Saturated steam Study guides, Study notes & Summaries

Stationary Engineer local 99 Exam Questions And 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 - ANS C. steam piston is larger than the water piston An ignition arch is used with a(n) ________________ stoker A. side feed B. spreader C. underfeed D. chain grate - ANS ...

Two basic categories of chillers are the ___. a. Compression cycle and absorption b. purge and absorption c. absorption and lithium bromide d. purge and lithium bromide - Answer-a. Compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, _____, and ventilation. a. circulation b. velocity c. . d. none of the above - Answer-a. circulation The primary function of an expansion device is to ____. a. produce a reduction in the ...

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 ...

At 0 PSIG, how many BTU are necessary to change 1 lb of water at 212 degrees Fahrenheit into 1 lb of steam? a) 144 b) 180 c) 970 d) 1,190 - Answer- c) 970 Radiation is a) the movement of liquids or gases created by a temperature difference. b) the transfer of heat by direct molecular contact. c) the weight of a substance compared to unity. d) a form of heat transfer by waves. - Answer- d) a form of heat transfer by waves. Steam at 100 PSI and 400 degrees Fahrenheit is a) saturated...

The boiler vent location is: CORRECT ANSWER-Highest part of steam side of boiler What 2 elements in fuel oil produce most of its heat? CORRECT ANSWER-Carbon and Hydrogen A 100 psi boiler has dry saturated steam temperature of 638 degrees F. What is the water temperature? CORRECT ANSWER-638 degrees F A 2 inch boiler tube has a wall thickness of 3/16 inch. What is its inside diameter? CORRECT ANSWER-1 5/8 Failure of what device causes a furnace explosion? CORRECT ANSWER-Fan failure or ...

At 0 pounds per square inch (psi), how many Btu are necessary to change 1 lb of water at 212 degree Fahrenheit into 1 lb of STEAM -ANSWER 970 Btu What is Radiation? -ANSWER A form of heat transfer by waves What is Superheated steam? -ANSWER Steam at 100 psi and at 400 Fahrenheit Heat quantity that can be felt or measured by a thermometer -ANSWER Sensible Heat Temperature required to raise 1 lb of water from 32 degree Fahrenheit to 212 degree Fahrenheit -ANSWER 180 Btu Increasing t...

Stationary Engineer License Exam Prep Questions And Answers 100% Solved A ______ fuse is necessary for a circuit with a load of 21,000 watts and a voltage of 220 volts. A. 100 B. 150 C. 175 D. 200 A. 100 amps. Note: V = IR Therefore I = V/R 21,000 amps /220 volts = 95 amps At 0 psig, how many BTU's are required to change 1 lb of water at 212F to steam? A. 144 B. 180 C. 970 D. 1190 C. 970 BTU Radiation is: A. the movement of liquids or gases created by a temperature difference. ...

4th Class Power Engineering Unit A12 Chapter 4: Feed water Systems Already Passed With this system, not electrical power is required to feed make-up water to the boiler: Select one: a. gravity return system b. pump return system c. low flow return system d. high side return system a These are similar to combined feedwater feeder/cut-offs, with the exception that they do not have integral mechanically operated control valves: Select one: a. float control feeders b. float contro...

is the first step in the sterilization process. Cleaning 2. Central Service Technicians must wear special attire referred to as to minimize their exposure to blood- borne pathogens and other contaminants. PPE What type of a pressure is required for decontamination areas? Negative The use of analytical skills to solve problems and make decisions is a component of which of the following knowledge and skills dimensions? Employability skills 5. Nosocomial infections a...

Main propulsion Boiler Operation Exam Questions With Correct Answers, Latest Updated 2024/2025 (GRADED) Boiler overload capacity is normally what percentage of boiler full power capacity? - Answer 120% A pressure specified by the boiler manufacturer as a criterion for the boiler design is termed as? - Answer Design pressure What is the minimum steam drum pressure on an operating boiler? - Answer 85% of boiler operating pressure What is the minimum steam drum pressure on an operating boiler...