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Engine_2014 : Motor Plants and Auxiliary Boilers - 1752/2614
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According to Coast Guard Regulations (46 CFR), which of the following statements is true concerning the water level indicating device for the auxiliary boiler shown in the illustration?
A) The illustrated arrangement may be used on any steam boiler, for any steam pressure, up to 300 psig.
B) The minimum size of the piping connecting the water columnĀ  to the steam drum is to be one inch.
C) The shutoff valve on the boiler drum must be of cast iron.
D) A minimum of three test cocks may serve as the primary water level indicator on boilers under 250 psig.
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Illustration MO-0093

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