Given below are two statements Statement (I): The force of...

All Subjects General Agriculture Design of Tillage and Planting Machinery Design of Plant Protection and Harvesting Equipments Testing and Evaluation of Agricultural Machinery Tractor Design Principles Ergonomics and Safety in Farm Operations Soil Dynamics in Tillage and Traction Manufacturing Technology Instrumentation and Measurement Techniques Energy in Agriculture

Q.76

Farm Machinery and Power Engineering- ICAR JRF/SRF 2024

Assertion & Reason

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : Exhaust temperature of a gasoline engine is lower than equal sized diesel engine.

Reason (R) : The excess air supplied to the diesel and its higher compression ratio, both help to increase thermal efficiency.

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

Both (A) and (R) are true and (R) is the correct explanation of (A) Both (A) and (R) are true but (R) is NOT the correct explanation of (A). (A) is true but (R) is false. (A) is false but (R) is true.

Q.77

Farm Machinery and Power Engineering- ICAR JRF/SRF 2024

Assertion & Reason

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : Use of excessively cold plugs promotes sluggish combustion and spark plug fouling

Reason (R) : Electric glow plugs are typically used for cold weather starting of IDI engines.

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

Both (A) and (R) are true and (R) is the correct explanation of (A) Both (A) and (R) are true but (R) is NOT the correct explanation of (A). (A) is true but (R) is false (A) is false but (R) is true.

Q.78

Farm Machinery and Power Engineering- ICAR JRF/SRF 2024

Statement Based

Given below are two statements

Statement (I) : The force of adhesion is due to the moisture content of the soil and does not depend upon surface tension of water.

Statement (II) : As the moisture content increases, the apparent coefficient of friction increases due to increased adhesion

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

Both Statement (I) and Statement (II) are correct Both Statement (|) and Statement (II) are incorrect Statement (I) is correct but Statement (II) is incorrect. Statement (I) is incorrect but Statement (II) is correct.

Q.79

Farm Machinery and Power Engineering- ICAR JRF/SRF 2024

Statement Based

Given below are two statements

Statement (I) : Mounting the drive unit on the outer shoe of the cutterbar eliminates the problem of maintaining alignment and register.

Statement (II) : The problem of cutterbar alignment does not occur in tractor front mounted vertical conveyor reapers

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

Both Statement (I) and Statement (II) are true. Both Statement (I) and Statement (II) are false. Statement (I) is true but Statement (II) is false. Statement (I) is false but Statement ({I) is true.

Q.80

Farm Machinery and Power Engineering- ICAR JRF/SRF 2024

Statement Based

Given below are two statements

Statement (I) : In thermosiphon solar water heaters, the density difference between hot and cold water provides the driving force for the circulation of water through the collector and storage tank.

Statement (II) : To avoid reverse flow after sunset, the top heater of the absorber is kept 0.3 m above the cold leg fitting on the storage tank

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

Both Statement (I) and Statement (II) are correct Both Statement (I) and Statement (II) are incorrect Statement (I) is correct but Statement (II) is incorrect. Statement (I) is incorrect but Statement (II) is correct.