BLACK SEAL HIGH PRESSURE EVALUATION TEST
QUESTIONS AND ANSWERS SURE A+
✔✔A rotary cup burner atomizes fuel: - ✔✔By means of a spinning cup/high velocity air
✔✔Where does the fuel atomize? - ✔✔At the burner tip
✔✔Retubed or new boilers are cleaned with: - ✔✔Alkaline detergent
✔✔Vacuum gauges are calibrated in inches of: - ✔✔Mercurey below
✔✔What does oxygen cause? - ✔✔Pitting of boiler metal
✔✔Where is the jurisdiction (registration) # on a boiler? - ✔✔On the front of the boiler.
✔✔Cast iron sectional boilers are built for what type of draft firing? - ✔✔Mechanical
forced and/or induced
✔✔A boiler with water surrounding the outside of the tubes is called a _____ boiler. -
✔✔Fire Tube
✔✔Who is authorized to readjust the setting of a safety valve on a pressure vessel? -
✔✔An authorized manufacturer's representative
✔✔Cracking of the boiler metal along the seams can be caused by: - ✔✔Oxygen pitting
✔✔Soot caked heating surfaces can lead to: - ✔✔a decrease in boiler capacity
✔✔Where are the combustible gases located in water tube boiler? - ✔✔Flowing around
the tubes
, ✔✔What is considered the most important fitting on a boiler? - ✔✔The safety valve
✔✔When performing a hydrostatic test, the pressure on the boiler should not exceed: -
✔✔10 psi above 1.5 time the MAWP
✔✔T/F: A boiler is an Open Vessel - ✔✔False
✔✔If the fire-eye or flame scanner shuts off because the main flame fails, what device
does it secure? - ✔✔Fuel solenoid valve
✔✔The air to gas ratio is maintained by a: - ✔✔Modulating motor and linkage, Air
damper, and Butterfly Valve
✔✔A draft fan located between the boiler and chimney is what type of draft? -
✔✔Induced
✔✔Boiler water having high alkalinity will develop: - ✔✔Caustic embrittlement
✔✔The most accurate means of deciding the frequency of blowdown of a boiler is
determined by a ______. - ✔✔Boiler water analysis
✔✔What device is used to obtain sufficient static head for the returning condensate in a
two-pipe gravity return system? - ✔✔Return trap
✔✔In a hot water heating boiler, the maximum water temperature the boiler can be, in
order to qualify in NJ as low pressure, is: - ✔✔250 F
✔✔Where would scale be found in a boiler? - ✔✔Below the water line
✔✔The purge cycle on a boiler is designed to perform what function? - ✔✔To remove
combustible gases
✔✔The type of valve located between the boiler and safety valve must be a: - ✔✔No
Valve
✔✔A common type of feedwater regulator is a: - ✔✔pressure sensitive device
✔✔When open, an OS&Y valve offers ___ to the flow of steam. - ✔✔No resistence
✔✔What section of the ASME code do hot water heating boilers fall under? -
✔✔Section IV
QUESTIONS AND ANSWERS SURE A+
✔✔A rotary cup burner atomizes fuel: - ✔✔By means of a spinning cup/high velocity air
✔✔Where does the fuel atomize? - ✔✔At the burner tip
✔✔Retubed or new boilers are cleaned with: - ✔✔Alkaline detergent
✔✔Vacuum gauges are calibrated in inches of: - ✔✔Mercurey below
✔✔What does oxygen cause? - ✔✔Pitting of boiler metal
✔✔Where is the jurisdiction (registration) # on a boiler? - ✔✔On the front of the boiler.
✔✔Cast iron sectional boilers are built for what type of draft firing? - ✔✔Mechanical
forced and/or induced
✔✔A boiler with water surrounding the outside of the tubes is called a _____ boiler. -
✔✔Fire Tube
✔✔Who is authorized to readjust the setting of a safety valve on a pressure vessel? -
✔✔An authorized manufacturer's representative
✔✔Cracking of the boiler metal along the seams can be caused by: - ✔✔Oxygen pitting
✔✔Soot caked heating surfaces can lead to: - ✔✔a decrease in boiler capacity
✔✔Where are the combustible gases located in water tube boiler? - ✔✔Flowing around
the tubes
, ✔✔What is considered the most important fitting on a boiler? - ✔✔The safety valve
✔✔When performing a hydrostatic test, the pressure on the boiler should not exceed: -
✔✔10 psi above 1.5 time the MAWP
✔✔T/F: A boiler is an Open Vessel - ✔✔False
✔✔If the fire-eye or flame scanner shuts off because the main flame fails, what device
does it secure? - ✔✔Fuel solenoid valve
✔✔The air to gas ratio is maintained by a: - ✔✔Modulating motor and linkage, Air
damper, and Butterfly Valve
✔✔A draft fan located between the boiler and chimney is what type of draft? -
✔✔Induced
✔✔Boiler water having high alkalinity will develop: - ✔✔Caustic embrittlement
✔✔The most accurate means of deciding the frequency of blowdown of a boiler is
determined by a ______. - ✔✔Boiler water analysis
✔✔What device is used to obtain sufficient static head for the returning condensate in a
two-pipe gravity return system? - ✔✔Return trap
✔✔In a hot water heating boiler, the maximum water temperature the boiler can be, in
order to qualify in NJ as low pressure, is: - ✔✔250 F
✔✔Where would scale be found in a boiler? - ✔✔Below the water line
✔✔The purge cycle on a boiler is designed to perform what function? - ✔✔To remove
combustible gases
✔✔The type of valve located between the boiler and safety valve must be a: - ✔✔No
Valve
✔✔A common type of feedwater regulator is a: - ✔✔pressure sensitive device
✔✔When open, an OS&Y valve offers ___ to the flow of steam. - ✔✔No resistence
✔✔What section of the ASME code do hot water heating boilers fall under? -
✔✔Section IV
