Question 17Steam Plants - 1st Asst/Chief70% to pass
Which of the listed refractory materials can be used in an area directly exposed to the highest heat in the furnace?
AI Explanation
The correct answer is D) Firebrick.
Firebrick is the appropriate refractory material for use in areas directly exposed to the highest heat in a furnace. Firebrick is a specialized type of brick designed to withstand extremely high temperatures without deterioration. It is composed of clay and other heat-resistant minerals, making it suitable for use in the hottest parts of a furnace where temperatures can reach over 2,000°F.
The other options, such as insulating block, baffle mix, and insulating brick, are not suitable for direct exposure to the highest heat levels in a furnace. These materials are better suited for less intense heat zones or for insulation purposes, but they lack the thermal resistance and durability of firebrick.
Related Questions
#15 High pressure steam drains are normally discharged to the _______________.#16 Which of the listed systems would be a potential source for the high pressure drain system? #18 When heated, brickwork in a boiler is kept from buckling by the installation of _______________.#19 Which of the listed refractory materials is composed of wool fibers and clay binders? #20 According to the illustration of a typical boiler furnace rear wall, which item number would best represent "insulating block"? Illustration SG-0003