Engine_2014 : Steam Plants - 1205/1951
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| Which of the following statements represents the function of insulating brick? |
| A) Provides structural stability. |
| B) Acts as a gas-side layer at high temperature areas in D-type boilers. |
| C) Provides the first layer at the inside of inner casing. |
| D) Acts as backup insulation behind firebrick, plastic refractory, or castable refractory. |
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