High Pressure Boilers 5th ed 4- CD Quiz and Book Exam 10 with Grade A+ Answers

Natural ANSWER- ___ draft is produced by the natural action from temp differences between air and the gases of combustion. dampers ANSWER- Mechanical draft is controlled by the speed of the draft fans and/or by the use of ___. forced and induced draft ANSWER- Balanced draft combines ___. a forced draft fan and a windbox ANSWER- The draft system for smaller package boilers that burn natural gas and fuel oil typically consists of ___. pressure ANSWER- A damper control system adjusts the dampers to maintain constant ___ in the furnace. exhaust gases ANSWER- A continuous emissions monitoring system is used for measurement of pollutants in ___ from the combustion process. sulfur oxides ANSWER- Scrubbing is the method of choice for removing ___ from emissions from coal-fired plants. convection ANSWER- Two basic types of air heaters are ___ and regenerative air heaters. New Source Performance Standards (NSPS) ANSWER- The ___ are environmental standards for ambient pollution emissions from new sources of emissions. major ANSWER- A ___ source facility emits 10 or more tons per year of any single air toxic or 25 tons or more per year of any combination of air toxics.