Smaller tension ratio result in....
(a) Unnecessary high tension in belt
(b) Reduction in belt life
(c) Both (c) & (b)
(d) Excessive belt slippage

1 Answer

Answer :

(c) Both (c) & (b)

Related questions

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 : 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 : 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 : 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 : 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

Last Answer : d) All of the above

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

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 : 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

Last Answer : c) Both (a) and (b)

Description : A slat mould board scours better than a solid mould board because of smaller contact area resulting in a) Reduction of adhesive force b) Increase in soil pressure c) Both (a) and (b) d) None of the above

Last Answer : c) Both (a) and (b)

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 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 : 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 : Needle bearing a roller bearing having a number of smaller diameter roller is well suited to a) Application involving oscillating motion b) Exceptionally high load capacity application at low peripheral speed c) Both (a) and (b) d) None of the above

Last Answer : c) Both (a) and (b)

Description : Rotary tillers are characterized by a) Lower and negative draft b) High power requirement c) Excessive pulverization d) All the above

Last Answer : d) All the above

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 : 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 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 : Rotary tiller are wide adopted in rice cultivation due to a) Excessive pulverization b) Suitability for pudding paddy field c) Reduced draft requirement d) Complete inversion of soil

Last Answer : b) Suitability for pudding paddy field

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 : 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 : 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 : 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 : 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 : Puddling is done to achieve : a. Soft soil bed b. Non leaching of water c. Size reduction of clods d. Conservation of moisture

Last Answer : b. Non leaching of water

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 : 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 : 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 : Which of the following categories of medications may result in seizure activity if withdrawn suddenly? a) Tranquilizers Abrupt withdrawal of tranquilizers may result in anxiety, tension, ... may cause excessive respiratory depression during anesthesia due to an associated electrolyte imbalance.

Last Answer : a) Tranquilizers Abrupt withdrawal of tranquilizers may result in anxiety, tension, and even seizures if withdrawn suddenly.

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

Last Answer : c) Both (a) and (b)

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 : tractors are generally fitted with: A)sliding mesh gear box B)constant mesh gear box C)both (a) & (b) D)synchromesh gear box

Last Answer : A)sliding mesh gear box

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 : 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 : 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 : .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 : Increase in grain/non grain ratio on the straw Walker losses (a) Decrease (b) Increases (c) Unltered (d) None of the above

Last Answer : (b) Increases

Description : Stroke bore ratio for tractor engine is (a) 1.25 (b) 1.45 (c) 1.75 (d) 2.00

Last Answer : (a) 1.25

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 : 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 in grain/non-grain ratio on the straw walker, _____the straw walker losses a) Decrease b) Increase c)Unaltered d) None of the above

Last Answer : b) Increase

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 : Thermal pollution due to excessive heat & temperature in the working place causes (A) Reduction in working efficiency of manpower (B) Fatigue (C) High breathing rate (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

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 : 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 : Unnecessary and frequent applications of varnish to the generator windings to repair defective insulation will result in ____________. A. heavy coatings of varnish interfering with heat dissipation B. ... of the rectifier assembly D. a built-up of varnish without changing generator operation

Last Answer : Answer: A

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