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 : 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 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 : 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 : 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 : 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 : 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 : 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 : .Incresase amount of the non grain material on the straw Walker the walker (a) Decrease (b) Increase (c) Unaffected (d) Equal
Last Answer : b) Increase
Description : Increase in grain/non grain ratio on the straw Walker losses (a) Decrease (b) Increases (c) Unltered (d) None of the above
Last Answer : (b) Increases
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 : Increase amount of non-grain material on the straw walker _______ the walker losses a) Decreases b) Increases c) Unaffected d) Equal
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
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 : 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 : d) All of the above
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 : Improved uniformity is obtained if seed tube is inclined rear ward at _________ with vertical. a)5-15° b)15-30° c)30-40° d)40-50
Last Answer : b)15-30°
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 : 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 : o over come the rear ward deflection the load given to outer end of the cutter bar is about..... (a)1.57cm/m (b) 2.0cm/m (b)3.0cm/m (d) 3.5cm/m
Last Answer : b) 2.0cm/m
Description : Cylinder loss in a stationary power thresher can be reduced by increasing the : M. Cylinder peCylinder loss in a stationary power thresher can be reduced by increasing the : M. Cylinder peripheral speed N. Concave clearance O. Blower speed P. All of the above
Last Answer : M. Cylinder peripheral speed
Description : ears commonly used on fuel injection pumps are a. Spur gears b. helical gears c. rack and pinion d. spiral gears
Last Answer : c. rack and pinion
Description : Which end of the disc harrow penetrates deeply a) Concave b) Convex c) Rear d) Front
Last Answer : a) Concave
Description : Which end of disc harrow tends to penetrate more deeply a) Concave b) Convex c) Rear d) Front
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 : 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 : .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 : 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 : 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 : 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 : In a combine harvester the peripheral speed of the cylinder ranges between ________ m/min.
Last Answer : 1200 to 1500
Description : Optimum operating cylinder speed for wheat threshing using power operated thresher is a) 300-400rpm b) 400-600rpm c) 600-800rpm d) 1100-1200rpm
Last Answer : d) 1100-1200rpm
Description : Optimum operating cylinder speed for the power operated maize sheller is a) 200-400rpm b) 400-600rpm c) 600-800rpm d) 1000-1200rpm
Last Answer : c) 600-800rpm
Description : Axial flow thresher uses a) Raspbar type cylinder b) Serrated disc type c) Spike tooth d) Hammer mill
Last Answer : a) Raspbar type cylinder
Description : Adjustment needed when thresher blows grains with chaff a.) Decreasing cylinder peripheral speed. b.) Increasing cylinder speed. c.) Decreasing feed rate. d.) Increasing cylinder
Last Answer : a.) Decreasing cylinder peripheral speed.
Description : Thresher blows broken grains with chaff due to a) Higher cylinder speed. b) More feed Rate c) More cylinder concave clearance d) Moisture content of the crop is more
Last Answer : a) Higher cylinder speed.
Description : Most important factor affecting threshing efficiency a)peripheral speed of the drum b)cylinder concave clearance c)moisture content of crop d)feed rate
Last Answer : a)peripheral speed of the drum
Description : A threshing cylinder of 15cm radius is rotating at 700rpm if peripheral velocity (m/sec) will be a. 11 b.105 c. 210 d. 660
Last Answer : a. 11
Description : The two types of cylinder used on power wheat threshers are: a) Serrated disc and rasp bar b) Spike tooth and wire loop type c) Spike tooth and hammer mill d) Hammer mill and flails
Last Answer : c) Spike tooth and hammer mill
Description : Axial flow thresher uses a) Raspbar type cylinder b) Serrated disc type cylinder c) Spike tooth d) Hammer mill
Description : Axial flow thresher utilises (a) Rasp bar cylinder (b) Spike tooth cylinder (c) Hammer mill cylinder (d) Peg tooth cylinder
Last Answer : (b) Spike tooth cylinder
Description : iesel engine has less reserve torque then spark ignition because ∙ Torque-speed curve is governed by volumetric efficiency of fuel pump and engine cylinder ∙ Torque is a function of thermal efficiency ∙ Diesel engine has generally low speed engine ∙ None of the above
Last Answer : ∙ Torque is a function of thermal efficiency
Description : Compression pressure in petrol engine cylinder is a) 6-10 kg/cm2 b) 10-20 kg/cm2 c) 20-35 kg/cm2 d) 35-40 kg/cm2
Last Answer : a) 6-10 kg/cm2
Description : Compression pressure in diesel engine cylinder is a) 6-10 kg/cm2 b) 10-20 kg/cm2 c) 20-35 kg/cm2 d) None of the above
Last Answer : c) 20-35 kg/cm2
Description : Firing order of a six cylinder engine in which no two adjacent cylinder have power stroke is (a) 1 5 3 6 2 4 (b) 1 2 3 4 5 6 (c) 1 5 4 6 3 2 (d) 1 4 2 5 6 3
Last Answer : (a) 1 5 3 6 2 4
Description : hen displacement volume is divided by piston displacement, what will we obtained (a) number of cylinders (b) number of power stroke per minute for all cylinders (c) number of revolution of the crankshaft (engine) (d) number of revolution of crankshaft × number of cylinder
Last Answer : (b) number of power stroke per minute for all cylinders
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 : Formula for established plants to the speed sown based on the dug seed is given by A. CI= [(E×10000) /(D×W) ]×1000 B. CI=[E/(N+E) ]×100 C.Both (A) and (B) D. None of (A) and (B)
Last Answer : B. CI=[E/(N+E) ]×100