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A failed-open steam trap wastes energy by

  • A.admitting air into the condensate return
  • B.passing live steam continuously to the condensate system
  • C.holding condensate back in the steam main
  • D.reducing the pressure of the steam it passes

Answer: B

Blowing steam represents fuel burnt for nothing, and a single failed trap on a high pressure main can waste a great deal over a year. A failed-closed trap is a production problem rather than an energy one, though it causes water hammer.

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