Description : Lewis formula is used in the design of a) gears b) clutch c) chain drive d) belt drives
Last Answer : a) gears
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 : .In case of a hollow shaft the average torsional energy/unit volume is given by a. (τ2/4C) x (D2+d2/D2) b. (τ2/C) x (D2+d2/D2) c. (τ2/4C) x (D+d/D2) d. (τ/C) x (D2+d2/D2)
Last Answer : a. (τ2/4C) x (D2+d2/D2)
Description : During which phase(s) of cell cycle amount of DNA in a cell remains at 4C level if the initial amount is denoted an 2C
Last Answer : During which phase(s) of cell cycle amount of DNA in a cell remains at 4C level if the initial amount is denoted ... Only `G_(2)` D. `G_(2)" and M`
Description : During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C? (a) G0 and G1 (b) G1 and S (c) Only G2 (d) G2 and M
Last Answer : (c) Only G2
Description : Blockade of both dopamine D2 and serotonin 5-HT2A/2C receptors is a distinctive feature of: A. Pimozide B. Haloperidol C. Ketanserin D. Clozapine
Last Answer : D. Clozapine
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 : 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 : Slip of belt is responsible for A. Reduction is speed B. Reduction in power C. Reduction in belt life D. All of the above
Last Answer : D. All of the above
Description : What is the value for centrifugal torque for maximum power transmission in belt drives a) ½ maximum torque b) 2/3 maximum torque c) ¾ maximum torque d) None of the above
Last Answer : d) None of the above
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 : 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 : .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 : 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
Description : A compound pipe of diameter d1, d2 and d3 having lengths l1, l2 and l3 is to be replaced by an equivalent pipe of uniform diameter d and of the same length (l) as that of the compound pipe. The size of the equivalent pipe is given by (A) l/d² = + + (B) l/d³ = + ) + (C) = + + (D)
Last Answer : Answer: Option D
Description : 18.The total extension of a taper rod of length ‘L’ and end diameters ‘D1’ and ‘D2’, subjected to a load (P), is given of a. 4PL/ΠE. D1D2 b. 3PL/ΠE. D1D2 c. 2PL/ΠE. D1D2 d. PL/ΠE.D1D2 Where E=Young’s modulus of elasticity
Last Answer : a. 4PL/ΠE. D1D2
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 : 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 : What Is The Formula To Find Out The Length Of A Belt In An Open Belt Drive?
Last Answer : L = 2C + 1.57 (D + d) + (D-d)2 /4C
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 : 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 : 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 : The sound level of an agricultural tractor should not exceed : I. 110 dB J. 100 dB K. 90 dB L. 80 dB
Last Answer : K. 90 dB
Description : High speed diesel A) is used on high speed engine B) has lower fule value then l.s.d per litre. C)both (a) & (b) D)none of the above
Last Answer : C)both (a) & (b)
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 : 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 : 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 : Given that - `2C(s)+2O_(2)(g)rarr 2CO_(2)(g) Delta H = -787 KJ` `H_(2)(g)+ 1//2O_(2)(g)rarr H_(2)O(l) Delta =-286 KJ` `C_(2)H_(2)(g)+(5)/(2)O_(2)(g)ra
Last Answer : Given that - `2C(s)+2O_(2)(g)rarr 2CO_(2)(g) Delta H = -787 KJ` `H_(2)(g)+ 1//2O_(2)(g)rarr H_(2) ... 1802` KJ B. `-1802` KJ C. `-800` KJ D. `+237` KJ
Description : Formula for average service life of belt at a given speed is a) Life(hrs)= [ Belt length (mm)/ Total fatique rates]*100 b) Life(hrs)=[Total fatique rates / Belt length (mm)]*100 c) Life(hrs)=[Belt length (m)/ Total fatique rates]*100 d) None of the above
Last Answer : a) Life(hrs)= [ Belt length (mm)/ Total fatique rates]*100
Description : .Increase length of a land slide of a one bottom right hand mould board plough will a) Increase the amount of offset on tractor b) Decrease the amount of offset c) No affect d) Affect Completely
Last Answer : c) No affect
Description : The purpose of registration in a mower is (A) to get uniform length of cut of grass (B)to run the mower at minimum power (C)to run the mower at uniform torque (D)to reduce the occurrence of overload
Last Answer : (B)to run the mower at minimum power
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 : pecific energy requirement of rotary tillers can be reduce by a) Increasing the bite length b) Decreasing depth to diameter ratio c) Both (a) and (b) d) Excessive reduction in total power requirement
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 : Dynamic similarity between the model and prototype signifies similarities of a) Motion b) Force c) Length d) None of the above
Last Answer : b) Force
Description : Kinematic similarity between the model and prototype signifies similarities of a) Motion b) Force c) Length d) None of the above
Last Answer : a) Motion
Description : Geometric similarity between the model and prototype signifies similarities of a) Motion b) Force c) Length d) None of the above
Last Answer : c) Length
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 : Dead furrow open furrow is called when plowing is done by (a) Center to side (b) side to center method (c) one way plowing (d) none of the above
Last Answer : (b) side to center method
Description : In an L-C circuit shown in figure C=1F, L=4H At time t=0, charge in the capacitor is 4C and it is decreasing at a rate of `sqrt5 C//s` Choose the corr
Last Answer : In an L-C circuit shown in figure C=1F, L=4H At time t=0, charge in the capacitor is 4C and it is ... a and b are correct D. Both a and b are wrong
Description : The expression for the inductance in terms of turns, flux and current is given by a) L = N dφ/di b) L = -N dφ/di c) L = Niφ d) L = Nφ/i
Last Answer : a) L = N dφ/di
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 : 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
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 : o over come the rear ward deflection the load given to outer end of the cutter bar is about..... (a)1.57cm/m (b) 2.0cm/m (b)3.0cm/m (d) 3.5cm/m
Last Answer : b) 2.0cm/m