Power Engineering Part A Unit 12 Study Guide Graded A+

Slow-Opening Valve {Ans: Requires at least five 360 degree turns to change from fully closed to fully open}Castable {Ans: Materials that can be cast into different shapes}Return Loop {Ans: A condensate return loop piping arrangement, installed on steam heating boilers}Boiler water feedpumps must be {Ans: Large enough to provide all the feedwater required, at maximum firing rate.}Boiler water can be maintained by {Ans: Two-position control or fully modulating control}Solid Fuel {Ans: Biomass, coal, hog fuel}