QuestionJune 18, 2025

Technician A says that the gear ratios of both differentials are the same in a four-wheel-drive vehicle. Technician B says that the rear differential has a slightly higher ratio (lower number) than the front differential. Which technician is correct? Select one: A. Technician A only B. Technician B only C. Both technicians A and B D. Neither technician A nor B

Technician A says that the gear ratios of both differentials are the same in a four-wheel-drive vehicle. Technician B says that the rear differential has a slightly higher ratio (lower number) than the front differential. Which technician is correct? Select one: A. Technician A only B. Technician B only C. Both technicians A and B D. Neither technician A nor B
Technician A says that the gear ratios of both differentials are the same in a four-wheel-drive vehicle. Technician B says that the rear differential has a slightly higher ratio (lower number) than the front differential. Which technician is correct? Select one: A. Technician A only B. Technician B only C. Both technicians A and B D. Neither technician A nor B

Solution
4.4(355 votes)

Answer

A. Technician A only Explanation 1. Understand Gear Ratios in 4WD In a four-wheel-drive (4WD) vehicle, the gear ratios of both differentials must be the same to ensure that all wheels rotate at the same speed. This prevents drivetrain binding and potential damage. 2. Evaluate Technicians' Statements Technician A is correct because having the same gear ratios in both differentials is necessary for proper 4WD operation. Technician B's statement about differing ratios would lead to mechanical issues.

Explanation

1. Understand Gear Ratios in 4WD<br /> In a four-wheel-drive (4WD) vehicle, the gear ratios of both differentials must be the same to ensure that all wheels rotate at the same speed. This prevents drivetrain binding and potential damage.<br /><br />2. Evaluate Technicians' Statements<br /> Technician A is correct because having the same gear ratios in both differentials is necessary for proper 4WD operation. Technician B's statement about differing ratios would lead to mechanical issues.
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