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

The centre of gravity of a right circular cone of diameter (d) and height (h) lies at a distance of ____________ from the base measured along the vertical radius.
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A): Counter flow heat exchanger is more effective than a parallel flow heat exchanger.

Reason (R): For same temperature limits of hot and cold fluids, the overall heat transfer coefficient of counter flow heat exchanger is more than parallel flow heat exchanger.

In light of the above statements, choose the correct answer from the options given below.
Match List-I with List-II.

List-I (Property)List-II (Fluid type)
(A)Apparent viscosity decreases with increasing deformation rate(I)Dilatant fluids
(B)Shear stress is directly proportional to rate of deformation(II)Newtonian fluids
(C)Behaves as a solid until a minimum yield stress is exceeded and subsequently exhibits a linear relation between stress and rate of deformation(III)Pseudoplastic fluids
(D)Viscosity increases with increasing deformation rate(IV)Bingham-plastic fluids
(E)Shear stress is not directly proportional to deformation rate(V)Non-Newtonian fluids

Choose the correct answer from the options given below.
Match List-I with List-II:
List-I (Process)List-II (Characteristic)
(A) Adiabatic(I) No volume change takes place
(B) Isochoric(II) No pressure change takes place
(C) Isobaric(III) No temperature change takes place
(D) Isothermal(IV) No heat transfer takes place

Choose the correct answer from the options given below:
Consider the following statements related to Mohr failure hypothesis:
Statement (I): Shear stress on the failure envelope is the maximum shear stress in the element.
Statement (II): The maximum shear stress acts on a plane inclined at 45° to major principle plane.

In light of the above statements, choose the most appropriate answer from the options given below.
A red brick wall of length 5 m, height 4 m and thickness 0.25 m has a temperature on the inner surface of 40 degree C and on the outer surface of 110 degree C. The thermal conductivity of the red brick is k = 0.70 W/mK. What will be the temperature at an interior point of the wall, 20 cm from the inner wall?
Which of the following Law's are based on gradient:
(A) Stefan-Boltzmann law
(B) Fourier's law
(C) Newton's law of cooling
(D) Fick's law

Choose the correct answer from the options given below:
Consider the following statements:
(A) Real power is expressed in kW.
(B) Apparent power is expressed in kV.
(C) Reactive power does not provide useful mechanical work.
(D) A motor operating at a given load and supply voltage draws active and reactive power.
(E) Both real power and apparent power are expressed in kW.

Choose the correct answer from the options given below:
Which of the following statements are true in case of electric fuse:
(A) It is generally made of materials having low melting point.
(B) It is made of materials having high conductivity.
(C) It has inverse time-current characteristics.
(D) It is inserted in series with the circuit to be protected.

Choose the correct answer from the options given below:
Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R).

Assertion (A): The current drawn by the motor lags behind the voltage applied.
Reason (R): Motor is an inductive load.

In light of the above statements, choose the correct answer from the options given below.
Given below are two statements:
Statement (I): The porosity of a soil cannot exceed 100 per cent.
Statement (II): The degree of saturation cannot be zero per cent.

In light of the above statements, choose the most appropriate answer from the options given below.
Consider the following statements:
(A) Absolute pressure is always positive.
(B) Vacuum can not exceed local atmospheric pressure.
(C) Gage pressure is the difference between absolute pressure and atmospheric pressure.
(D) Negative gauge pressure is same as vacuum.

Choose the correct answer from the options given below:
The angle between vectors \(A = 2i - j + 2k\) and \(B = 6i - 3j + 6k\) is:
Synchronous Speed of an AC induction motor depends on:
(A) Frequency of the supply voltage
(B) Number of poles
(C) Current
(D) Voltage
Choose the correct answer from the options given below:
For two invertible matrices A and B of suitable orders, the value of \((AB)^{-1}\) is:
Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R).
Assertion (A): In case of soils, compressive normal stresses are taken as positive.
Reason (R): Most of the normal stresses acting on soils are compressive in nature.
In light of the above statements, choose the correct answer from the options given below.
Hydrometer readings are corrected for:
(A) Temperature correction
(B) Meniscus correction
(C) Dispersing agent correction
(D) Pressure correction
Choose the correct answer from the options given below:
Consider the following probability distributions.
(A) Normal distribution
(B) Binomial distribution
(C) Poisson distribution
(D) F-distribution
(E) Chi-square distribution
In which of the above distributions are mean and variance equal:
Match List-I with List-II.
List-I (Nature of data)List-II (Most appropriate measure)
(A) Qualitative data(I) Geometric mean
(B) Raw data with extreme values(II) Median and Mode
(C) Dealing with rates, speeds and prices(III) Mode
(D) Calculating relative change(IV) Harmonic mean
Choose the correct answer from the options given below:
The following are the paddy yields (in kg/plot) for 14 plots: 30, 32, 35, 38, 40, 42, 48, 49, 52, 55, 58, 60, 62, 65. The 25th percentile (Q1) yield in kg/plot will be:
The softwood grafting

Statement (I): Is done with mature, procured scion on the emerging soft, coppery-red shoot of the rootstock, which is 60-70 days old.

Statement (II): Is used for raising desired varieties of mango, sapota, tamarind and cashew.

In light of the above statements, choose the most appropriate answer from the options given below.
What is the premium rates for Rabi season crops to be paid by farmers in PMFBY scheme?
First Indian product to get the GI Tag .
Which has high potential in India?
Rural Consumers may respond better to a promotion that is .