The boiler operator - Study guides, Class notes & Summaries

4A Unit 12 Questions and Answers Graded A+ (4-063-1.14) The operator, while blowing off a boiler, should have an assistant to: Select one: a. Open the blow-off tank drain b. Watch the gauge glass level c. Close the quick opening valve in a hurry d. Open the slow opening valve b. Watch the gauge glass level (4-091-3.3) In a mechanical atomizing burner with three fixed capacity burners, the Intermediate and high fire burner nozzles may have higher capacities than the primary burner ...

Stationary Engineer Exam Questions and Answers Latest 2024/2025 (GRADED A+) How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - Answer 7 feet On a gas fired boiler what is the proper gas to air mixture - Answer 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hard...

Stationary Engineer Exam - Questions and Answers (Complete Solutions) How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? 7 feet On a gas fired boiler what is the proper gas to air mixture 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? TH= (Ca x 2....

Stationary Engineer Exam Questions and Answers Latest (GRADED A+) How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - Answer 7 feet On a gas fired boiler what is the proper gas to air mixture - Answer 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 1...

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...

Combustion efficiency may be increased by_____ the primary air - ANSWER Preheating What is the purpose of cinder reinjection? - ANSWER increase efficiency 2 forces of equal intensity acting in opposite directions is? - ANSWER tension What is true about the dew poimt of flue gasses - ANSWER dew point is the temp at which the gasses will condense What will not cause high stack temps? - ANSWER plugged dry pipe What is true about smoke - ANSWER smoke consists of unburned hydrocarbons ...

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. - Answer 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 pumps are in service. c. Place the feedwater pre-treatment equipment i...

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...

overheating (low water) or thermal shock What is the maximum size of safety valve permitted on a heating boiler? - Answer-4 1/2 inches What is the function of a boiler vent? - Answer-It is used to vent air from the boiler when filling with water or warming the boiler, and to prevent vacuum from forming when taking the boiler offline. What is the function of low water fuel cut-off? - Answer-It shuts off the boiler burner in the event of a low water What is the function of the operatin...

MN Special Boiler License Exam Guide for MHS CustodiansHigh Pressure Boiler - correct answer Above 15psi steam & 160psi water pressure After blowing down column and glass the water should return how? - correct answer Quickly When entering a steam boiler room what is the first thing an operator should do? - correct answer Check water level What type of safety valve is required - correct answer A.S.M.E. approved direct spring loaded When operating a boiler what is most important? - cor...