Question 206Steam Plants - Assistant Engineer70% to pass
The purpose of the mica used in a boiler water gage glass assembly is to prevent _______________.
AI Explanation
The correct answer is C) etching of the glass.
The mica used in a boiler water gage glass assembly is intended to prevent etching of the glass. Mica is a mineral that is resistant to heat and chemicals, and it acts as a protective barrier between the glass and the boiler water. This prevents the boiler water from directly contacting the glass, which could cause etching and deterioration of the glass over time. The other answer choices are incorrect because they do not accurately reflect the primary purpose of the mica in this application.
Related Questions
#204 The function of item "E" shown in the illustration is to_______________ Illustration 0099 . Illustration GS-0099#205 The glass used in a flat-type boiler water gage is protected from the hot steam and water by a/an _______________.#207 In a boiler water gage glass, a ball check valve is installed on the _______________.#208 The items labeled "D" and "M" as indicated on the illustration are commonly called _______________. Illustration SG-0020 #209 Bi-color water level indicators, connected directly to the boiler drum, operate on the principle of _______________.