Feedwater - Study guides, Class notes & Summaries

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

Ohio Stationary Steam Engineer Exam - Questions with Verified Answers A boiler has carried a large slug of water over into steam. This condition is called: Priming How do steam separators work? they cause a sudden change in direction that throws water out On a pressure gauge what is the minimum size piping that can be used? 1/4" if copper 1/2" if steel When may copper tubing not be used? over 406 degrees What common type of expansion joint is used universally throughout a steam distribution ...

ABSA: 4th Class Part B - Comprehensive Exam 1 Latest Update Graded A+ Temporary hardness in feedwater is caused by: Select one: a. Magnesium sulphate b. Calcium carbonate c. Magnesium bicarbonate d. Sodium nitrate c What is the recommended boiler water pH for wet layup? Select one: a. 10 b. 12 c. 7.5 d. 7 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 throug...

Which valves are located between the boiler and the feedwater pump? - Feedwater Stop Valve and Feedwater Check Valve What is the function of the Check Valve? - To prevent the boiler pressure from forcing the boiler water back into a feedwater tank or deaerator when the pump shuts off. (Allows flow in only one direction) The 4 safety features required on a steam boiler is: - Safety Relief Valve, Blow Down Valve, Low Water Cut-off, Pressure Gauge Safety Relief Valves should be set by a: - Q...

Stationary Engineering Exam Questions And Answers 100% Solved 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 - answerC. 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 grate - answerD. ...

the process by which all forms of microbial life, including spores, are destroyed is the definition of a. sanitization b. disinfection c. decontamination d. sterilization - d. sterilization In a non table top sterilizer, a gauge on the main steam line, usually located at the back of the sterilizer, tells you the steam pressure a. inside the jacket b. inside the chamber c. as steam is entering the jacket d. as steam is exitiing the chamber - a. inside the jacket which ...

ABSA: 4th Class Part B - Comprehensive Exam 4 150 Multiple Choice, 4th Class Part B , Units 2 Temporary hardness in feedwater is caused by: Select one: a. Magnesium sulphate b. Calcium carbonate c. Magnesium bicarbonate d. Sodium nitrate c What is the recommended boiler water pH for wet layup? Select one: a. 10 b. 12 c. 7.5 d. 7 a A photoelectric flame scanner: Select one: a. Produces a steady voltage signal b. Requires a clear line of sight to the flame c. condu...

Power Engineering 4th Class - B4 Verified questions and correct answers A typical natural gas flame should be: a. blue, with orange at the tip of the flame b. asymmetrical, and as close as possible to the heat transfer surfaces. c. bright yellow, with black tips. d. bright yellow, with orange tips. - ANS a Which of the following is NOT done when preparing a steam boiler feedwater system? a. Confirm that the boiler water level is within range. b. Verify that the boiler feedwater ...

Boiler water is treated in order to prevent a) sludge, mud, pitting, corrosion b) foaming, corrosion, carryover, sludge c) sludge, corrosion, scale, carryover d) scale, sludge, mud, pitting e) foaming, carryover, pitting, corrosion - CORRECT ANSWER c Dissolved solids in raw water a) cause pitting of boiler surfaces b) cause grooving of piping surfaces c) are organic matter d) cannot be removed with filters e) cause corrosion of boiler surfaces - CORRECT ANSWER d B...

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 Correct 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 grate Correct Answer D. Chain grate The try cocks on a water c...