Tractor Chassis, Clutch & Transmission System Practice Questions (Q1-2) - Farm Machinery and Power Engineering | Agrigyan Practice

1

ICAR JRF Farm Machinery And Power Engineering 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Most of the gears fail from

(A) . bending fatigue

(B) . surface wear

(C) . stiff housing

(D) . pitting (©). curved surfaces

Choose the correct answer from the options given below:

(A), (C) and (D) only, (A), (B) and (D) only, (A), (B), (C) and (D) only. (A), (B), (C) (D) and (E).

2

ICAR JRF Farm Machinery And Power Engineering 29 Jun 2024Shift 1

Statement Based +4 −1

Given below are two statements

Statement (I) : Differential of a tractor consists of planetary gear system which has four bevel gears. It also has a pair of bevel gears consisting of a pinion and crown wheel fitted at right angle to each other to transmit power received from the gearbox to the rear axles

Statement (II) : When the tractor is moving straight ahead, the bevel pinions of differential unit rotate on their carrier shafts and both the side gears rotate at different speed.

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

Both Statement (|) 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.

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