Oilers/Plant Tenders Civil Service Exam Practice 2025 – Complete Preparation Guide

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Question: 1 / 440

What range of psi is typically indicated for operating oil pressure in a torque converter?

30 to 35 psi

35 to 40 psi

The typical operating oil pressure range for a torque converter usually falls between 35 to 40 psi. This range is important because it ensures that the torque converter functions effectively, providing adequate hydraulic pressure for proper operation and performance of the vehicle's transmission system.

Maintaining this pressure is crucial for the torque converter's ability to transfer power smoothly from the engine to the transmission, which helps in achieving optimal vehicle speed and acceleration. If the oil pressure is below this range, it may lead to inadequate torque converter lockup, resulting in slippage and poor performance. Conversely, if the pressure exceeds this range, it could indicate potential issues with the hydraulic system or transmission, leading to damage or failure.

This context helps to understand why the indicated range of 35 to 40 psi is often recognized as the standard for torque converters.

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40 to 45 psi

45 to 50 psi

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