Power Engineering 4A - Test Review 4 Questions And Answers All Double Checked

Power Engineering 4A - Test Review 4 Questions And Answers All Double Checked The typical time required to heat a fluidized bed to ignition temperature prior to the introduction of coal is: Select one: a. Two hours b. Three hours c. One hour d. 30 minutes - ANS C When welding thick materials, proper weld groove selection and preparation allows for: Select one: a. a quick weld b. proper heat treatment c. full penetration d. omitting the root pass - ANS C An interrupted pilot of an automatic boiler: Select one: a. Ignites, is proven stable and extinguishes after the main flame is established b. Is one that has been extinguished by an inadequate flame signal c. Ignites before the main burner ignites, and is extinguished when the main burner is extinguished d. Burns continuously, like that in a home furnace - ANS A In a fluidized bed boiler, a gradual loss of the fluidized bed, including fuel (carbon) particles, is due to: Select one: a. Priming b. Sootblowing c. Uplift d. Carryover - ANS D The test material for a penetrant test (PT) must be: Select one: a. ferrous b. non-ferrous c. porous d. non-porous - ANS D If your plant maintenance department neglects oil changes, filter replacement, and bearing lubrication, your plant will eventually need more unscheduled ___________ maintenance. Select one: a. Emergency b. Preventative c. Routine d. Project - ANS A