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 : A reaper is used for: (a) cutting crop (b) cutting and windrowing (c) cutting and threshing (d) Cutting grass
Last Answer : (a) cutting crop
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 : To separate grains from the harvested crop and provide clean grain without much loss and damage which called as A) Potato digger elevator B) Groundnut digger shaker C) Reaper binder D) Threshing
Last Answer : Threshing
Description : Harvesting of wheat with bullock drawn reaper and making bundles could require a) 2 persons b) 3 persons c) 4 persons d) 5 person
Last Answer : a) 2 persons
Description : enght of cutter bar for the tractor operated mower or vertical conveyor reaper is..... (a) 1.5-3.0m (b) 3.0-4.5m (c)4.5-5.5m (d) >5.5m
Last Answer : (a) 1.5-3.0m
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 : 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 : 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 : 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 : 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 : 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 : 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 : The operation of cutting, picking, plucking digging or any combination of these for removing the whole crop or edible part of the crop from either under the ground or above the ground is called a. threshing b. Post harvesting d. None of above
Last Answer : Ans- c. Harvesting
Description : The cutting and gathering of crop after maturation is known as _______. a) harvesting b)threshing c)winnowing d)sowing
Last Answer : a) harvesting
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 : For rotary cutting blade the proper cutting quality is affected by A)rates of forward speed to blade pert pheral speed B)radius of rotation of cutting blade C)feed per blade D)all of these
Last Answer : D)all of these
Description : Cutting speed of the impact type cutter is a)10-20 m/s. b)20-40m/s c)40-50m/s. d)46-56m/s
Last Answer : b)20-40m/s
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 : 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 : 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 : 345- Excessive stalk deflection particularly when cutting close to ground results in ...... (a) Stubbles of uneven length (b) Increased tedency of stalk to cut by cutting unit..... (c) Less unevenness in cutting (d) Less missing or uncut stalk
Last Answer : (a) Stubbles of uneven length
Description : Nozzle spacing on boom is governed by a.) Type of spray b.) Height of crops c.) Density of crop d.) All of the above
Last Answer : d.) All of the above
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 : 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 : In vertical conveyor reaper, the crop to be harvested are guided by a) Star wheel b) Reel c) Row divider d) Cutter bar
Last Answer : Star wheel
Description : Which of the following not belong to Post harvest handling of seed crop? A. Seed Selection B. Threshing C. Drying D. Grading
Last Answer : A. Seed Selection
Description : The threshing efficiency of thresher depends on a) Cylinder peripheral speed b) Cylinder concave clearance c) Feed rate, moisture content and type of crop d) All are correct
Last Answer : All are correct
Description : The process of separation of grains from cut crop after harvesting is known as ________. a) harvesting b)threshing c)winnowing d)sowing
Last Answer : b)threshing
Description : verticalsuctioninmouldboardploughis______whereashorizontalsuctionis______
Last Answer : .0.3to0.5cm,0.5cm
Description : Byincreasingdiskangle,depthpenetration_____beoverwithofcut_______
Last Answer : .decreases,increases
Description : A paddy transplanter uses either root wash type seedlings or __________ seedlings.
Last Answer : soil bearing
Description : An indigenous plough cuts a _________furrow cross sect
Last Answer : Trapizoidal
Description : The unit of filter medium resistance is________
Last Answer : L^-1
Description : The average working speed of a hand operated chaff fitted with two knives is _________ rev/min.
Last Answer : 35
Description : In a combine harvester the peripheral speed of the cylinder ranges between ________ m/min.
Last Answer : 1200 to 1500
Description : In sprayers , operating pressures below ___________Kpa are undesirable for hydraulic nozzles other than flooding type
Last Answer : 140
Description : Optimum speed for grains like gram,pea,etc.,thresher using power is a) 300-400rpm b) 400-600rpm c) 600-800rpm d) 1100-1200rpm
Last Answer : a) 300-400rpm
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 : Air output of a duster is given by formula a) Q= 60×A×V b)Q= 60×A×(2GH/Y) c) Q= 240×A×h d) all of the above
Last Answer : d) all of the above
Description : Lewis formula is used in the design of a) gears b) clutch c) chain drive d) belt drives
Last Answer : a) gears
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
Description : Superchargers are driven by A. Electric current from the battery B. Exhaust gases from engine C. Direct connection with the engine power D. None of the above
Last Answer : C. Direct connection with the engine power
Description : Turbo chargers are driven by A. Direct connection with engine power B. Exhaust gases from engine C. Electric current from the battery D. None of the above
Last Answer : B. Exhaust gases from engine
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 : .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 : Utility index is a indication of A. Work machine contact hours B. Wear out life of machine C. Operating cost of machine D. Reliability of machine working
Last Answer : A. Work machine contact hours
Description : Alternators are preferred over dynamo because A. Alternators can produce a strong current of 30-40 amperes. B. Alternators don’t required cutout reiny C. Alternators don’t have commutaters D. All of the above
Last Answer : D. All of the above