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- Question 1 of 15
##### 1. Question

Identify the INCORRECT statement about the relevance of various dimensionless numbers in transport processes

CorrectIncorrect - Question 2 of 15
##### 2. Question

Select the most appropriate option about boiling and condensation processes as expressed by the statements P, Q and R.

P – The quantities of heat involved in evaporation and condensation of unit mass of fluid are identical

Q – The boiling and condensation of a single compound normally occur isothermally

R – The condensation is achieved at or below dew point and boiling occurs at triple pointCorrectIncorrect - Question 3 of 15
##### 3. Question

With increasing grain height in a deep cylindrical grain bin, the pressure at its base will

CorrectIncorrect - Question 4 of 15
##### 4. Question

The observations recorded in a pulse de-husking operation are:

S. No. Parameters Before de-husking After de-husking

1. Whole (split) kernel content,% 0.5 72.3

2. Broken kernel content, % 0.7 11.2

3. Mealy waste content, % 1.1 16.5

For this operation the effectiveness of wholeness (in decimal) of kernels will be”CorrectIncorrect - Question 5 of 15
##### 5. Question

In a tray drying under adiabatic process, hot air enters the dryer at 50 Celsius dry bulb temperature (DBT) and 10% relative humidity (RH) with enthalpy of 70.2 kJ per kg dry air. The air leaving the dryer gains 20% moisture. Considering saturated water vapour pressure as 12.349 kPa at 50 Celsius DBT, the enthalpy of air leaving the dryer in kJ per kg dry air is

CorrectIncorrect - Question 6 of 15
##### 6. Question

A four-wheel-drive tractor has a static weight of 50 kN with 40% weight on rear axle and 60% on front axle. The wheel base is 2 m. The tractor is pulling a disc harrow that exerts a level drawbar pull at a hitch height of 0.5 m from the ground. During the operation, when the dynamic reaction on

each axle is same, the dynamic traction ratio developed by the tractor isCorrectIncorrect - Question 7 of 15
##### 7. Question

The day length (sunshine hours) on 31st May 2014 at a place in India (26 degree 18’ N, 73 degree 01’ E) will be

CorrectIncorrect - Question 8 of 15
##### 8. Question

A tractor gear box has 8 forward speeds. The speed ratios (number of engine revolutions for one revolution of driving wheel) vary in exact geometrical progression. If the speed ratios in highest and lowest gears are 14.9 and 108.8, respectively, the geometric constant is

CorrectIncorrect - Question 9 of 15
##### 9. Question

A multi-disc clutch has 4 steel discs and 3 bronze discs. The outside and inside diameters of contact surfaces are 250 mm and 180 mm, respectively. The coefficient of friction is 0.3 and axial force is 400 N. Assuming uniform wear, the power in kW that the clutch can transmit at 1000 rpm is

CorrectIncorrect - Question 10 of 15
##### 10. Question

A cultivator with a working width of 1.2 m utilizes 95% of its width due to overlapping while operating at a forward speed of 2 km/h. If the time lost in turning and other interruptions is 50 minutes per hectare, the field efficiency of the cultivator in percent is

CorrectIncorrect - Question 11 of 15
##### 11. Question

A two-row horizontal plate potato planter with 0.6 m ridge spacing has 9 cups on each seed plate of 0.4 m diameter. For each revolution of the ground wheel, the seed plate makes half a revolution.The diameter of the ground wheel is 0.5 m. If the planter uses cut tubers each of 25 g mass, the seed rate in kg/ha is

CorrectIncorrect - Question 12 of 15
##### 12. Question

A 200 m long horizontal pipe carries a discharge of 50 L/s. The centre line of the pipe is 5 m above the datum. The diameter of the pipe tapers from 200 mm to 100 mm. Using g = 9.81 m s–2 and neglecting losses in the pipe, if the pressure at the larger end of the pipe is 100 kPa, the pressure at the other end of the pipe in kPa is

CorrectIncorrect - Question 13 of 15
##### 13. Question

A tile drainage system having 200 mm diameter lateral of 400 m length is used to drain an area with a drainage coefficient of 40 mm. Manning’s roughness coefficient for the drain pipe is 0.01.Drain pipes are laid at 0.3% slope. The spacing of the tile drain in m is

CorrectIncorrect - Question 14 of 15
##### 14. Question

A crop has effective root zone depth of 1200 mm and monthly (30 days) crop evapotranspiration of 260 mm. The effective rainfall during 30 days period is 20 mm. The field capacity and permissible soil moisture depletion (volume basis) are 16% and 8%, respectively. The irrigation interval in days for the crop will be

CorrectIncorrect - Question 15 of 15
##### 15. Question

In a citrus orchard, planting is done at a spacing of 5 m × 5 m. The daily pan evaporation of the orchard is 6 mm. The pan coefficient, wetting factor (crop canopy factor) and crop coefficient are 0.8, 0.6 and 0.6, respectively. Four drippers each of 4 L/h discharge are used to irrigate each plant. The time of operation of drip irrigation system in hours will be

CorrectIncorrect