When taking a shell-and-tube heat exchanger with a removable tube bundle such as a bayonet-tube heavy fuel oil service heater out of service, to prevent water hammer what statement represents the correct operating procedure?
A
Open wide the condensate drains first. Gradually close down and secure the steam, then close the condensate drains when no longer issuing dry steam. Finally, secure the heavy fuel oil.
B
Secure the heavy fuel oil first, then crack open the condensate drains. Gradually close down and secure the steam, then close the condensate drains when no longer draining condensate.
C
Crack open the condensate drains first. Gradually close down and secure the steam, then close the condensate drains when no longer draining condensate. Finally, secure the heavy fuel oil.
Question 1 / 205eccef9bbacbc34ba4d4562c
Question 1 of 205eccef9bbacbc34ba4d4562c
When taking a shell-and-tube heat exchanger with a removable tube bundle such as a bayonet-tube heavy fuel oil service heater out of service, to prevent water hammer what statement represents the correct operating procedure?
When taking a shell-and-tube heat exchanger with a removable tube bundle such as a bayonet-tube heavy fuel oil service heater out of service, to prevent water hammer what statement represents the correct operating procedure?
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D
Secure the heavy fuel oil first, then crack open the condensate drains. Gradually close down and secure the steam, then close the condensate drains when no longer issuing dry steam.