Description : Formula for adding weight (ballast) on tractor tyres working in loose wet soil for good traction a)(km/hr × kg/PTO kw)=540 b)( km/hr × kg/PTO kw)=670 c)( km/hr × kg/PTO HP)=540 d)( km/hr × kg/PTO HP)=670
Last Answer : a)(km/hr × kg/PTO kw)=540
Description : Suggested or recommended difference in mass to power ratio between ballasted and unballasted tractor is of the order a)10kg/PTO KW b)6kg/PTO kw c)20kg/PTO kw d)30kg/PTO kw
Last Answer : b)6kg/PTO kw
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
Description : .308- Life expectancy of V-belt in farm machinery is about.... (a) 200-500 hrs (b) 1000-2000 hrs (c) 2000-5000hrs (d) 5000-10000hrs
Last Answer : (b) 1000-2000 hrs
Description : Weight per unit of drawbar power is generally ranges between a)50-120kg/kw b)120-150kg/kw c)150-250kg/kw d)250-300kg/kw
Last Answer : a)50-120kg/kw
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 : Spiral gear Is used to transmit power between two shafts place at: a)An angle to each other b)In different planes c)Both(a)and(b) d)None of the above
Last Answer : c)Both(a)and(b)
Description : In a 2 kW, 200 V, 1000 rpm. DC series motor the torque at full load was found to be 0.3 N -m. The torque at half full load in N -m is :
Last Answer : In a 2 kW, 200 V, 1000 rpm. DC series motor the torque at full load was found to be 0.3 N -m. The torque at half full load in N -m is : 0.075
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 : The product of antenna input power and the antenna power gain expressed in kW is called __. A. Effective Radiated Power (ERP) B. Effective Isotropic Radiated Power (EIRP) C. Radiated Power D. Transmit Power
Last Answer : A. Effective Radiated Power (ERP)
Description : How many units of electricity per hp per hour is used by electric motor: A)0.44 b)0.66 C)0.88 d)1.10
Last Answer : C)0.88 d
Description : the time taken to plough one acre farm with 35 hp tractor is : A)60 minutes b)75 minutes C)90 minutes d)120 minutes
Last Answer : b)75 minutes
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 : Average pull developed by a pair of bullocks (a) 1/10 of their body weight (b) Equal to bosey weight (c) 1/2 of their body weight (d) None of the above
Last Answer : (a) 1/10 of their body weight
Description : illage tool moving with uniform velocity is subjected to A)force of gravity. B)pull of power source C)soil reaction. D)all of the above
Last Answer : D)all of the above
Description : Total force exerted upon the implement by a power unit called a)pull. B) draft C)side draft. D)unit draft
Last Answer : a)pull
Description : Horizontal component of pull perpendicular to the line of motion is called: A.Draft B.Side draft C.Transerve component D. Pull
Last Answer : B.Side draft
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 : Force ( including rolling resistance friction ) that acts upon the stabilising surfaces such landslide and sole of bottom are called a) Useful soil resistance b) Parasitic force d) Draft of implement. d) Pull of implement
Last Answer : b) Parasitic force
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 : A Tillage implement moving at a constant velocity is subjected to a) Force of gravity b) Soil force (resistance) c) Pull of mower d) All of the above
Last Answer : d) All of the above
Description : Which of the following statements is correct concerning the motor performance curves and data table shown in the illustration? EL-0006 A. The motor RPM at full load is 1737 RPM. B. The motor draws 12.62 kw ... If the motor was developing 10 HP its power factor would be 0.92. D. All of the above.
Last Answer : Answer: D
Description : Function of idler pully are a. to increase the angle of contact of belt on pully b. maintain belt tension as belt stretches c. canter to centre distance remain same d. all the above
Last Answer : d. all the above
Description : Belt Tension can be adjusted by a. idler pulley b. slide rails c. tilting plate drive d. all the above
Description : Tension on the slack side in chain drive is A)more than on tight side. B)less than on tight side. C)zero. D)equal to tight
Last Answer : C)zero
Description : Desired tension in an open belt drive system can be maintained (without changing center to center distance between two pulley)by using A)ldler pulley. B)slide rail C) Tilting angle. D)none of the above
Last Answer : A)ldler pulley
Description : Smaller tension ratio result in.... (a) Unnecessary high tension in belt (b) Reduction in belt life (c) Both (c) & (b) (d) Excessive belt slippage
Last Answer : (c) Both (c) & (b)
Description : 310- Larger tension ratio result in... (a) Unnecessary high tension in belt (b) Reduction in belt life (c) Excessive belt slippage (d) Increase belt life
Last Answer : (c) Excessive belt slippage
Description : Tension on slack side in case of chain drive a) Lesser than on tight side b) Greater than on tight side c) Zero d) Equal to that on tight side
Last Answer : c) Zero
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 : A traction fitted with diesel engine will have good slogging ability as lugging ability if it has a reserve of a.500 rpm d.200 rpm c.300 rpm e.1000 rpm
Last Answer : a.500 rpm
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 : peed of a high speed engine is (a) 1000rpm (d) none of the above
Last Answer : (c) >1000rpm
Description : peed of a medium speed engine is (a) 1000rpm (d) none of the above
Last Answer : (b) 350-1000 rpm
Description : Speed of a low speed engine is (a) 1000rpm (d) none of the above
Last Answer : (a)
Description : Crank speed on the mower with dynamically balanced systems a)850-1000rpm. b)1000-1200rpm c)850-1150rpm. d)1200-1600rpm
Last Answer : b)1000-1200rpm
Description : rank speed on the mower with conventional pit man drive is a)850-1000 rpm b)1000-1200rpm c)800-1150rpm d)1200-1600 rpm
Last Answer : a)850-1000 rpm
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 : Lewis formula is used in the design of a) gears b) clutch c) chain drive d) belt drives
Last Answer : a) gears
Description : Length of open belt is given by formula a. L=[2C+( 2) (DI+D2)] + [ /4C] b. L=[2C+( 2) (DI+D2)] + [ /4C] c. L=[2C+( 2) (DI+D2)] + [ ] d. L=[2C+( 2) (DI D2)] + [ ]
Last Answer : a. L=[2C+( 2) (DI+D2)] + [ /4C]
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 : V -belt are most suitable for a. less space requirements b. use with adjustable pulley foe speed change c. both (a) and (b) d. none of the above
Last Answer : c. both (a) and (b)
Description : One of the main advantages of disc brakes over drum brakes is that the disc brake : U. Can stop a vehicle in a shorter distance V. Is more heat resistant W. Weighs less than drum brakes X. Requires less pedal force to stop the vehicle
Last Answer : . Requires less pedal force to stop the vehicle
Description : When V-belt drive is used a safety device, its performance is affected by a) Variation in belt tention b) Increase in coefficient of friction as belt slippage increase c) Both (a) and (b) d) None of the above
Last Answer : c) Both (a) and (b)
Description : When frequency of occurrence of overload is less and magnitude of overload is also less than safety device used is a) Safety jump clutch b) Shear device c) Frictional device d) V-belt drive
Last Answer : a) Safety jump clutch
Description : When frequency of occurrence of overload is less but the mangnitude of overload is large than safety device used is: a) Safety jump clutch b) Shear device c) Frictional device d) V-belt drive
Last Answer : b) Shear device
Description : V-belt drive transmission system is used when it is designed to achieve a) High speed ratio b) Space requirements are limited c) Both (a) and (b) d) None of the above