Description : Hollow cone nozzles employed on boom type of sprayers have spray angle between : A .30-60° B.40-60° C.60-95° D.100-150°
Last Answer : C.60-95°
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 : Flooding nozzle have spray angle a) 100-150 b) 90-100 c) 60-95 d) 30-45
Last Answer : a) 100-150
Description : Spray Angle for fan nozzles and hollow cone nozzle a) 40-50 b) 50-60 c) 60-95 d) 100-150
Last Answer : c) 60-95
Description : Basic components of sprayer is a) Nozzle body b) Spray boom c) Nozzle cap d) All of the above
Last Answer : All of the above
Description : Flat bat reels are widely used because :- a) This works well in lodged crop b) This is simpler and less expensive than pick up reels C) This works well in upright crops d) Both (b) and (c)
Last Answer : d) Both (b) and (c)
Description : Foam spraying requires special type of nozzle A. Flat fan nozzle B. Flooding nozzle C. Hollow cone nozzle D. Air aspiring nozzle
Last Answer : D. Air aspiring nozzle
Description : .In Hydraulic sprayers, the degree of atomization is primarily a function of A. Liquid pressure and the nozzle characteristics B. Air velocity C. Size of the nozzle D. Size and shape of the atomizer
Last Answer : A. Liquid pressure and the nozzle characteristics
Description : Application rate of sprayer is affected by a. forward of speed b. number of nozzle c. rate of discharge d. all of the above
Last Answer : d. all of the above
Description : Flow rates of particular nozzle is directly proportional to a. square root of pressure b. orifice area c. Both (a) and (B) d. none of the above
Last Answer : c. Both (a) and (B)
Description : Spary angle for fan nozzle and hollow cone nozzle a) 40-50 b) 50-60 c) 60-95 d) 100-150
Description : The nozzle used for chemical spraying of weedicides (a) hollow cone nozzle (b) solid cone nozzle (c) flat fan nozzle (d) flooding nozzle
Last Answer : (c) flat fan nozzle
Description : In hydraulic sprayers, the degree is primarily a function of: a) Liquid pressure and the nozzle characteristics b) Air velocity c) Size of the nozzle d) Shape and size of the atomizer
Last Answer : a) Liquid pressure and the nozzle characteristics
Description : Injection pressure of fuel nozzle in diesel engine is a) 30-45 kg/cm2 b) 50-100 kg/cm2 c) 120-200 kg/cm2 d) 200 kg/cm2
Last Answer : c) 120-200 kg/cm2
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 : 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 : In check rowing the seed spacing is a. constant b. continuous c. same as the rows d. none of these
Last Answer : c. same as the rows
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
Last Answer : c) Both (a) and (b)
Description : Closer group spacing and accurate hill spacing is obtained with a) Rotary valve b) Transfer wheel c)Both a & b d)All of the above
Last Answer : c)Both a & b
Description : power spray are operated at a pressure. a. 5-10 kg/m2 b.10-20 kg/m2 c.20-55 kg/m2 d.>55 kg/m2
Last Answer : c.20-55 kg/m2
Description : Atomization of spray fluid can achieved by : A. discharging the liquid through an orifice under pressure B. by breaking up the jet of liquid by a blast of _____ C. both A & B D. none
Last Answer : C. both A & B
Description : The amount of liquid required for spraying of plantation crops is : a.) 200-400L/ha b.) 400-600L/ha c.) 600-800L/ha d.) 1000-1200L/ha
Last Answer : d.) 1000-1200L/ha
Description : he amount of liquid required for ground spraying of agricultural crops is : a.) 400-600L/ha b.) 200-400L/ha c.) 1000-2000L/ha d.) 600-800L/ha
Last Answer : a.) 400-600L/ha
Description : Reaper is used for a.) Plowing b.) Harvesting and threshing. c.) Cutting crops. d.) Cutting and windrow.
Last Answer : d.) Cutting and windrow.
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)
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 reaper used for : a. Cutting crop b. Cutting and windrewing c. Cutting and threshing d. None of these
Last Answer : b. Cutting and windrewing
Description : 267 .Double knives movers offers advantage over conventional mower are a)Double knife are dynamically balanced b) They can be operated at higher forward speeds then conventional mower c)They produce more uniform stubble height d)All of the above
Last Answer : d)All of the above
Description : Capacity of field choppers (chaff cutter) is affected by.... (a) Capacity of the feed mechanism (cross-sectional area) (b) Rate of advance of material through throat considered as to be same linear speed of feed mechanism (c) Density of forage material (d) All of the above
Last Answer : (d) All of the above
Description : Name of instrument used for testing of spray nozzle a) Patternator b) Aerometer c) Galvanometer d) Piezometer Ans. a
Last Answer : ans a
Description : A flat fan nozzle is suitable for a) Foliage spray b) Insect control c) Spot spray d) Herbicide spray
Last Answer : ans d
Description : . Fan nozzle forms narrow. spray pattern. a. large c. Straight. d. None of above
Last Answer : Ans- b. elliptical.
Description : nozzle which forms narrow elliptical spray pattern. a) Hollow cone nozzle b) Hard cone nozzle c) Solid cone nozzle d) Fan nozzle
Last Answer : Fan nozzle
Description : Component to remove suspended matter large than a predetermined size from fluid. a. Relief valve. c. Filter b. Spray gun. d. Nozzle
Last Answer : Filter
Description : Basic components of sprayer. a. Nozzle body b. Nozzle boss c. Filter d. Spray gun e. All of the above
Description : Junior hoe consist of and attached to the framework with hinge arrangement a) Reversible showers, nozzle body b) Reversible shovels, curved tynes c) Reversible shovels, curved tyres d) Pressure regulator, spray lance
Last Answer : Reversible shovels, curved tynes
Description : How many number of spray nozzle does each module on spray pond cooling system contain? a. 1 b. 2 c. 3 d. 4
Last Answer : d. 4
Description : A and are fixed to the framework for guiding. a) Nozeel cap , disc b) Handle, beam c) Spray boom, filter d) Shovel can, framework
Last Answer : Handle, beam
Description : What was one result in the boom in crop production in the 1870s?
Last Answer : Crop prices went down.
Description : What was the result of the boom in crop production in the 1870s?
Description : In a sprayer overlapping can be increased by increasing a) Nozzle diameter b) Pressure c) Discharge d) Height of nozzle Ans. d
Description : A paddy transplanter uses either root wash type seedlings or __________ seedlings.
Last Answer : soil bearing
Description : In sprayers , operating pressures below ___________Kpa are undesirable for hydraulic nozzles other than flooding type
Last Answer : 140
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 : 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 : Agitator(propeller or paddle)type for agitating liquid in power sprays have a velocity of a.100-120 rpm b.60-100 rpm c.10-20 rpm d. none of the above
Last Answer : a.100-120 rpm
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 : In a horizontal plate type planter maximum obtainable value of cell fill is : A.Greater then 100% B.Less than 100% C.200% D.None of the above
Last Answer : A.Greater then 100%
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