NM CID MM-2 Practice Questions - New Mexico CID MM-2 Natural Gas Fitting Examination Exam

A low-pressure steam boiler is installed without a low-water cutoff. What does UMC Chapter 10 require?

Nothing; steam boilers do not need water-level protection An automatic low-water fuel cutoff that shuts off the fuel when the water drops to the lowest safe level, plus the required relief valve and operating controls Only a manual gauge glass, with no cutoff A refrigeration high-pressure switch

Correct Answer:

An automatic low-water fuel cutoff that shuts off the fuel when the water drops to the lowest safe level, plus the required relief valve and operating controls

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