Which of the following can cause overpressuring of the heat exchanger?
A. Attempting to place the exchanger in service with the bleed valves open
B. Applying heat to the exchanger without following the proper warm-up procedure
C. Improper alignment of the inlet and outlet valves
D. Opening a cold fluid to a hot heat exchanger
A. Incorrect. Attempting to place the exchanger in service with the bleed valves open will not cause overpressuring of the heat exchanger.
B. Incorrect. Applying heat to the exchanger without following the proper warm-up procedure will not cause overpressuring of the heat exchanger.
C. Incorrect. Improper alignment of the inlet and outlet valves will not cause overpressuring of the heat exchanger.
D. Correct. Opening a cold fluid to a hot heat exchanger can cause overpressuring of the heat exchanger.
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