3rd class stationary steam engineer license
prep questions and answers 2026\2027 A+
Grade
_________ are necessary for complete combustion
- correct answer time, temperature, mixture, and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______
- correct answer 214.7
a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The
blowdown is______psi
- correct answer 12
an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-
generator
- correct answer steam turbine
a boiler is producing 40,000lb of steam/hr at a pressure of 100 PSI and a steam temperature of 500
degrees Fahrenheit. The steam produced is _______ steam
- correct answer superheated
the economizer on a boiler is used to _______
- correct answer add heat to the feed water
blowers are normally used with________ boilers
- correct answer water tube
overheating of tubes on a boiler can be caused by________
- correct answer scale on tubes
,carbon dioxide in a condensate return system causes_________
- correct answer channeling
a ________ pump is a positive displacement pump
- correct answer reciprocating
a boiler generating 6000 lb of steam/hr produces _______btu/hr
- correct answer 6,000,000
a bottom blowdown is performed on a boiler to _____
- correct answer discharge sludge and sediment
water columns are connected to the boiler with a minimum of _______" pipe
- correct answer 1
the minimum size of a water column blowdown valve is_______".
- correct answer 3/4
the maximum size bottom blowdown valve on a boiler is_________".
- correct answer 2 1/2
a ________ allows condensate to pass through, but stops Steam.
- correct answer a steam trap
when taking over a shift, the first thing to do is check the________
- correct answer water level in each boiler
according to the asme code, a high-pressure boiler having more than 500 square feet of heating surface
shall have________
- correct answer two or more safety valves
, the probable cause of an increase in temperature of gases of combustion at the boiler Outlet is____
- correct answer dirty heating services
boilers in battery equipped with________ must have two main steam stop valves and a free-flowing
drain between them
- correct answer manhole openings
in order to be sure the gauge glass is indicating an accurate water level reading, the stationary engineer
should______
- correct answer blowdown the gauge glass
a continuous blowdown line is located___
- correct answer in the Steam and water drum well below the nowl
a temperature reading of 80 degrees Celsius is equal to_________°f
- correct answer 176
a chimney temperature of 250 degrees Fahrenheit above steam temperature indicates_______
- correct answer poor efficiency
a manometer is red in________
- correct answer inches of water
the boiling point of water will____ with an increase in pressure
- correct answer be raised
if a lather is not obtained when performing a soap hardness test, the water sample is_______
- correct answer hard
combustion efficiency can be increased when air is________
- correct answer preheated
prep questions and answers 2026\2027 A+
Grade
_________ are necessary for complete combustion
- correct answer time, temperature, mixture, and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______
- correct answer 214.7
a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The
blowdown is______psi
- correct answer 12
an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-
generator
- correct answer steam turbine
a boiler is producing 40,000lb of steam/hr at a pressure of 100 PSI and a steam temperature of 500
degrees Fahrenheit. The steam produced is _______ steam
- correct answer superheated
the economizer on a boiler is used to _______
- correct answer add heat to the feed water
blowers are normally used with________ boilers
- correct answer water tube
overheating of tubes on a boiler can be caused by________
- correct answer scale on tubes
,carbon dioxide in a condensate return system causes_________
- correct answer channeling
a ________ pump is a positive displacement pump
- correct answer reciprocating
a boiler generating 6000 lb of steam/hr produces _______btu/hr
- correct answer 6,000,000
a bottom blowdown is performed on a boiler to _____
- correct answer discharge sludge and sediment
water columns are connected to the boiler with a minimum of _______" pipe
- correct answer 1
the minimum size of a water column blowdown valve is_______".
- correct answer 3/4
the maximum size bottom blowdown valve on a boiler is_________".
- correct answer 2 1/2
a ________ allows condensate to pass through, but stops Steam.
- correct answer a steam trap
when taking over a shift, the first thing to do is check the________
- correct answer water level in each boiler
according to the asme code, a high-pressure boiler having more than 500 square feet of heating surface
shall have________
- correct answer two or more safety valves
, the probable cause of an increase in temperature of gases of combustion at the boiler Outlet is____
- correct answer dirty heating services
boilers in battery equipped with________ must have two main steam stop valves and a free-flowing
drain between them
- correct answer manhole openings
in order to be sure the gauge glass is indicating an accurate water level reading, the stationary engineer
should______
- correct answer blowdown the gauge glass
a continuous blowdown line is located___
- correct answer in the Steam and water drum well below the nowl
a temperature reading of 80 degrees Celsius is equal to_________°f
- correct answer 176
a chimney temperature of 250 degrees Fahrenheit above steam temperature indicates_______
- correct answer poor efficiency
a manometer is red in________
- correct answer inches of water
the boiling point of water will____ with an increase in pressure
- correct answer be raised
if a lather is not obtained when performing a soap hardness test, the water sample is_______
- correct answer hard
combustion efficiency can be increased when air is________
- correct answer preheated
