List of top Agricultural Engineering and Technology Questions asked in ICAR AIEEA (PG)

Assertion A: Solar pond is an artificially constructed water pond in which significant temperature rise occurs in lower region.
Reason R: The salinity gradient (salt-slope) gives pond a vertical density difference creating a non-convecting environment.
In light of the above statements, choose the most appropriate answer from the options given below:

The functions of flywheel are:
A. To absorb excess energy during the power stroke
B. To provide extra energy over and above that developed by the engine
C. To serve sometimes as a pulley for transmitting engine power
D. To control the operation of cam shaft
E. To connect crankshaft with the final drive
Choose the correct answer from the options given below:

Assertion A: In a seed drill with fluted roller metering mechanism, the number of fluted rollers is same as the number of furrow openers.
Reason R: Fluted roller maintains the spacing between the seeds in a row.
In light of the above statements, choose the most appropriate answer from the options given below:

In hydrometer method of sedimentation analysis, which correction is always negative?

D\(_{10}\) in soil mechanics represents that:

The ratio of the net pull produced to the dynamic normal load on the traction device is known as:

The tractor tyre of:
A. Radial-ply type improves coefficient of traction
B. Radial-ply type improves tractive efficiency
C. Radial-ply type is advantageous for soft soil
D. Bias-ply type works good on highways
E. Bias-ply type is suitable for soft soil
Choose the correct answer from the options given below:

In a 4-bar linkage, if the lengths of shortest, longest and other two links are denoted by s, l, p and q, then it would result in Grashof's linkage provided

A weight lifting machine is used to lift a load of 70 kg through 30 cm distance. If 30 kg load is applied to move a distance 100 cm, find efficiency of the machine.

If 80 kg MB plough is pulled by a horizontal force of 46 kg, find the angle of friction between plough body and horizontal surface.

Amount of heat required to change unit mass of substance from one phase to another phase is known as:

Density index or relative density is defined as

Given below are two statements
Statement I: The stage at which the change of shape of material becomes more rapid than the increase of force is called 'yield point'.
Statement II: After yield point the change of shape is permanent
In light of the above statements, choose the most appropriate answer from the options given below

A beaker is filled with water at 4° C. One time temperature is increased by few degrees above 4° C and another time it is decreased few degrees below 4° C. One shall observe that

Match List I with List II

List I & List II
A. Conduction & I. Stefan-Boltzmann Law
B. Convection & II. Fick's Law
C. Radiation & III. Newton's law of cooling
D. Mass Transfer & IV. Fourier Law

Choose the correct answer from the options given below:

The correct relationship between Pecklet number (Pe), Reynold number (Re), Prandtl number (Pr), Rayleigh number (Ra) and Grashoff number (Gr) is

Given below are two statements
Statement I: Pump coverts mechanical power to fluid power and actuator converts hydraulic power to mechanical power
Statement II: Hydraulic cylinder provides rotary mechanical power and hydraulic motor provides linear mechanical power
In light of the above statements, choose the most appropriate answer from the options given below

When two pulleys of different diameters are connected by means of an open belt drive, then the angle of contact taken into consideration should be of the

On a cold morning, a metal surface on touching is felt colder than a wooden surface because the metal has

11001 in binary system corresponds to following number in decimal system

Which of the following parts of DC motor can sustain maximum temperature rise?

Match List I with List II

List I & List II
A. Precision & I. Maximum distance or angle through which any part of mechanical system may be moved without causing motion of next part
B. Drift & II. Smallest increment in measurand that can be detected with certainty by instrument
C. Resolution & III. Gradual departure of the instrument output from the calibrated value
D. Backlash & IV. The ability of device to give identical output on repetition of same input signal

Choose the correct answer from the options given below:

Cold air at 10°C is forced to flow over a plate maintained at 40°C. The mean heat transfer coefficient is (\(h_m\)= 30 W/m²·°C). The heat flow rate from plate to air through a plate area of A=2 m² will be

The value of integral \( \int (7x^6 + 1) dx \) is

Find the value of \( \frac{d(\tan x){dx} \)}