List of top Questions asked in ICAR AIEEA (PG)- 2021

Statement I: In filter press the resistances of medium and cake are in series.
Statement II: In filter press, flow rate is inversely proportional to pressure drop.
In light of the above statements, choose the most appropriate answer from the options given below:

FORTRAN stands for:

Assertion (A): Only about 70% to 80% of the circumference of the drum can be effectively used for drying in drum dryer.
Reason (R): Feed and discharge cannot be at the same point for reasons of construction.
In light of the above statements, choose the correct answer from the options given below:

Dew point is:

The porosity of a fluidized bed increased from 0.5 to 0.75. If the initial bed of height was 10 cm, the final bed height is:

A single effect evaporator concentrates 100 kg/hr fruit juice from 10% solids to 25% solids. The evaporation capacity in terms of water evaporated is:

Statement I: Arrhenius equation relates reaction rate constants with molar volume distribution.
Statement II: The basis of Arrhenius equation is the activated complex theory of chemical reactions which depends on temperature.
In light of the above statements, choose the most appropriate answer from the options given below:

The usual range of applied pressure in micro filtration is:

Which of the following is not possible with micro filtration?

Osmotic pressure of solution containing 0.15 gmol NaCl/1000 g H\(_2\)O at 25°C. Assume density of water as 997.0 kg/m\(^3\).

Statement I: Programmable Logic Controller (PLC) is an industrial computer adopted for control of manufacturing process.
Statement II: Ladder diagram is a high end complex programming language.
In light of the above statements, choose the most appropriate answer from the options given below:

Assertion (A): In Proportional Integral (PI) control mode, one mode provides stability and the other mode removes the off-set.
Reason (R): The proportional mode removes the off set (i.e. automatic reset).
In light of the above statements, choose the correct answer from the options given below:

Biological Oxygen Demand (BOD) indicates:

Statement I: Processing equipment should occupy 80-90 percent of the floor area allotted to processing section.
Statement II: It ensures effective utilization of built up space for ease of operation.
In light of the above statements, choose the most appropriate answer from the options given below:

Assertion (A): Milk path should be as short as possible in dairy processing plant.
Reason (R): It will minimize the cost of pipe line and cleaning time.
In light of the above statements, choose the correct answer from the options given below:

Match List I with List II:
A. Froude Number
B. Reynolds Number
C. Euler Number
D. Weber Number
Match with the following:
I. Inertia force and pressure force
II. Inertia force and surface tension force
III. Inertia force and gravity force
IV. Inertia force and viscous force
Choose the correct answer from the options given below:

Viscosity of gases with increase in temperature:

In the derivation of Bernoulli's equation which of the following assumptions is not true?

The shape factor, geometrical factor, configuration factor or view factor are used in:

The critical radius of insulation is dependent on the thermal conductivity (K) of material and outside film coefficient (h\(_0\)). The critical radius for a cylinder is (r = r\(_c\)):

If there is no change in the temperatures of liquid and the tube wall for turbulent flow through the tube, flow velocity is doubled and tube diameter is halved, then the heat transfer coefficient will become remain the original value.

A vertical cylindrical vessel, equipped with a 3-blade propeller mixer, is to be used for blending syrups. The propeller has a diameter of 0.1 m and rotates at a speed of 60 rpm. The syrup density is 1200 kg/m³. What is the mechanical power input to the mixer when power number is 15?

In mixing and agitation of fluids:
A. Paddle and anchor mixers are usually operated at low speed
B. Propeller mixers are primarily used to blend high viscosity liquids.
C. Turbine mixtures are usually operated at high speed
D. Propeller mixers are primarily used to blend low viscosity liquids.
Choose the most appropriate answer from the options given below:

When a number of single spindle drilling machine columns are placed side by side on a common base and have a common work table, the machine is known as the:

The most commonly used equipment for arc welding consist of:
A. AC or DC Machine; Electrode; Pressure Regulator; Cables; Wire brush
B. Electrode holder; Chipping hammer; Earthing Clamps; Helmet; AC or DC Machine
C. Pressure regulator; Welding torch; Welding tip; Hose and hose fittings; AC or DC Machine
D. Pressure regulator; hose and hose fittings; Welding torch; Welding tip; Safety goggles
Choose the most appropriate answer from the options given below: