Boiler operato - Study guides, Class notes & Summaries

A low pressure steam boiler has a maximum allowable working pressure (MAWP) of up to - Answer- 15 psi The evaporation of 34.5 lb of water/hr from and at a feedwater temperature of 212 degrees F is defined as - Answer- one boiler horsepower In a firetube boiler, the heat and gases of combustion pass - Answer- through the tubes A firetube boiler may be used - Answer- in high or low pressure plants Because of the large volume of water, the boiler most likely to cause a boiler explosion ...

Boiler Operator/ Stationary Steam Engineer Exam what is used to keep SO2 down? - wet and dry scrubbers a wet scrubber that has been maintained properly has the capability of absorbing ______% of the SO2 in the flue gas - 90% Materials of construction of a flue gas scrubber system must be selected to resist what hostile conditions? - low pH conditions and abrasion the efficiency of a spray pond or cooling tower is based on? - wet bulb temperature or relative humidity of the ambi...

1 or more safety valves - Answer all steam boilers must have Locked closed - Answer before anyone enters the boiler drum, the main steam stop valve, bottom blowdown valves, & feedwater valves should be 212 degrees F - Answer at atmospheric pressure, water begins to boil at approximately Fuel oil, gas, & coal - Answer fuels most commonly used in boilers Steam pressure gauge - Answer must be connected to the highest part of the steam side of the boiler Half full - Answer ...

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

At 0 PSIG, how many BTU are necessary to change 1 lb of water at 212 Degrees F into 1 lb of steam? - Answer- 970 BTU Radiation is? - Answer- a form of heat transfer that is radiated or transmitted in the form of waves. Steam at 100 PSI and 400 Degrees F is? - Answer- superheated Which of the following most closely defines sensible heat? a) An established relationship comparing any substance to the heat content of water b) Heat quantity that can be felt or measured by a thermometer ...

A low pressure steam boiler has a maximum allowable working pressure (MAWP) of up to -ANSWER 15 psi The evaporation of 34.5 lb of water/hr from and at a feedwater temperature of 212 degrees F is defined as -ANSWER one boiler horsepower In a firetube boiler, the heat and gases of combustion pass -ANSWER through the tubes A firetube boiler may be used -ANSWER in high or low pressure plants Because of the large volume of water, the boiler most likely to cause a boiler explosion is -ANSW...

Boiler Operator/ Stationary Steam Engineer Exam Questions With Complete Solutions Latest Update 2024/2025 (GRADED) Materials of construction of a flue gas scrubber system must be selected to resist what hostile conditions? - Answer low pH conditions and abrasion the efficiency of a spray pond or cooling tower is based on? - Answer wet bulb temperature or relative humidity of the ambient air when placing an induced draft cooling tower into service, which is the last step performed? - Answer ...

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...

Boiler Operators Exam Correctly Solved 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 - 970 Btu What is Radiation? - A form of heat transfer by waves What is Superheated steam? - Steam at 100 psi and at 400 Fahrenheit Heat quantity that can be felt or measured by a thermometer - Sensible Heat Temperature required to raise 1 lb of water from 32 degree Fahrenheit to 212 degree Fahrenheit - 180 Btu ...

Boiler Operator Licensing Exam1 or more safety valves - correct answer all steam boilers must have Locked closed - correct answer before anyone enters the boiler drum, the main steam stop valve, bottom blowdown valves, & feedwater valves should be 212 degrees F - correct answer at atmospheric pressure, water begins to boil at approximately Fuel oil, gas, & coal - correct answer fuels most commonly used in boilers Steam pressure gauge - correct answer must be connected to the highest ...