Description : An animal drawn seed drill has k number of furrow openers 180mm apart. If the speed of operation is 2.0kmph, the area covered (ha), in 8-11day is given by: A. 1.85/1000k B. 28.8 x 10-2k C. k/6.56 D. 1.762k
Last Answer : B. 28.8 x 10-2k
Description : An animal drawn seed drill has k number of furrow openers 180mm apart. If the speed of the operation is 2.0kmph then the area covered (ha), in 8 hr day is given by: a) 1.85/1000k b) 28.8 * 10-2k c) k/6.456 d) 1.762k
Last Answer : b) 28.8 * 10-2k
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 : Formula for established plant to the seed sown based on the delivery rate (kg/ha) is A. CI=[(E×10000) /(D×W) ]×100 B. CI=[E/(N+E) ]×100 C. Both (A) and (B) D. None of (A) and (B)
Last Answer : A. CI=[(E×10000) /(D×W) ]×100
Description : Application rates for dusters are a.40 kg/ha
Last Answer : a.
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 : Operating pressure of power operated sprayer E. 1-7 kg/cm2 F. 10-20 kg/cm2+ G. 20-55 kg/cm2 H. >55 kg/cm2
Last Answer : G. 20-55 kg/cm2
Description : Operating pressure of the hand operated sprayer is E. 20-55 kg/cm2 F. 1-7 kg/cm2 G. 10-20 kg/cm2 H. >55 kg/cm2
Last Answer : F. 1-7 kg/cm2
Description : The size of a seed rill is expressed by: A. Amount of seed sown per unit time. B. Length x width of the machine. C. Area covered per unit time. D. The number of furrow openers x distance between two furrow
Last Answer : D. The number of furrow openers x distance between two furrow
Description : In a combine harvester the peripheral speed of the cylinder ranges between ________ m/min.
Last Answer : 1200 to 1500
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 : 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 : 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 : 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 : Area covered by forest in Pakistan is _______. A. 5.7 million ha B. 3.2 million ha C. 6 million ha D. 4.2 million ha
Last Answer : ANSWER: D
Description : Volumetric efficiency is affected by (A) Turbulence velocity and temperature of intake manifold (B) Efficiency of exhaust stroke (C) Valve timing overlap (D) All the above
Last Answer : (D) All the above
Description : Rated speed of an engine is the speed at which an engine devlopes (A) Maximum crankshaft torque (B) Maximum brake horse power output (C) Maximum thermal efficiency (D) Maximum drawback pull
Last Answer : (B) Maximum brake horse power output
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 : 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 : 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 : The amount of energy required to produce a given degree of pulverisation depends primarily on a) Soil strength b) Energy utilisation efficiency of tool c) Both (a) and (b) d) None of the above
Last Answer : c) Both (a) and (b)
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 : A dry land weeder covers an area (in hactare) per day (8 hour): A)0.1 b)0.2 C)0.3 c)0.4
Last Answer : b)0.2
Description : A person covered a certain distance by bus at the rate of 40 kmph and walked back to the initial point at the rate of 6 kmph. The whole journey took 13 hours and 48 minutes. What distance did he walk? a) 60km b) 64 km c) 70km d) 72km e) 80 km
Last Answer : Let the distance be x km. then (x/40) + (x/6) = 13 + (48/60) = 69/5 Answer is: d)
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 : 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 : Worm gear are used for transmitting power between two Shaft Inclined at e. At right angle to each other and axes can intersect f. At right angle to each other but axis cannot intersect each other g. At right angle to each other and in different planes h. None of the above
Last Answer : f. At right angle to each other but axis cannot intersect each other
Description : The type of restrained three point linkage system in which the depth of implement is automatically adjusted to maintain a pre selected constant draft is called : E. Automatic draft control system F. Precision control system G. Depth control system H. None of the above
Last Answer : E. Automatic draft control system
Description : Juice extraction capacity of vertical three roller type bullock down sugercane crusher E. 50-70% F. 70-90% G. 90-100% H. 30-50%
Last Answer : E. 50-70%
Description : Length of cut for silage ranges from E. 2-4 cm F. 5-10 cm G. 15-20 cm H. 20-25 cm
Last Answer : E. 2-4 cm
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 : In sprayers , operating pressures below ___________Kpa are undesirable for hydraulic nozzles other than flooding type
Last Answer : 140
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 : 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 : Optimum operating speed of rotavator is a)20-150rpm b)150-350rpm c)350-500rpm d) >500rpm
Last Answer : d) >500rpm
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 : For operating rotavator on trashy soils which tines are better: A L-shaped B.Hook shaped C.Backward curved tip twist blade D.Straight blade
Last Answer : A L-shaped
Description : Differential lock offers advantage of A. Better drawbar pull when drive wheel are under different conditions B. Easier to plant in straight rows C. Reduces stearing effort and side draft when operating with certain implements D. All of the above
Last Answer : D. All of the above
Description : Under a given set of operating conditions, the designer and operator has some control of a)Useful soil resistance b) Parasitic Force c)Draft of implement d) Pull of implement
Last Answer : b) Parasitic Force
Description : Irrigation project covered >10,000 ha of catchments command area (CCA)
Last Answer : Ans.Major irrigation project
Description : is the range of capacity of Vertical Conveyer reaper a) 0.1- 0.5 ha/h b) 0.4-0.6 ha/h c) 10-15 ha/h d) None of the above
Last Answer : 0.4-0.6 ha/h
Description : Capacity of vertical conveyor reaper is A) 0.1-0.9 ha/h B) 10-20 ha/h C) 0.4-0.6 ha/h D) 1-2 ha/h
Description : Anushiya covered a definite distance at some speed. If she had moved 5 kmph faster, she would have taken 55minutes less. If he had moved 4 kmph slower, she would have taken 55 minutes more. What is the distance in km? a) 110 Km b) 220 km c) 330 km d) 440 km
Last Answer : C speed=2V1V2/(V1-V2) = 2*5*4/(5-4) =40 km/hr Distance= vt1 (1+v/v1) =40* 55/60(1+40/5) =40*11/12(1+8) =40*11/12*9 =330 km Therefore the distance is 330km
Description : If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are: (A) Straight (B) Parallel (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : What is the natural frequency of driver sheet suspension a) 0.5-1.5 Hz b) 1.5-4.0 Hz c) 4.0-6.0 Hz d) 4.0-10 Hz
Last Answer : a) 0.5-1.5 Hz