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 : 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 : 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
Last Answer : d) All of the above
Description : Horizontal component of pull perpendicular to the line of motion is called: A.Draft B.Side draft C.Transerve component D. Pull
Last Answer : B.Side draft
Description : Differential lock offers advantage of A. Better drawbar pull when drive wheel are under different conditions B. Easier to plant in straight rows C. Reduces stearing effort and side draft when operating with certain implements D. All of the above
Last Answer : D. All of the above
Description : The type of restrained three point linkage system in which the depth of implement is automatically adjusted to maintain a pre selected constant draft is called : E. Automatic draft control system F. Precision control system G. Depth control system H. None of the above
Last Answer : E. Automatic draft control system
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 : 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 : Swinging drawbar is advantageous because it help A. Taking short turn with machine wider than the tractor B. Reduces side draft C. Leaves only small area uncovered at corner of the fied D. All the above
Last Answer : A. Taking short turn with machine wider than the tractor
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 : The virtual hitch point of a directional implement is located at: a) Near the front axle b) 40 mm towards the rear axle c) At the power take off shaft d) Between two lower links
Last Answer : d) Between two lower links
Description : A power tiller is most suited for : A. Draft operation with rigid tools B. Rotary cultivation C. Stationary operation D. Transport work
Last Answer : B. Rotary cultivation
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
Description : Rotary tillers are characterized by a) Lower and negative draft b) High power requirement c) Excessive pulverization d) All the above
Last Answer : d) All the above
Description : The implement which can work in offset position a)offset disc harrow b) mower c) both (a) and (b) d) none of the above
Last Answer : c) both (a) and (b)
Description : Land shaping becomes essential where often the following implement is used a) M.B. Plough b) Disc plough c) Cultivator d) All of the above
Last Answer : a) M.B. Plough
Description : 0ff-set disc harrows are best suitable to work for a) primary implement b) breaking clods c) orchard cultivation d) surface finishing
Last Answer : c) orchard cultivation
Description : Depth of working of a tillage implement is controlled by a) Furrow Wheel b) Gauge Wheel c) Cage Wheel d) Star Wheel
Last Answer : d) Star Wheel
Description : Land shaping becomes essential where often the following implement is used a) M.B. Plough b) Disc Harrow c) Cultivator d) All of the above
Description : Rated speed of an engine is the speed at which an engine devlopes (A) Maximum crankshaft torque (B) Maximum brake horse power output (C) Maximum thermal efficiency (D) Maximum drawback pull
Last Answer : (B) Maximum brake horse power output
Description : 1Heavy draft of a disc plough is due to: A. Blunt disc B. Furrows too wide C. Loose bearings D. All are currect
Last Answer : D. All are currect
Description : Heavy draft of a disc plough is due to: a) Blunt disc b) Furrows too wide c) Loose bearings d) All of the above
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 : 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
Description : Average pull developed by a pair of bullocks (a) 1/10 of their body weight (b) Equal to bosey weight (c) 1/2 of their body weight (d) None of the above
Last Answer : (a) 1/10 of their body weight
Description : The formula for tension difference or effective pull, required to transmit the load at.... (a) (Tt-Ts)=1000(kw/V) (b) Tt/Ts=c^ke (c) (Tt-Ts)= 1000(Hp/V) (d) None of the above
Last Answer : (a) (Tt-Ts)=1000(kw/V)
Description : The weight of a body is due to (A) Centripetal force of earth (B) Gravitational pull exerted by the earth (C) Forces experienced by body in atmosphere (D) Gravitational force of attraction towards the centre of the earth
Last Answer : (D) Gravitational force of attraction towards the centre of the earth
Description : Weight transfer in a tractor in a tractor implement system is caused by 1. Application of pull 2. Tractor force 3. Tractor slip 4. Weight of operator
Last Answer : ans 1
Description : Weight transfer in a tractor in a tractor implement system is caused by A. Application of Pull. B. Tractor force C. Tractor slip. D. Weight of operator
Last Answer : Application of Pull
Description : Weight per unit of drawbar power is generally ranges between a)50-120kg/kw b)120-150kg/kw c)150-250kg/kw d)250-300kg/kw
Last Answer : a)50-120kg/kw
Description : Total mechanical losses ( frictional losses , pumping loss in intake and exhaust and power accessories) will amount to a.10-20 % ihp b.2-10 % ihp c.20-30 % ihp d.30 -50 % ihp
Last Answer : a.10-20 % ihp
Description : pecific energy requirement of rotary tillers can be reduce by a) Increasing the bite length b) Decreasing depth to diameter ratio c) Both (a) and (b) d) Excessive reduction in total power requirement
Last Answer : c) Both (a) and (b)
Description : .When the valves are carried in engine bioel at one side of each cylinder is called A. Valves in head arrangements B. L-head C. I-head D. None of the above
Last Answer : B. L-head
Description : An engine is called I or valve in head engine when a) Valve are immediately above the cylinder b) Both valves are on one side c) Both valves are on opposite direction d) None of the above
Last Answer : d) None of the above
Description : Dead furrow open furrow is called when plowing is done by (a) Center to side (b) side to center method (c) one way plowing (d) none of the above
Last Answer : (b) side to center method
Description : The force that holds two particles of the different kind together is called as a) Adhesion c) Shear force b) Cohesion d) Compressive
Last Answer : a) Adhesion
Description : The force that holds two particles of the same kind together is called as a) Adhesion c) shear force b) cohesion d) compressive
Last Answer : b) cohesion
Description : .The land side of a mould board plough is made of: A. Malleable iron B. Forged steel C. C45 steel D. Soft Centre steel
Last Answer : D. Soft Centre steel
Description : Back furrow is caused while plowing is done (a)center to side (b) side to center (c)one way plowing. (c) none of the above
Last Answer : a)center to side
Description : Tension on the slack side in chain drive is A)more than on tight side. B)less than on tight side. C)zero. D)equal to tight
Last Answer : C)zero
Description : Blades of disc harrow are sharpened from the_______ side penetrate more readily than blades sharpened from the__________ side a) convex, concave c) concave, convex b) Front, rear d) Rear, front
Last Answer : c) concave, convex
Description : knives of the cutter bar are scrratedin order to a)Increase the co-efficient of friction between crop stalk machine b)Reducing the deflection of stalk side ways c)To increase the cutting speed d)To improve cutting height
Last Answer : a)Increase the co-efficient of friction between crop stalk machine
Description : Tension on slack side in case of chain drive a) Lesser than on tight side b) Greater than on tight side c) Zero d) Equal to that on tight side
Last Answer : c) Zero
Description : 346- Side deflection of stalk can be minimized by.... (a) Having a short cutting stroke (b) Having an arrangement to obtain two cuts per stroke (c) Both (a) & (b) (d) None of the above
Last Answer : (c) Both (a) & (b)
Description : One of the main advantages of disc brakes over drum brakes is that the disc brake : U. Can stop a vehicle in a shorter distance V. Is more heat resistant W. Weighs less than drum brakes X. Requires less pedal force to stop the vehicle
Last Answer : . Requires less pedal force to stop the vehicle
Description : Dynamic similarity between the model and prototype signifies similarities of a) Motion b) Force c) Length d) None of the above
Last Answer : b) Force
Description : Kinematic similarity between the model and prototype signifies similarities of a) Motion b) Force c) Length d) None of the above
Last Answer : a) Motion
Description : Geometric similarity between the model and prototype signifies similarities of a) Motion b) Force c) Length d) None of the above
Last Answer : c) Length
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