and compaction.
- Q37 medium
A zero-till drill is designed to sow seed
💡 Explanation:Zero-till drills place seed into untilled or minimally disturbed soil.
- Q38 medium
Laser land leveling improves irrigation mainly by
💡 Explanation:Laser leveling creates a precise grade, reducing water losses and uneven application.
- Q39 medium
A reaper is used primarily to
💡 Explanation:Reapers cut standing crops and usually lay them in rows or bundles.
- Q40 medium
A happy seeder is useful because it can sow wheat
💡 Explanation:Happy seeders allow wheat sowing while managing rice residue without burning.
- Q41 medium
A rice transplanter is used to
💡 Explanation:Rice transplanters mechanically place seedlings in rows at regular spacing.
- Q42 medium
An axial-flow pump is generally suitable where the requirement is
💡 Explanation:Axial-flow pumps move large volumes of water against relatively low lift.
- Q43 medium
A centrifugal pump works by converting rotational energy into
💡 Explanation:The impeller imparts velocity to water, which is converted into pressure and flow.
- Q44 medium
A chisel plough is mainly used for
💡 Explanation:Chisel ploughs loosen deeper layers while leaving more residue near the surface.
- Q45 medium
A subsoiler is used to
💡 Explanation:Subsoilers fracture compacted layers that restrict roots and infiltration.
- Q46 medium
A leveling blade or land plane is used mainly for
💡 Explanation:These implements redistribute soil to create a smoother field surface.
- Q47 medium
In a sprayer, nozzle type strongly affects
💡 Explanation:Nozzles determine discharge, droplet spectrum and coverage pattern.
- Q48 medium
A boom sprayer is preferred for field crops because it
💡 Explanation:The boom carries multiple nozzles at fixed spacing for uniform field coverage.
- Q49 medium
Combine harvester losses are commonly grouped as header, threshing and
💡 Explanation:Loss assessment divides grain loss by machine sections such as header, threshing and separation or cleaning.
- Q50 medium
Effective field capacity of a machine is usually expressed as
💡 Explanation:Field capacity measures the area a machine actually covers per unit time.
- Q51 Past Paper · PPSC/FPSC/NTS easy
Tube well mechanization in Pakistan often uses
💡 Explanation:Motorized tubewells expanded irrigated area.
- Q52 medium
Mechanization can increase cropping intensity by
💡 Explanation:Timeliness from machines supports multiple crops.
- Q53 Past Paper · PPSC/FPSC/NTS medium
A major constraint to small-farm mechanization is
💡 Explanation:Cost and scale limit ownership; custom hiring helps.
- Q54 easy
Custom hiring centers / service providers help by
💡 Explanation:Hiring services spread mechanization benefits.
- Q55 Past Paper · PPSC/FPSC/NTS easy
Multi-crop threshers are popular in Pakistan for
💡 Explanation:Threshers are widespread postharvest machines.
- Q56 easy
Mechanized sowing improves yields mainly through
💡 Explanation:Uniform depth/spacing and timeliness drive establishment.
- Q57 medium
Government tractor schemes historically aimed to
💡 Explanation:Subsidized tractor programs sought wider mechanization access.
- Q58 medium
Hitch categories (e.g., three-point hitch) standardize
💡 Explanation:Three-point hitch systems enable quick implement changes.
- Q59 hard
The rotavator's fine tilth can sometimes cause
💡 Explanation:Over-pulverization has soil physical trade-offs.
- Q60 easy
Animal-drawn implements still matter where
💡 Explanation:Draught animals remain relevant in some systems.
- Q61 medium
Energy efficiency in mechanization improves when farmers
💡 Explanation:Maintenance and fewer passes save fuel.
- Q62 easy
Front-end loaders on tractors help with
💡 Explanation:Loaders add material-handling capability.
- Q63 easy
Balers package
💡 Explanation:Baling eases residue and fodder logistics.
- Q64 medium
Rice transplanters are used to
💡 Explanation:Transplanters save labor in rice systems.
- Q65 easy
A potato planter/digger mechanizes
💡 Explanation:Specialized machines suit tuber crops.
- Q66 medium
Precision agriculture machinery may use
💡 Explanation:Digital guidance optimizes input placement.
- Q67 Past Paper · PPSC/FPSC/NTS easy
Safety in mechanization requires
💡 Explanation:Farm machinery accidents are reduced by discipline and guards.
- Q68 hard
Wheel ballast and correct tyre pressure improve
💡 Explanation:Ballast and pressure affect pull and soil impact.
- Q69 medium
Matching implement size to tractor power prevents
💡 Explanation:Proper matching improves efficiency and machine life.
- Q70 Past Paper · PPSC/FPSC/NTS medium
Appropriate mechanization means choosing machines that
💡 Explanation:Fit-for-purpose machines beat oversized prestige purchases.
- Q71 Past Paper · PPSC/FPSC/NTS easy
Laser land leveling improves
💡 Explanation:Precise leveling reduces waterlogging and dry spots.
- Q72 Past Paper · PPSC/FPSC/NTS easy
Agricultural mechanization means
💡 Explanation:Mechanization applies mechanical power and implements to farming tasks.
- Q73 Past Paper · PPSC/FPSC/NTS easy
A tractor's main role on Pakistani farms is to
💡 Explanation:Tractors are the core power unit for many field operations.
- Q74 Past Paper · PPSC/FPSC/NTS easy
PTO on a tractor stands for
💡 Explanation:PTO transfers engine power to implements like rotavators and threshers.
- Q75 Past Paper · PPSC/FPSC/NTS easy
A mouldboard plough is primarily used for
💡 Explanation:MB ploughs cut, lift and invert furrows for seedbed preparation.
- Q76 medium
A disc plough is often preferred in
💡 Explanation:Disc ploughs handle difficult soil/trash conditions better in many cases.
- Q77 easy
A cultivator is generally used for
💡 Explanation:Cultivators stir soil and manage weeds between operations.
- Q78 Past Paper · PPSC/FPSC/NTS easy
A rotavator (rotary tiller) prepares seedbeds by
💡 Explanation:Rotavators create fine tilth quickly for many crops.
- Q79 Past Paper · PPSC/FPSC/NTS easy
A seed drill is designed to
💡 Explanation:Drills improve germination through controlled seed placement.
- Q80 Past Paper · PPSC/FPSC/NTS medium
Zero-till drills help conservation agriculture by
💡 Explanation:Zero-till reduces tillage passes and conserves soil moisture.
- Q81 easy
A fertilizer broadcaster distributes
💡 Explanation:Broadcasting spreads fertilizer; placement drills are more precise.
- Q82 easy
Boom sprayers are used to
💡 Explanation:Sprayers atomize and distribute spray liquids.
- Q83 Past Paper · PPSC/FPSC/NTS medium
Calibration of a sprayer ensures
💡 Explanation:Calibration matches nozzle output, speed and swath to the target rate.
- Q84 Past Paper · PPSC/FPSC/NTS easy
A combine harvester performs
💡 Explanation:Combines integrate harvest operations for cereals and similar crops.
- Q85 easy
A reaper is mainly used to
💡 Explanation:Reapers cut crop for later threshing.
- Q86 easy
Threshers separate
💡 Explanation:Mechanical threshers replace much hand threshing.
- Q87 medium
A chisel plough / subsoiler is intended to
💡 Explanation:Deep ripping improves drainage and root penetration.
- Q88 easy
Inter-row cultivators help to
💡 Explanation:Mechanical interculture reduces early weed competition.
- Q89 easy
Trailer and trolley implements are important for
💡 Explanation:Transport mechanization cuts labor and time costs.
- Q90 easy
A ridger is used to
💡 Explanation:Ridging supports irrigated row crops and drainage.