Description : Compare constant mesh gear box with synchromesh gear box
Last Answer : Sr No. constant mesh gear box synchromesh gear box 1. It has need of double declutching . No need of double declutching as in case of constant mesh gearbox. 2. Problem in ... noisy as helical gears are used. 4. It has more vibration. It has less vibration.
Description : Gears are generally used in the transmission box are ∙ spur gear only ∙ helical gear only ∙ helical and spur gear gears ∙ bevel gears
Last Answer : ∙ helical gear only
Description : In modern car synchromesh gearbox is preferred over constant mesh gearbox. Justify its application with suitable illustration
Last Answer : Reason of synchromesh gear box preferred over constant mesh gearbox 1) No need of double declutching as in case of constant mesh gearbox. 2) Smooth engagement of higher gears due to synchromesh ... lay shaft gears to main shaft gear and then to the main shaft through synchronizer device
Description : Describe working of constant mesh gear box with neat sketch.
Last Answer : Working of constant mesh gear box: A simplified diagram of constant mesh box has been shown in Figure. In this gear box, all gears on the main transmission shaft are constantly connected to corresponding ... In this way by sliding the second dog clutch, second and first gears are obtained.
Description : The average working speed of a hand operated chaff fitted with two knives is _________ rev/min.
Last Answer : 35
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 : 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 : 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 : Spiral gear are used for transmitting power between two shaft Inclined at a. Right angle to each other and axes can intersect b. Right angle to each other and axes cannot intersect c. At angle slightly lesser or greater than 90 of axles can meet d. None of the above
Last Answer : c. At angle slightly lesser or greater than 90 of axles can meet
Description : In an epicycle gear reduction unit, the ratio of the number of teeth of the internal gears to the sun gear is: a) 3:1 b) 4:1 c) 2.5:1 d) 4.5:1
Last Answer : b) 4:1
Description : Recommended capacity of the seed box or hopper for tractor mounted (large size) seed drill is a. 2-10 lit b. 10-60 lit c. 100-150 lit d. 200-300 lit
Last Answer : d. 200-300 lit
Description : Recommended capacity of the seed box or hopper for tractor mounted(small size) seed drill is a. 2-10 lit b. 10-60 lit c. 100-150 lit d. 200-300 lit
Last Answer : c. 100-150 lit
Description : Recommended capacity of the seed box or hopper for animal drawn is a. 2-10 lit b. 10-60 lit c. 100-150 lit d. 200-300 lit
Last Answer : b. 10-60 lit
Description : Recommended capacity of the seed box or hopper for manually operated seeder is a. 2-10 lit b. 10-60 lit c. 100-150 lit d. 200-300 lit
Last Answer : a. 2-10 lit
Description : What can I do to keep my fitted sheet from sliding off of the mattress on my bed?
Last Answer : First, make sure you have the right sized sheet. Then if it is still slidding off try throwing the sheet in the dryer for about 20 minutes it will shrink it and make it more snug to the mattress.
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 : Flooding nozzles are generally operated with (a) Axis vertical (b) Axis horizontal (c) Inclined (d) None of the above
Last Answer : (a) Axis vertical
Description : The type of bearing generally used to support the discs on a standard disc plough is: A. Ball bearing. B. Tapered roller bearing. C. Plain roller bearing. D. Bush bearing.
Last Answer : B. Tapered roller bearing.
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 : Connecting rod generally have A)t-shape b)angle shape C)i-shape d)flst-shape
Last Answer : C)i-shape
Description : A hand pump is usually fitted: a. For ground servicing purposes b. Lowering the landing gear in an emergency c. Pressurising the oleo struts in the air d. Retracting the gear after take-off
Last Answer : a. For ground servicing purposes
Description : In check rowing the seed spacing is a. constant b. continuous c. same as the rows d. none of these
Last Answer : c. same as the rows
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 : Chain drives are stable for a) Constant speed ratio between parallel shafts b) Distance between centre to centre is moderate c) Dirty and dusty environment d) All of the above
Last Answer : d) All of the above
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
Description : Atomization of spray fluid can achieved by : A. discharging the liquid through an orifice under pressure B. by breaking up the jet of liquid by a blast of _____ C. both A & B D. none
Last Answer : C. both A & B
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 : 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 : Closer group spacing and accurate hill spacing is obtained with a) Rotary valve b) Transfer wheel c)Both a & b d)All of the above
Last Answer : c)Both a & b
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 : 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 : Describe with sketch the method of lubrication of synchromesh gearbox
Last Answer : Splash lubrication system : The splash lubricating system is simple to manufacture and implement in synchromesh gearbox. Lay shaft gear revolutions splash up lubricant from the sump to provide adequate ... the gear box 3. Selector mechanism is lubricated by thin machine oil/engine oil
Description : The ridger generally has shaped shares fitted to the frog . A V shaped C U shaped B Both A and C D None of the these
Last Answer : V shaped
Description : Detonation is favoured by a. Low crankshaft speed at full throttle b. .Higher loads c. Both (a) and (b) d. None of the above
Last Answer : c. Both (a) and (b)
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 : Engine power output is a function of A. Crank shaft torque B. Speed C. Both (A) and (B) D. None of the above
Last Answer : Engine power output is a function of A. Crank shaft torque B. Speed C. Both (A) and (B) D. None 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 : 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 implement which can work in offset position a)offset disc harrow b) mower c) both (a) and (b) d) none of the above
Last Answer : c) both (a) and (b)
Description : power of absorbing type hydraulic dynamometer varies as a) cube of rpm b) fifth power of the diameter c) none of the above d) both (a) and (b)
Last Answer : d) both (a) and (b)
Description : Flow rates of particular nozzle is directly proportional to a. square root of pressure b. orifice area c. Both (a) and (B) d. none of the above
Last Answer : c. Both (a) and (B)
Description : An engine is called I or valve in head engine when a) Valve are immediately above the cylinder b) Both valves are on one side c) Both valves are on opposite direction d) None of the above
Last Answer : d) None of the above
Description : ed planting is practiced for row crops in (a) Semi-arid conditions to place seed deep in moist soil (b) High rainfall areas to improve surface drainage (c) Irrigated areas leaving more space for operation of equipments (d) Both (b) and (c)
Last Answer : d) Both (b) and (c)
Description : Seed damage due to cut-off not a problem in (a) Horizontal plate metering mechanism (b) Vertical plate metering mechanism (c) Both (a) and (b) (d) Inclined plate metering mechanism
Last Answer : (d) Inclined plate metering mechanism
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
Last Answer : c) Both (a) and (b)
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
Description : The average spacing of seeds or hills in field is obtained or determined by a) The ratio of linear or peripheral speed of seed pick up units (cells fingers, etc) to the forward speed of the planter b) The distance ... up units (cells) on the metering unit c) Both (a) and (b) d) None of the above
Description : Increasing non grain feed rate increase (a) Cylinder losses (b) Seed damage (c) Both (a) and(b) (d) None of the above
Last Answer : (a) Cylinder losses
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