Plant operation practice questions and
answers latest update | 2025
The BLANK is the part of the boiler with water on one side and heat on the other
CORRECT ANSWERS Heating surface
A furnace explosion can be caused by Blank CORRECT ANSWERS 1 A buildup of
combustible gases or vapor, 2improper furnace purge, 3 leaking gas or fuel oil, 4 ALL
OF THE ABOVE correct answer is all of the above
The first thing a boiler operator should do when taking over a shift is BLANK CORRECT
ANSWERS check the boiler water level
A BLANK may be required on some boilers to remove oxygen and other gases
CORRECT ANSWERS Feedwater heater
The breaking up of fuel into small particles to maximize contact of fuel with air for
combustion is BLANK. CORRECT ANSWERS Atomization
A BLANK is a device used to measure radiation emitted from an object CORRECT
ANSWERS Infrared thermometer
All running auxiliaries (fuel oil pumps,fan , water pump, and burner) should be checked
for proper BLANK CORRECT ANSWERS Temperature, pressure, lubrication, ALL OF
THE ABOVE
The BLANK is the temperature at which fuel oil will burn continuously when exposed to
an open flame. CORRECT ANSWERS Fire point
Steam separators work on the principle of BLANK CORRECT ANSWERS Changing the
direction of the steam flow
Natural draft is produced by a BLANK CORRECT ANSWERS Difference in temperature
of a column of gas inside the chimney from a column of air outside the chimney
A burner should always start up in blank fire and shut down in blank fire CORRECT
ANSWERS Low, low
The purpose of the fuel oil return line is to BLANK CORRECT ANSWERS 1 Circulate
fuel oil during warm-up, 2 return fuel oil that bypasses the burner, 3 return fuel oil from
the relief valve,4 ALL OF THE ABOVE correct answer is all of the above
Safety valves are designed to BLANK CORRECT ANSWERS Pop open
answers latest update | 2025
The BLANK is the part of the boiler with water on one side and heat on the other
CORRECT ANSWERS Heating surface
A furnace explosion can be caused by Blank CORRECT ANSWERS 1 A buildup of
combustible gases or vapor, 2improper furnace purge, 3 leaking gas or fuel oil, 4 ALL
OF THE ABOVE correct answer is all of the above
The first thing a boiler operator should do when taking over a shift is BLANK CORRECT
ANSWERS check the boiler water level
A BLANK may be required on some boilers to remove oxygen and other gases
CORRECT ANSWERS Feedwater heater
The breaking up of fuel into small particles to maximize contact of fuel with air for
combustion is BLANK. CORRECT ANSWERS Atomization
A BLANK is a device used to measure radiation emitted from an object CORRECT
ANSWERS Infrared thermometer
All running auxiliaries (fuel oil pumps,fan , water pump, and burner) should be checked
for proper BLANK CORRECT ANSWERS Temperature, pressure, lubrication, ALL OF
THE ABOVE
The BLANK is the temperature at which fuel oil will burn continuously when exposed to
an open flame. CORRECT ANSWERS Fire point
Steam separators work on the principle of BLANK CORRECT ANSWERS Changing the
direction of the steam flow
Natural draft is produced by a BLANK CORRECT ANSWERS Difference in temperature
of a column of gas inside the chimney from a column of air outside the chimney
A burner should always start up in blank fire and shut down in blank fire CORRECT
ANSWERS Low, low
The purpose of the fuel oil return line is to BLANK CORRECT ANSWERS 1 Circulate
fuel oil during warm-up, 2 return fuel oil that bypasses the burner, 3 return fuel oil from
the relief valve,4 ALL OF THE ABOVE correct answer is all of the above
Safety valves are designed to BLANK CORRECT ANSWERS Pop open