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

The main causes of soil erosion can be:
A. destruction of natural protective cover
B. change of climate
C. increase of wind speed
D. improper use of land
Choose the correct answer from the options given below:

The reagents of Cation Exchange Capacity are:
(A) Sodium Acetate (1N)
(B) Ammonium Acetate (1N)
(C) Isopropyl alcohol(90%)
(D) The sodium bicarbonate
Choose the correct answer from the options given below:

The selection of a particular method of water spreading depends upon factors like:
(A) topography
(B) slope
(C) crop
(D) soil type
(E) land use and land cover
Choose the correct answer from the options given below:

Water distribution efficiency has got identical similarity with that of:

The seasonal water requirement of rice, sugarcane and jute crop are in the sequence of:

Effective root zone depth of rice, wheat, maize and sugarcane are in the sequence of:

Given below are two statements: Statement (I): The Parshall flume consists of three parts, namely, a converging section on the upstream end, a constricted section known as throat and a diverging section on the downstream side. Statement (II): The floor of the converging section is level, the floor of the throat inclines upward and the floor of the diverging section slopes downward. In light of the above statements, choose the most appropriate answer from the options given below:

According to Doorenbos and Pruitt, the Blaney-Criddle formula is not suitable for use in: (A) Equatorial regions where temperatures remain fairly constant, but other weather parameters change, (B) Large islands where air temperature is affected by the surrounding sea temperature showing little response to seasonal change in radiation, (C) High altitude where daytime radiation is practically independent of night temperature, (D) Climates with a high variability in sunshine hours during transition months, (E) Blaney-Criddle method should normally be applied for periods not greater than one month period. Choose the correct answer from the options given below:

The specified range of soil moisture tension at field capacity is

Which terminology defines the ratio between the irrigated area and the quantity of water used

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : In attrition mill, overfeeding lowers the grinder performance.
Reason (R) : The fineness of grinding in attrition mill is controlled by the type of plates and the gap between them.
In light of the above statements, choose the most appropriate answer from the options given below.

In an evaporation, the steam consumption is 2000 kg/h for the evaporation of 1500 kg/h of water. The economy of the evaporator is:

Which among the following methods are used for determination of moisture content of agricultural produce
(A) Brown-Duvel fractional distillation method
(B) Dielectric method
(C) Chemical method
(D) Infra-red method
Choose the correct answer from the options given below:

Major composition of biogas is:

The process of seed conditioning includes -
(A) Application of fungicides and insecticides
(B) Increasing moisture content of seed by 2-3%
(C) Upgrading - eliminating poor quality seed
(D) Separation of contaminants
Choose the correct answer from the options given below:

If 500 kcal of heat is removed from 5 tons of potatoes having specific heat of 0.1 kcal/kg \(^{\circ}\text{C}\); the temperature of the produce reduces by -

Which of the following type of bucket elevator is most commonly used for elevating grains

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Moisture content of a fruit or a vegetable expressed on wet basis is always greater than the moisture content expressed on dry basis.
Reason (R) : Moisture on wet basis is expressed with reference to total weight of the sample instead of its dry matter content.
In light of the above statements, choose the correct answer from the options given below.

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : The angle of repose is generally higher than angle of the internal friction for the grains of approximately the same moisture content and density.
Reason (R) : The angle of internal friction is equal to the tangent of coefficient of friction for the material.
In light of the above statements, choose the correct answer from the options given below.

Curved outline of a psychrometric chart represents

Cleaned-in-place (CIP) is related to -

The weight of wheat grain having moisture content 15% (dry basis) stored in a container with internal dimensions of 20x30x10 cm is 6 kg; then the bulk density of the wheat is -

In a thermal process calculation, the time required to achieve a given reduction ratio in the number of microorganisms at a given constant temperature is represented by -

Cyclones are used for -
(A) The removal of particles of 10 micron or more in diameter from air stream
(B) Separating particles from liquids
(C) Separating liquid droplets from gases
(D) Reducing the size of particles of 10 micron or more in diameter
Choose the correct answer from the options given below: