Description : Increase in grain/non-grain ratio on the straw walker, _____the straw walker losses a) Decrease b) Increase c)Unaltered d) None of the above
Last Answer : b) Increase
Description : Increase amount of non-grain material on the straw walker _______ the walker losses a) Decreases b) Increases c) Unaffected d) Equal
Description : .Incresase amount of the non grain material on the straw Walker the walker (a) Decrease (b) Increase (c) Unaffected (d) Equal
Description : .Increase the grain/non grain ratio on the shoe tends to the shoe losses (a) Decreases (b) Increases (c) Decrease or increase (d) Equal
Last Answer : (d) Equal
Description : Increasing the grain/non-grain ratio on shoe tends to _________ the shoe losses a) Decrease b) Increase c)Decrease or increase d) Equal
Last Answer : c)Decreas
Description : Kinematic index of the straw Walker is as ratio (a) Angular velocity of straw Walker to angular velocity of threshing drum (b) Angular velocity of straw Walker to angular velocity of threshing drum (c) Angular velocity of straw Walker to linear velocity of combine (d) All of the above
Last Answer : (a) Angular velocity of straw Walker to angular velocity of threshing drum
Description : Wood is well suited to use as bearing on straw walker cranks in combine due to fact a) Wood corrosion resistance b) Split bearing are needed for practical purpose c) It can take radial as well as thrust loads d) No lubrication is required
Last Answer : b) Split bearing are needed for practical purpose
Description : Free (threshed) seed carried over the straw discharged from the rear shoe is called as (a) Cylinder loss (b)walker loss (rack Loss) (b) Shoe loss (d) gathering loss
Last Answer : (b) Shoe loss
Description : Free (threshed) seed carried over the walker or rack in straw and discharge from the rear of machine is called as (a) Cylinder loss (b) walker loss(rack loss) (c) Shoe loss (d) gathering loss
Last Answer : (b) walker loss(rack loss)
Description : Unthreshed seed discharged from the rear of the machine either in straw or in the material from the cleaning shoe is called (a)cylinder loss (b)walker loss (rack loss) (c)shoe loss (d) gathering loss
Last Answer : (a)cylinder loss
Description : Increasing non grain feed rate increase (a) Cylinder losses (b) Seed damage (c) Both (a) and(b) (d) None of the above
Last Answer : (a) Cylinder losses
Description : Increasing non-grain feed rate increase a) Cylinder losses b) seed damage c)Both (a) and (b) d) none of the above
Last Answer : a) Cylinder losses
Description : 349- Pods, heads or ears & freeseeds, lost during the cutting & conveying operation are called as..... (a) Cylinder loss (b) Walker losses ( rack loss) (c) Shoe losses (d) Gathering loss
Last Answer : (d) Gathering loss
Description : .total grain loss in a combine increase with a. increase in forward speed b. decrease in stubble Hight c. increase in concave clearance d. all of the above
Last Answer : .total grain loss in a combine increase with a. increase in forward speed b. decrease in stubble Hight c. increase in concave clearance d. all of the above
Description : Free (threshed) seed carried over straw discharge from the rear of shoe is called:- a) Cylinder loss b) Walker losses ( rack loss) C) Shoe loss d) Gathering losses
Last Answer : C) Shoe loss
Description : Free (threshed) seed carried over the Walker or rack in straw and discharge from the rear of machine is called as :- a) Cylinder loss b) Walker losses (rack loss) C) Shoe loss d) Gathering losses
Last Answer : b) Walker losses (rack loss)
Description : Unthreshed seed discharge from the rear of the machine either in straw or in the material from the cleaning shoe is called :- a) Cylinder loss b) Walker losses(rack loss) C) Shoe loss d) Gathering losses
Last Answer : a) Cylinder loss
Description : Durability of the fertilizer increases with a) Increase in the kinetic angle of repose b) Decrease in the kinetic angle of repose c) Decrease in the speed of the forward travel d) None of the above
Last Answer : b) Decrease in the kinetic angle of repose
Description : Differential lock offers advantage of E. Threshing efficiency of thresher (power operated) F. Capacity of chaff cutters G. Cleaning capacity of straw walkers H. None of the above
Last Answer : F. Capacity of chaff cutters
Description : Speed of the cutter bar in case of combine (grain) is (a)400-550 rpm (b) 500-800rpm (c)800-1000rpm (d) 1000-1200rpm
Last Answer : a)400-550 rpm
Description : swirl plate in the cone nozzle is provided to. a. Impart rotational motion to the liquid passing through it. b. To increase the droplet size. c. To decrease the droplet size. d. To increase the spray angle.
Last Answer : a. Impart rotational motion to the liquid passing through it.
Description : .Increase length of a land slide of a one bottom right hand mould board plough will a) Increase the amount of offset on tractor b) Decrease the amount of offset c) No affect d) Affect Completely
Last Answer : c) No affect
Description : In a disc plough with the increase in the disk angle, the transverse component of reaction will a)Increase b) Decrease c) Unaffected d) None of the above
Last Answer : a)Increase
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 : 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 : 310- Larger tension ratio result in... (a) Unnecessary high tension in belt (b) Reduction in belt life (c) Excessive belt slippage (d) Increase belt life
Last Answer : (c) Excessive belt slippage
Description : In a thresher, by increasing the speed of threshing cylinder a) Threshing efficiency can be increased b) Broken grain loss can be minimized c) Un-threshed grains can be increased d) Straw breakup can be increased Ans. a
Last Answer : ans a
Description : Pods, heads or ears and free seeds, lost during the cutting and conveying operations are called as (a)cylinder loss (b) walker loss (rack loss) (c)shoe losses (d)gathering loss
Last Answer : (d)gathering loss
Description : Turbo chargers or super chargers increases engine power by A. 10-20% C. 50-60% B. 20-30% D. 90-100%
Last Answer : A. 10-20%
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 : Suggested or recommended difference in mass to power ratio between ballasted and unballasted tractor is of the order a)10kg/PTO KW b)6kg/PTO kw c)20kg/PTO kw d)30kg/PTO kw
Last Answer : b)6kg/PTO kw
Description : In an epicycle gear reduction unit, the ratio of the number of teeth of the internal gears to the sun gear is: a) 3:1 b) 4:1 c) 2.5:1 d) 4.5:1
Last Answer : b) 4:1
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 : 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 : Smaller tension ratio result in.... (a) Unnecessary high tension in belt (b) Reduction in belt life (c) Both (c) & (b) (d) Excessive belt slippage
Last Answer : (c) Both (c) & (b)
Description : Stroke bore ratio for tractor engine is (a) 1.25 (b) 1.45 (c) 1.75 (d) 2.00
Last Answer : (a) 1.25
Description : V-belt drive transmission system is used when it is designed to achieve a) High speed ratio b) Space requirements are limited c) Both (a) and (b) d) None of the above
Description : Chain drives are stable for a) Constant speed ratio between parallel shafts b) Distance between centre to centre is moderate c) Dirty and dusty environment d) All of the above
Description : The ratio of reel peripheral speed to forward speed of combine is called (a)velocity index (b)angular velocity index (c)reel speed index (d) kinematic index
Last Answer : (c)reel speed index
Description : With decrease in the grain size of a material, its creep resistance (A) Increases (B) Decreases (C) Remain constant (D) Either (A) or (B); depends on the material
Last Answer : (C) Remain constant
Description : Function of idler pully are a. to increase the angle of contact of belt on pully b. maintain belt tension as belt stretches c. canter to centre distance remain same d. all the above
Last Answer : d. all the above
Description : A thresh causes more seed damage if :- a. Seed is increase b. Clearance is increased c. Feed rate is reduced d. Seed is reduced
Last Answer : a. Seed is increase
Description : When V-belt drive is used a safety device, its performance is affected by a) Variation in belt tention b) Increase in coefficient of friction as belt slippage increase c) Both (a) and (b) d) None of the above
Description : Increasing the cylinder speed result in (a) Increase threshing efficiency (b) Reduce cylinder loss (c) Increase seed damage (d) All of the above
Last Answer : (a) Increase threshing efficiency
Description : Penetration of disc plough can be improved by a) Increase disc angle b) Decreasing tilt angle c) Both (a) and (b) d) None of the above
Last Answer : b) Decreasing tilt angle
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 : 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 : 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 : Increasing the cylinder speed result in a) Increase threshing efficiency b) Reduce cylinder loss c) Increase seed damage d) All of the above
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