a) Sod or breaker b) Slat c) Stubble d) General purpose Answer: c Explanation: Stubble type’s relatively ...
View QuestionWhich primary tillage operation is performed to cut, break and invert the soil partially or completely?
a) Ploughing b) Winnowing c) Threshing d) Harrowing Answer: a Explanation: The main implement for primary tillage ...
View QuestionWhich classification of tillage involves initial major soil working operation?
a) Secondary tillage b) Primary tillage c) Tertiary tillage d) Primary & Secondary tillage Answer: b Explanation: ...
View QuestionFind the gear ratio of a tractor of its final drive of tractor has 1.2 m tractor wheel and forward speed of 5km/h. When engine is running at 1000 rpm if reduction in transmission is 3:1
a) 4.3:1 b) 3.3:1 c) 2.3:1 d) 5.3:1 Answer: a Explanation: Actual speed of tractor (va) = ...
View QuestionIf it desired to obtain 160 kgm torque at the transmission output shaft, what gear ratio would be necessary if transmission efficiency is 96% and the input torque is 15 kg m?
a) 1:10 b) 1:11 c) 1:12 d) 1:13 Answer: b Explanation: Torque at transmission input shaft = ...
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A tractor has the following specifications:
i) Engine speed = 2000 rev/min
ii) Rear wheel diameter = 115 cm
iii) Travel speed = 3 km per hour
What will be the ratio between crankshaft speed and rear axle speed?
A tractor has the following specifications: i) Engine speed = 2000 rev/min ii) Rear wheel diameter = 115 ...
View QuestionA tractor has belt speed of 1000 m/min at normal engine speed. A feed mill has a recommended speed of 2100 rev/min. Find the size of pulley, needed on the Feed mill.
a) 14.28 cm b) 12.14 cm c) 19.11 cm d) 15.16 cm Answer: d Explanation: Belt speed ...
View QuestionThe width of belt is 15 cm and maximum tension per cm width is not to exceed 12 kg. T1/T2=2.25. Diameter of driver=1m and it makes 220 rpm. Find the horse power that can be transmitted.
The width of belt is 15 cm and maximum tension per cm width is not to exceed 12 ...
View QuestionA 2-wheel drive 35hp tractor has 1.5 rear wheel diameter. The engine runs at 1200 rev/min. the total reduction of speed is 30:1. Find the travelling speed of the tractor in km/h and the tractive force at each driving wheel.
A 2-wheel drive 35hp tractor has 1.5 rear wheel diameter. The engine runs at 1200 rev/min. the total ...
View QuestionWhile turning a 4-wheel tractor equipped with the Ackermann steering mechanism the axis of the inner front wheel makes an angle of 45°, whereas the angle made by the axis of the outer front wheel is 30° with horizontal line parallel to the front axle. The kingpins of the axle are 1300 mm apart. The spindle genths are essentially zero. What should be the wheel base of the tractor if there is no slippage of any of the wheels?
a) 1886.78 mm b) 1775.83 mm c) 1336.59 mm d) 2000.01 mm Answer: b Explanation: Cot ...
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