Power Engineering 4A Questions and Answers Already Passed

Power Engineering 4A Questions and Answers Already Passed 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 C 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 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 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 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 A 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