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 : Belt Tension can be adjusted by a. idler pulley b. slide rails c. tilting plate drive d. all the above
Last Answer : d. all the above
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 : Lewis formula is used in the design of a) gears b) clutch c) chain drive d) belt drives
Last Answer : a) gears
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 : 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 : 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
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 : 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 : 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 : Center of resistence of a mould board plow less at distance equal to A. 1/4th the size of plow from the share wing B. 3/4th the size of plow from the share wing C. 2/3th the size of plow from the share wing D. 1/3th the size of plow from the share wing
Last Answer : B. 3/4th the size of plow from the share wing
Description : In comparison to jump clutchs, advantages of the friction safety clutches is/are a) More consistent break away torque b) No damageing peak during slippage c) Protecting a drive from high freuency peak torque (2-3 time normal values) d) All of the above
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 : 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 : Hook link chains are a)suitable for external drive exposed atmosphere b)made of meabble iron c)used where power requirement is low and speed is low d)All of the above
Last Answer : d)All 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 : 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 : 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 : Swinging drawbar is advantageous because it help A. Taking short turn with machine wider than the tractor B. Reduces side draft C. Leaves only small area uncovered at corner of the fied D. All the above
Last Answer : A. Taking short turn with machine wider than the tractor
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 : .The land side of a mould board plough is made of: A. Malleable iron B. Forged steel C. C45 steel D. Soft Centre steel
Last Answer : D. Soft Centre steel
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 : 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 : Back furrow is caused while plowing is done (a)center to side (b) side to center (c)one way plowing. (c) none of the above
Last Answer : a)center to side
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 : At smaller disc angles , the draft tends to increase in disc plough because of a) Greater contact area between furrow wall and the convex side of the disc b) Increase in the side draft c) Greater throw of the soil d) All of the above
Last Answer : a) Greater contact area between furrow wall and the convex side of the disc
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 : 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 : Transplanter using soil bearing seedlings are more popular than washed root seedling transplanter because of a) less labour requirement b) lesser plant missing percentage c) higher work rates d) all of the above
Last Answer : d) all of the above
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 : Scouring will occur as long as a) Frictional resistance at soil tool interface is less than the resistance at parallel soil-soil inter face b) Frictional resistance at soil tool interface is more than ... c) Soil-metal friction is more than angle of soil shearing resistance d) None of the above
Last Answer : a) Frictional resistance at soil tool interface is less than the resistance at parallel soil-soil inter face
Description : In an offset disc harrow the angle between two gang is a) less than 90 degree b) 90 degree c) greater than 90 degree d) 180degree
Last Answer : a) less than 90 degre
Description : n single action disc harrow the two gangs are at set single a) less than 90 degree b) at 90 degree c) greater than 90 degree d) at 180 degree
Last Answer : c) greater than 90 degree
Description : In a horizontal plate type planter maximum obtainable value of cell fill is : A.Greater then 100% B.Less than 100% C.200% D.None of the above
Last Answer : A.Greater then 100%
Description : Flat bat reels are widely used because :- a) This works well in lodged crop b) This is simpler and less expensive than pick up reels C) This works well in upright crops d) Both (b) and (c)
Last Answer : d) Both (b) and (c)
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 : owest specific energy requirement for the operation of rotavator is about _______ times as great as a mould board plough working in the same soil. a) Equal b) Twice c) Three d) Four
Last Answer : c) Three
Description : .Increase the grain/non grain ratio on the shoe tends to the shoe losses (a) Decreases (b) Increases (c) Decrease or increase (d) Equal
Last Answer : (d) Equal
Description : .Incresase amount of the non grain material on the straw Walker the walker (a) Decrease (b) Increase (c) Unaffected (d) Equal
Last Answer : b) Increase
Description : Increasing the grain/non-grain ratio on shoe tends to _________ the shoe losses a) Decrease b) Increase c)Decrease or increase d) Equal
Last Answer : c)Decreas
Description : Increase amount of non-grain material on the straw walker _______ the walker losses a) Decreases b) Increases c) Unaffected d) Equal
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 : 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 : 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 : Pick up the correct statement from the following: (A) The difference of latest occurrence time and earliest expected time, is called slack (B) The activities connecting the events having zero slack, lie on the critical path (C) The critical path consumes the maximum time (D) All the above
Last Answer : (D) All the above
Description : In sprayers , operating pressures below ___________Kpa are undesirable for hydraulic nozzles other than flooding type
Last Answer : 140
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