Feedwater - Study guides, Class notes & Summaries

Boiler Operator Licensing Exam Questions and Answers Graded A+ all steam boilers must have 1 or more safety valves before anyone enters the boiler drum, the main steam stop valve, bottom blowdown valves, & feedwater valves should be Locked closed at atmospheric pressure, water begins to boil at approximately 212 degrees F fuels most commonly used in boilers Fuel oil, gas, & coal must be connected to the highest part of the steam side of the boiler Steam pressure gauge with an...

boiler exam study guide 2The bottom blowdown on a boiler ___. - correct answer removes sludge and sediment from the mud drum Boiler tubes are sized using the ___. - correct answer outside diameter A boiler fusible plug is brass or bronze with a core of ___. - correct answer tin Spalling in a boiler refers to ___. - correct answer hairline cracks in the refractory Boiler horsepower is the evaporation of ___ lb of water/hr from and at a feedwater temperature of 212°F. - correct answer...

Boiler Exam Practice Testsremoves sludge and sediment from the mud drum - correct answer The bottom blowdown on a boiler ___. outside diameter - correct answer Boiler tubes are sized using the ___. tin - correct answer A boiler fusible plug is brass or bronze with a core of ___. hairline cracks in the refractory - correct answer Spalling in a boiler refers to ___. 34.5 - correct answer Boiler horsepower is the evaporation of ___ lb of water/hr from and at a feedwater temperature of 2...

boiler exam study guide 2 Question and answers 2023/2024 verified to passThe bottom blowdown on a boiler ___. - correct answer removes sludge and sediment from the mud drum Boiler tubes are sized using the ___. - correct answer outside diameter A boiler fusible plug is brass or bronze with a core of ___. - correct answer tin Spalling in a boiler refers to ___. - correct answer hairline cracks in the refractory Boiler horsepower is the evaporation of ___ lb of water/hr from and at a f...

Ohio stationary steam engineer questions and answers already passed Combustion efficiency may be increased by_____ the primary air Preheating What is the purpose of cinder reinjection? increase efficiency 2 forces of equal intensity acting in opposite directions is? tension What is true about the dew poimt of flue gasses dew point is the temp at which the gasses will condense What will not cause high stack temps? plugged dry pipe What is true about smoke smoke consists of unb...

First Class Steam Licenseif the boiler is generating 20,000 lb/hr of steam, it must be supplied with ________ lb/hr of feedwater - correct answer 20,000 from the deaerator, oxygen and other noncondensable gases are separated from the feedwater and directed to the atmosphere _________ - correct answer through the vent a(n) ___________ system is a system of measuring instruments and controllers that work together to control a process - correct answer controll one pound of water is needed ...

The bottom blowdown on a boiler ___. - Answer- removes sludge and sediment from the mud drum Boiler tubes are sized using the ___. - Answer- outside diameter A boiler fusible plug is brass or bronze with a core of ___. - Answer- tin Spalling in a boiler refers to ___. - Answer- hairline cracks in the refractory Boiler horsepower is the evaporation of ___ lb of water/hr from and at a feedwater temperature of 212°F. - Answer- 34.5 A siphon installed between the boiler and the press...

This is the distance between the surface of the liquid level of a supply source located below a pump and the center line of the pump: Select one: a. total static head b. static discharge head c. static suction head d. static suction lift - d The fact that different shaped containers, filled with liquid of the same height, have the same applied force by the liquid on the base of each container, is referred to as: Select one: a. Peterʼs Paradox b. Pascalʼs Paradox c. Pandaʼs Parad...

Temporary hardness in feedwater is caused by: Select one: a. Magnesium sulphate b. Calcium carbonate c. Magnesium bicarbonate d. Sodium nitrate - Answer-c What is the recommended boiler water pH for wet layup? Select one: a. 10 b. 12 c. 7.5 d. 7 - Answer-a A photoelectric flame scanner: Select one: a. Produces a steady voltage signal b. Requires a clear line of sight to the flame c. conducts current through the flame d. uses a pilot-stat - Answer-b Heavy oil recovered using SAG...

Stationary Engineer Local 99 Test Questions And Revised Correct Answers In a reciprocating feedwater pump, the _______________ A. water piston is larger than the steam piston B. water and steam piston are the same size C. steam piston is larger than the water piston D. steam valve has to be as large as the water valve - ANSWER : C. steam piston is larger than the water piston An ignition arch is used with a(n) ________________ stoker A. sidefeed B. spreader C. underfeed D. chain...