Question 113Steam Plants - 1st Asst/Chief
70% to passThe purpose of the division plates installed in boiler superheater headers is to _______________.
Alimit the maximum temperature rise of the superheater outlet to 15°F
Bensure proper steam flow, thus preventing 'short circuiting' of superheater loops
Cprovide a means of controlling steam passage in response to throttle demands
Dall of the above
AI Explanation
The correct answer is B) ensure proper steam flow, thus preventing 'short circuiting' of superheater loops. The division plates installed in boiler superheater headers are designed to guide the steam flow through the superheater tubes in a uniform manner. This prevents 'short circuiting' where some of the steam would bypass the superheater loops, leading to uneven heating and potentially unsafe temperature variations at the superheater outlet. The other options are incorrect because: A) limiting the temperature rise is not the primary purpose of the division plates, C) controlling steam passage is a secondary function, and D) the division plates do not serve all of the purposes listed.
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