List of top Questions asked in ICAR AIEEA (PG)- 2023

Consider the following statement(s) for its correctness.
A. Weight transfer involves reduction of soil reaction at front wheels and corresponding increase of soil reaction at rear wheels of tractor
B. Weight transfer involves reduction of soil reaction at rear wheels and corresponding increase of soil reaction at front wheels of tractor
C. Weight transfer is not helpful in 4 wheel drive (WD) tractors
D. Weight transfer is not helpful for 2 wheel drive (WD) tractors
E. Weight transfer is helpful for 2 wheel drive (WD) tractors
F. Weight transfer is helpful for 4 wheel drive (WD) tractors
Choose the correct answer from the options given below:

In which of the following methods the depreciation for any year is taken as a constant percentage of the remaining value at the beginning of that year?

Consider the following statements
A. Effective operating time per hectare is less than the theoretical time per hectare if less than the full rated width is utilized
B. Disc blades sharpened from the concave side penetrate more readily than disk blades sharpened from convex side
C. Scouring occurs as long as the frictional resistance at the soil tool interface is less than resistance at soil-soil interface
D. Small diameter discs penetrate more readily than large discs
Choose the correct answer from the options given below:

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Operating with restrained links rather than free links provides greater tractive ability
Reason R: Operating with restrained links increases the vertical load on the tractor rear wheels.
In light of the above statements, choose the correct answer from the options given below

Which of the following are bulk flow seed metering systems?
A. Flutted roller
B. Inclined plate planter
C. Pneumatic seed metering
D. Internal double run type
E. Stationary opening with agitator
Choose the correct answer from the options given below:

The Indian tractor drivers have suffered more than 70% of spine deformation. This type of deformation occurs due to:
A. Vibration
B. Shock
C. Bad sitting posture
Choose the correct answer from the options given below:

Which of the following term indicates the adaptibility of a particular field to row crop operations?

Transmissibility of vibration intensity from tractor body to driver seat is a function of
A. Damping ratio
B. Chasis frequency
C. Undamped natural frequency of seat
D. Input amplitude of vibration
Choose the correct answer from the options given below:

The handle height of a push-pull type manual weeder for workers with average acromial height of 135 cm need to be

A pair of bullocks exerts 120 kg pull at 30$^\circ$ to the vertical. The speed of ploughing is 1.35 kmph and V-shape furrow having 25 cm width and 10 cm depth is formed. Calculate the horse power developed by the bullocks.

The main drive wheel diameter of a 7$\times$20 cm seed-drill is 140 cm. During calibration, the total weight of grain collected after 20 revolution of drive wheel is 0.154 kg. Calculate the seed rate in kg per hectare for the seed-drill neglecting wheel slippage.

What percentage of incoming solar radiation on earth is reflected back to space?

In hill dropping method of sowing, group of seeds are dropped at

Thermal efficiency of a spark ignition engine increases with the increase of

The minimum water content at which the soil just begins to crumble when rolled into thread of 3 mm in diameter is known as:

The cost of operation of an implement in an area of Y hectare is given by 20 + 15Y, while the revenue from the area is given by 200 + 5Y. What will be the total area of operation by the machine to achieve break even?

Given below are two statements:
Statement I: The lateral pressure exerted by the soil when the retaining wall moves away from the back fill, is generally known as active earth pressure of the soil.
Statement II: Rankine's theory of earth pressure assumes that the back of the wall is vertical and smooth.
In light of the above statements, choose the most appropriate answer from the options given below:

Consider the following statement(s) for its correctness.
A. At neutral axis there is no stress of any kind.
B. Neutral axis of a section always passes through its centroid.
C. Moment of any area about an axis passing through its centroid is equal to zero.
D. According to theory of simple bending, all layers above the neutral axis are subjected to compression.
E. In case of symmetrical section like square, rectangle and circle the neutral axis passes through geometric centre.
Choose the correct answer from the options given below:

Given below are two statements:
Statement I: Continuity equation is based on conservation of mass while Bernoulli’s equation is based on conservation of energy.
Statement II: Bernoulli’s equation is applicable to venturimeter as well as to orifice meter.
In light of the above statements, choose the most appropriate answer from the options given below:

Which of the following corrections are applied to hydrometer readings during sedimentation analysis?
A. Temperature correction
B. Meniscus correction
C. Humidity correction
D. Moisture correction
E. Deflocculating agent correction
Choose the correct answer from the options given below:

A sample of silt clay has a volume of 15.0 $\text{cm}^3$, total mass of 30.0 g, a dry mass of 27.0 g and specific gravity of 2.7. The void ratio will be:}

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Bodies radiate heat at all temperatures
Reason R: Rate of radiation of heat is proportional to the fourth power of absolute temperature
In light of the above statements, choose the correct answer from the options given below:

The assumptions made in derivation of Bernoulli’s theorem are:
A. The fluid is ideal i.e viscosity is zero
B. The flow is steady
C. The flow is incompressible
D. The flow is irrotational
E. The flow is compressible
Choose the correct answer from the options given below:

Given below are two statements:
Statement I: In parallel flow heat exchanger the exit temperature of cold fluid can exceed that of hot fluid.
Statement II: In counter flow heat exchanger the exit temperature of cold fluid cannot be higher than that of hot fluid.
In light of the above statements, choose the most appropriate answer from the options given below:

An engine running at 150 rpm drives a line shaft by means of a belt. The engine pulley is 750 mm diameter and the pulley on the line shaft being 450 mm. A 900 mm diameter pulley on the line shaft drives a 150 mm pulley keyed to a dynamo shaft. The speed of dynamo shaft in rpm will be