Description : Soil strength is determined by (a) Penetrometer (b) Micrometer (c) Hydrometer (d) Dynamometer
Last Answer : (a) Penetrometer
Description : An instrument used to measure soil compaction is: a Hydrometer b Cone penetrometer c Tachometer d Hygrometer
Last Answer : b Cone penetrometer
Description : power of absorbing type hydraulic dynamometer varies as a) cube of rpm b) fifth power of the diameter c) none of the above d) both (a) and (b)
Last Answer : d) both (a) and (b)
Description : Which one is a transmission dynamometer a) Torsion dynamometer b) Froues hydraulic dynamometer c) Belr dynamometer d) Proney brake dynamometer
Last Answer : a) Torsion dynamometer
Description : The amount of energy required to produce a given degree of pulverisation depends primarily on a) Soil strength b) Energy utilisation efficiency of tool c) Both (a) and (b) d) None of the above
Last Answer : c) Both (a) and (b)
Description : Size of MB plow is determined by (a) depth of cut (b) width of cut (c) number of accessories (d) none of the above
Last Answer : (b) width of cut
Description : The average spacing of seeds or hills in field is obtained or determined by a) The ratio of linear or peripheral speed of seed pick up units (cells fingers, etc) to the forward speed of the planter b) The distance ... up units (cells) on the metering unit c) Both (a) and (b) d) None of the above
Description : Multiple universal joint are preferred over single joint because they : A. provide higher strength B. minimize speed fluctuation C. are lighter in weight D. are more flexible
Last Answer : B. minimize speed fluctuation
Description : An erratic variation of speed governor when it is over compensated for speed changes is a) Governor strength b) Governor regulation c) Governor hunting
Last Answer : c) Governor hunting
Description : The purity of Milk is determined by (1) Hydrometer (2) Lactometer (3) Stalagmometer (4) Thermometer
Last Answer : Lactometer
Description : Transplanter using soil bearing seedlings are more popular than washed root seedling transplanter because of a) less labour requirement b) lesser plant missing percentage c) higher work rates d) all of the above
Last Answer : d) all of the above
Description : .Fandem wheels are preferred over dual wheels because a) they tends to reduce load on an area by50% b)they tends to reduce soil contact pressure c)reduces sub soil compact ness pressure d)none of the above
Last Answer : a) they tends to reduce load on an area by50%
Description : Dual wheels have disadvantage of a)reducing soil contact pressure and sub soil compact negative pressure b) concentrating load over an area c)reduces load on area by 50% d) none of the above
Last Answer : b) concentrating load over an area
Description : Formula for adding weight (ballast) on tractor tyres working in loose wet soil for good traction a)(km/hr × kg/PTO kw)=540 b)( km/hr × kg/PTO kw)=670 c)( km/hr × kg/PTO HP)=540 d)( km/hr × kg/PTO HP)=670
Last Answer : a)(km/hr × kg/PTO kw)=540
Description : Curved twisted blades are specially suited for m. Minimum tillage of trashy land at shallow depths n. Dried hard soils o. Cutting and pulverisation in wet sticky clay soil p. For operating on the sides of plant bed
Last Answer : p. For operating on the sides of plant bed
Description : shaped blades are best suited for i. Minimum tillage of trashy land at shallow depths j. Dried hard soils k. Cutting and pulverisation in wet sticky clay soil l. Working under normal field conditions
Last Answer : i. Minimum tillage of trashy land at shallow depths
Description : Hook type blades best suited for e. Minimum tillage of trashy land at shallow depths f. Dried hard soils g. Cutting and pulverisation especially in wet sticky clay soil h. Working under normal field conditions
Last Answer : f. Dried hard soils
Description : Puddling is done to: A. Reduce percolation of water B. Kill weeds C. Pulverize soil D. Level the field
Last Answer : A. Reduce percolation of water
Description : Scouring indicates: A. movement of soil on tool surface B. sticking of soil on tool surface C. inversion of soil D. none of the above
Last Answer : A. movement of soil on tool surface
Description : illage tool moving with uniform velocity is subjected to A)force of gravity. B)pull of power source C)soil reaction. D)all of the above
Last Answer : D)all of the above
Description : The ideal moisture content for the soil primary tillage operation a) Upper plastic limit of the soil b) Lower plastic limit c) Wilting Point d) All of the above
Last Answer : a) Upper plastic limit of the soil
Description : Equipment for placing seeding in the soil called: a) Seed drill b) Seed cum fertilizer drill c) Planter d) Transplanter
Last Answer : d) Transplanter
Description : Puddling is done to achieve : a. Soft soil bed b. Non leaching of water c. Size reduction of clods d. Conservation of moisture
Last Answer : b. Non leaching of water
Description : Disc angle adjustment influences: a. Depth of cut b. width of cut c. Soil break up d. Direction of travel
Last Answer : b. width of cut
Description : Puddling is done to: a) Reduce percolation of water b) Kill weeds c) Pulverise soil d) Level the fields
Last Answer : a) Reduce percolation of water
Description : A power tiller is most suited for rotary cultivation because: A. It generates negative draft B. Its traction requirements are low C. It provides high degree of soil pulverization D. All of the above
Last Answer : D. All of the above
Description : ed planting is practiced for row crops in (a) Semi-arid conditions to place seed deep in moist soil (b) High rainfall areas to improve surface drainage (c) Irrigated areas leaving more space for operation of equipments (d) Both (b) and (c)
Last Answer : d) Both (b) and (c)
Description : Lister planting or furrow planting is practiced for (a) High rainfall areas to improve surface drainage (b) Semi-arid conditions to place seed deep in moist soil (c) Areas where natural moisture conditions are favourable (d) Irrigated areas leaving more space for operation of equipments
Last Answer : (b) Semi-arid conditions to place seed deep in moist soil
Description : How type furrow (or shovel) opener are especially suited to a. Stoney and root infested fields b. Poorly prepared beds in trashy soil c. Hard field with considerable debris and mulch d. None of the above
Last Answer : a. Stoney and root infested fields
Description : Rotary tiller are wide adopted in rice cultivation due to a) Excessive pulverization b) Suitability for pudding paddy field c) Reduced draft requirement d) Complete inversion of soil
Last Answer : b) Suitability for pudding paddy field
Description : owest specific energy requirement for the operation of rotavator is about _______ times as great as a mould board plough working in the same soil. a) Equal b) Twice c) Three d) Four
Last Answer : c) Three
Description : The rotary and oscillating tool which does not turn the soil upside down is a) Power tiller b) Rotravator c) Power harrow d) Treader and rotary tiller
Last Answer : c) Power harrow
Description : Rotavator working in reverse direction for compacting soil and giving good touch to inter culturing is called a) Rotary tiller b) Power tiller c) Power harrow d) Treader
Last Answer : d) Treader
Description : Disc type furrow openers are especially suited to A. Stoney and root infested soils B. Poorly prepared bed in trashy soil C. Hard and sticky soil with considerable amount of debris and mulch D. All of the above
Last Answer : C. Hard and sticky soil with considerable amount of debris and mulch
Description : Shoe type furrow openers especially suited to A. Stoney and root infested fields B. Poorly prepared bed in trashy soils C. Hard and sricky soil with considerable amount of mulch and debris D. All of the above
Last Answer : B. Poorly prepared bed in trashy soils
Description : _______ designates the shape of gross peripheral and cross-sectional boundaries of the soil working tool a) Micro shape c) Edge shape b) Macro shape d) Gross shape
Last Answer : c) Edge shape
Description : Soil acceleration increases draft because of a) Increased normal load on soil working surface b) Increased frictional resistance c) Kinetic energy imparted to the soil d) All of the above
Last Answer : d) All of the above
Description : raft increases with increase in forward speed for most of the implement, mainly due to a) More rapid acceleration of any soil particles that is moved appreciably b) More working width c) Increased working depth d) Draft decreases with increase in speed of implement
Last Answer : a) More rapid acceleration of any soil particles that is moved appreciably
Description : .Large tilt angle best for a) Hard soil b) Sticky and non-scouring soil c) Dry and cemented soil d None of the above
Last Answer : b) Sticky and non-scouring soil
Description : At smaller disc angles , the draft tends to increase in disc plough because of a) Greater contact area between furrow wall and the convex side of the disc b) Increase in the side draft c) Greater throw of the soil d) All of the above
Last Answer : a) Greater contact area between furrow wall and the convex side of the disc
Description : Scouring will occur as long as a) Frictional resistance at soil tool interface is less than the resistance at parallel soil-soil inter face b) Frictional resistance at soil tool interface is more than ... c) Soil-metal friction is more than angle of soil shearing resistance d) None of the above
Last Answer : a) Frictional resistance at soil tool interface is less than the resistance at parallel soil-soil inter face
Description : _________means movement of soils across a tool surface without sticking first to avoid soil build ups a) Pulverisation b) Inversion c) Scouring d) Turning
Last Answer : c) Scouring
Description : A slat mould board scours better than a solid mould board because of smaller contact area resulting in a) Reduction of adhesive force b) Increase in soil pressure c) Both (a) and (b) d) None of the above
Description : Under a given set of operating conditions, the designer and operator has some control of a)Useful soil resistance b) Parasitic Force c)Draft of implement d) Pull of implement
Last Answer : b) Parasitic Force
Description : Force ( including rolling resistance friction ) that acts upon the stabilising surfaces such landslide and sole of bottom are called a) Useful soil resistance b) Parasitic force d) Draft of implement. d) Pull of implement
Last Answer : b) Parasitic force
Description : Forces which a tool must overcome in cutting, breaking and moving the soil is called a) Useful soil resistance b) Parasitic force c) Draft of implement d) Pull of implement
Last Answer : a) Useful soil resistance
Description : A Tillage implement moving at a constant velocity is subjected to a) Force of gravity b) Soil force (resistance) c) Pull of mower d) All of the above
Description : nstrument used for measuring the depth & width of ploughing : A. penetrometer B. width meter C. depth meter D. width and depth meter
Last Answer : A. penetrometer
Description : In hydrometer analysis for a soil mass (A) Both meniscus correction and dispersing agent correction are additive (B) Both meniscus correction and dispersing agent correction are subtractive ... is subtractive (D) Meniscus correction is subtractive and dispersing agent correction is additive
Last Answer : (C) Meniscus correction is additive and dispersing agent correction is subtractive
Description : The hydrometer method of sedimentation analysis differs from the pipette analysis mainly in (A) The principle of test (B) The method of taking observations (C) The method of preparation of soil suspension (D) All of the above
Last Answer : (B) The method of taking observations