List of top Questions asked in ICAR AIEEA (PG)

Given below are two statements:

Statement (I): A kinematic link may consist of several parts rigidly fastened together so that they do not move relative to one another.

Statement (II): A kinematic link need not be a rigid body but it must be a resistant body.

In light of the above statements, choose the most appropriate answer from the options given below.

Kutzback equation between degrees of freedom (n), number of links (l), number of joints (j) and number of higher pairs (h) of a mechanism having plane motion is given by

Which of the following quantities have unit as Newton-metre (N-m)?

(A) Work

(B) Energy

(C) Torque

(D) Power

(E) Momentum

Choose the correct answer from the options given below:

A flywheel starts from rest and revolves with an acceleration of \(0.5\ \text{rad/sec}^2\). What will be its angular displacement after 10 seconds?

The moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base is ____________ times as that passing through its centre of gravity and parallel to the base.

Bernoulli's equation is conservation of

If a body is in equilibrium, we may conclude that

(A) No force is acting on the body.
(B) The resultant of all the horizontal forces acting on it is zero.
(C) The resultant of all the vertical forces acting on it is zero.
(D) The moments of the forces about any point is zero.

Choose the correct answer from the options given below.

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.

If the moment of inertia of a body along a perpendicular axis passing through its centre of gravity is 50 kg.m² and the mass of the body is 30 kg. What will be the moment of inertia (kg.m²) of the same body along another axis, which is 50 cm away from the current axis and parallel to it?

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.

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:

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:

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?

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.

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:

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.

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:

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:

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.

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:

The angle between vectors \(A = 2i - j + 2k\) and \(B = 6i - 3j + 6k\) is: