Question 206Steam Plants - Assistant Engineer
70% to passThe purpose of the mica used in a boiler water gage glass assembly is to prevent _______________.
Alight refraction in the glass
Bleakage from the glass
Cetching of the glass
Doverheating of the glass
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
Q46:Excessively hot water returning to an atmospheric drain tank indicates _________... Q311:In a boiler furnace, incomplete combustion due to insufficient air yields an exc... Q249:Assume that steam has formed in a boiler in which all of the steam stop valves a... Q62:Most main propulsion boilers are designed to produce _______________. Q704:Clean oil leaves the centrifuge illustrated through item 0124
Ready to test your knowledge?
Take a Steam Plants - Assistant Engineer Practice ExamOfficial Resources