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- First Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q511 - General Subjects I
243. Which of the tools listed must be used when retightening the plate type heat exchangers used in the device shown in the illustration
Plate-type heat exchangers require retightening to a manufacturer-specified plate pack length to ensure proper gasket compression and prevent damage. A steel ruler or tape measure is necessary to measure and maintain this length, ensuring parallel covers; other tools do not provide this essential measurement.
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