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 : 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 : The cutter bar of a tractor operated mower ordinarily makes: A. Near the front axis B. 40mm towards the real axis C. At the power take off shaft D. Between the two lower Links
Last Answer : D. Between the two lower Links
Description : The cutter bar of a tractor operated mower ordinarily makes: A. 800-1200 strokes/min B. 1600-2000 strokes/min C. 2400-2800 strokes/min D. 3200-3600 strokes/min
Last Answer : A. 800-1200 strokes/min
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 : 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 : A cylindrical drum of 15cm radius and 70cm height is full of water. The water is emptied into a rectangular tank 225cm long and 70cm wide. Find the height of water level in the tank. a) 3.5cm b) 2.25cm c) 3.142cm d) 1.57cm
Last Answer : c) 3.142cm
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 : 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 : 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 : .The number of knives on powered chaff cutter a) 2-6 b) 1-2 c) 5-10 d) 10-20
Last Answer : a) 2-6
Description : eripheral velocity of impact cutter is about: A.50m/sec B.20m/sec C.10m/sec D.5m/sec
Last Answer : A.50m/sec
Description : Speed of power operated machine chaff cutter is E. 35 rpm F. 50 rpm G. 600-1000 rpm H. None of the above
Last Answer : G. 600-1000 rpm
Description : Speed of band operated machines chaff cutter having two knives F. 35 rpm G. 50 rpm H. 600 rpm I. 1000 rpm
Last Answer : F. 35 rpm
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 : nging the speed of feed mechanism (b) The number of knives on feed mechanism (c) Changing speed of cutter head (d) All of the above
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 : 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 : Which one of the below is a multipurpose tool a) Indigenous plough b) Cultivator c) Multipurpose tool bar carrier d) M.B plough
Last Answer : c) Multipurpose tool bar carrier
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 : The mechanical cleaning of sugar cane is done due to A. The different in the peripheral velocity of rollers B. Rough surface provided Or the outer surface of rollers C. Blow of air which forces the extraneous material out of the machine D. All of the above
Last Answer : D. All of the above
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 : 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 : 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 utilises (a) Rasp bar cylinder (b) Spike tooth cylinder (c) Hammer mill cylinder (d) Peg tooth cylinder
Last Answer : (b) Spike tooth cylinder
Description : .Fandem wheels are preferred over dual wheels because a) they tends to reduce load on an area by50% b)they tends to reduce soil contact pressure c)reduces sub soil compact ness pressure d)none of the above
Last Answer : a) they tends to reduce load on an area by50%
Description : Dual wheels have disadvantage of a)reducing soil contact pressure and sub soil compact negative pressure b) concentrating load over an area c)reduces load on area by 50% d) none of the above
Last Answer : b) concentrating load over an area
Description : Registration of a cutter bar means a) Centre of knife must stop in the centre of guard on each stroke b) Centre of knife should be ahead of guard c) Centre of knife should be behind the guard d) Centre of knife should be at the end of the guard
Last Answer : ans a
Description : It is always provided on each end of the cutter bar to regulate the height of cut and to provide easy and smooth sliding of the cutter bar on the land. b. Plate c. pitman d. None of above
Last Answer : Ans- b. shoe
Description : A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius of the bowl is 5cm. Find the outer curved surface of the bowl. -Maths 9th
Last Answer : Inner radius of hemispherical bowl = 5cm Thickness of the bowl = 0.25 cm Outer radius of hemispherical bowl = (5+0.25) cm = 5.25 cm Formula for outer CSA of hemispherical bowl = 2πr2, where r is radius of ... 22/7) (5.25)2 = 173.25 Therefore, the outer curved surface area of the bowl is 173.25 cm2.
Description : Find the magnetic field intensity at the radius of 6cm of a coaxial cable with inner and outer radii are 1.5cm and 4cm respectively. The current flowing is 2A. a) 2.73 b) 3.5 c) 0 d) 1.25
Last Answer : c) 0
Description : A cantilever of length 3 m carries a uniformly distributed load over the entire length.If the deflection at the free end is 40 mm,find the slope at the free end. a.0.0115 rad b.0.01777 rad c.0.001566 rad d.0.00144 rad
Last Answer : b.0.01777 rad
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 : Connecting rod of two stroke engine is subjected to A. Compressive load B. Tensile load C. Both compressive and tensile load D. None of the above
Last Answer : A. Compressive load
Description : Connecting rod of four stroke engine is subjected to A. Compressive load B. Tensile load C. Both compressive and tensile load D. None of the above
Last Answer : C. Both compressive and tensile load
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 : Needle bearing a roller bearing having a number of smaller diameter roller is well suited to a) Application involving oscillating motion b) Exceptionally high load capacity application at low peripheral speed c) Both (a) and (b) d) None of the above
Last Answer : c) Both (a) and (b)
Description : The method which depreciates the tractor or machine to zero at the end of its expected life is known as: A. Estimated value B. Sum-of-the digits C. Declining balance D. Straight line
Last Answer : D. Straight line
Description : Variation in the drop size of seed can be minimised by (a) Using a short, smooth, small diameter tube with the discharge end close to bottom of furrow. (b) Discharging the seed directly from ... (c) Mechanically transferring the seeds from the metering unit in the furrow. (d) All of the above.
Last Answer : d) All of the above.
Description : Tapper roller bearing are used in disc harrow because a) It can take heavy radial loads b) It can take both radial as well as end thrust c) It can operate effectively at low speed and in contact with dirt d) Both (b) and (c) are true
Last Answer : d) Both (b) and (c) are true
Description : gnition delay is defined as the A)time between start of fuel injection and ignition of fuel B)time between end of fuel injection and ignition of fuel C)time between start of ignition and tdc D)time between completion of ignition and bdc
Last Answer : A)time between start of fuel injection and ignition of fuel
Description : In a combine harvester the peripheral speed of the cylinder ranges between ________ m/min.
Last Answer : 1200 to 1500
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 : 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 : 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 : Piston speed for high speed engine is (a) 300-500 m/min (b) 100-300 m/min (c) 500-700 m/min (d) >700m/min
Last Answer : (a) 300-500 m/min