List of top Questions asked in ICAR AIEEA (PG)- 2022

Sequence of unit operations in process of refining of crude oil:
A. Deodourization
B. Removal of soaps
C. Winterization
D. Neutralization
E. Bleaching
Choose the correct answer from the options given below:

Assertion A: Angle of repose of grains changes with moisture content.
Reason R: Moisture content affects linear dimensions of grains.
In light of the above statements, choose the correct answer from the options given below:

Assertion A: Radiation is the quickest mode of heat transfer.
Reason R: Electromagnetic waves penetrate into the object.
In light of the above statements, choose the correct answer from the options given below:

The primary purpose of tillage is:

Assertion A: PUSA bin is a simple moisture free storage structure.
Reason R: PUSA bin is recommended as indoor structure.
In light of the above statements, choose the most appropriate answer from the options given below:

Mufflers are provided in tractor to control:

Assertion A: Super charged petrol engines employ lower compression ratios.
Reason R: Super charging results in increase in the intake temperature of engine, reduction of ignition delay and thus tendency to detonate or pre-ignite.
In light of the above statements, choose the most appropriate answer from the options given below:

Assertion A: Blanching is recommended pretreatment for dehydration of vegetables.
Reason R: Hot water affects polyphenol oxidase.
In light of the above statements, choose the most appropriate answer from the options given below:

With respect to tractor steering system, the motion transfer takes place in the sequence:
A. King pin
B. Steering wheel
C. Pitman arm
D. Drag link
E. Steering arm
Choose the correct answer from the options given below:

The percentage regulation in a governor with speed at no load 1100 rpm and speed at load 900 rpm is:

The tractor engine is designed to have:

Match List I with List II

List I & List II
A. Tractive efficiency & I. Ratio of net pull produced to dynamic normal load
B. Net traction coefficient & II. Ratio of output power to input power
C. Motion resistance ratio & III. Rolling resistance force divided by normal load
D. Gross traction & IV. Force that cannot be measured but calculated from driving torque and effective radius

Choose the correct answer from the options given below:

For towed wheel and self-propelled wheel, which of the following conditions hold good:
A. For towed wheel axle torque is zero
B. For self-propelled wheel axle torque is zero
C. For towed wheel pull is zero
D. For self-propelled wheel pull is zero
E. For towed wheel and self-propelled wheel neither axle torque nor pull is zero
Choose the correct answer from the options given below:

Statement I: Fraction of airborne dust which enters the body but is trapped in nose, throat and upper respiratory tract is called inhalable dust.
Statement II: Dust particles of size lesser than 5 \(\mu\)m are categorized as inhalable dust.
In light of the above statements, choose the correct answer from the options given below:

Statement I: Efficiency of an Otto cycle increases as the compression ratio decreases.
Statement II: As the fuel-cutoff approaches zero, the efficiency of diesel cycle approaches that of Otto cycle for same compression ratio.
In light of the above statements, choose the correct answer from the options given below:

Assertion A: Only positive displacement pumps are used in fluid power systems.
Reason R: Positive displacement pumps maintain nearly constant pump flow rate independent of the pressure.
In light of the above statements, choose the most appropriate answer from the options given below:

The lowest temperature at which fuel ceases to flow is known as:

Which of the following are the farm machinery and implements covered under the scheme of "Testing, Evaluation and Performance Assessment of Farm Machinery and Implements" under the National Agricultural Policy, 1983?
A. Power thresher
B. Power winnower
C. Power operated chaff cutter
D. Power operated sugarcane crusher
E. Power tiller
Choose the correct answer from the options given below:

The efficiency of four basic modes of human power output varies as per the following:

Design an appropriate size of biogas plant for a family of 6 members owning 2 cows, 2 buffaloes and 2 calves. One candle lamp is used for lighting purpose for 4 hours. (Assumption: dung production by cow, buffalo and calf are 10 kg, 15 kg and 5 kg respectively; cooking requirement is 0.25 m\(^3\) gas per day per person and 0.12 m\(^3\) gas per hour per lamp; gas production 0.04 m\(^3\) per kg of dung)

Calculate the theoretical power generated by a wind rotor of 5 m diameter with wind velocity of 7.2 km.h\(^{-1}\). Assume air density as 1.4 kg.m\(^{-3}\).

Find the clearance volume of an engine whose displacement volume is 1500 cm\(^3\) and compression ratio is 8:2.

Calculate the theoretical field capacity of a 5-bottom plough, each bottom having 35 cm width, operating at a speed of 5 km/h.

Calculate BHP of 4-stroke engine having 200 mm diameter and 350 mm stroke length, with speed of 450 rpm. After 2 stroke pressure generated is 20 kg.cm\(^{-2}\). Assume engine efficiency as 80 per cent.

Calculate the torque developed, if a tractor engine is operating at a speed of 3500 rpm and brake power recorded by the prony brake dynamometer is 44 kW.