NABTEB QUESTIONS

Write short notes on : (i) Universal joints (ii) Constant velocity joint (iii) Over drive. – NABTEB QUESTION

(i) UNIVERSAL JOINTS:- This is the joints on the propeller shaft that allow for the flexibility of the propeller shaft. It allows for the rear axle assembly to twist due to the drive and brake forque reaction.

(ii) CONSTANT VELOCITY JOINTS:-These are special couplings that transmit constant speeds of the sharpest angles. They are often used when the engine is located close to the driving wheels, and a sloot shaft connecting the drive is inclined at a steep angle.

(iii) OVER DRIVE:- This is used so that the proper ilea shaft can rotate faster than the engine. It is usually used when consing. It permits the propeller shaft to rotate faster in top gear than the primary shaft.

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