LA STEAM ENGINEER EXAM QUESTIONS &
CORRECT ANSWERS LATEST 2025
A desuperheater that is installed in a boiler is used to control.. - ANSWER-Super
heated steam temperature
Economizers are finned to.. - ANSWER-Increase the rate of heat for heat transfer
The heat transfer taking place in a surface condenser is accomplished mainly by.. -
ANSWER-Conduction
An unfired pressure vessel which is used to transfer heat from one substance to
another is called.. - ANSWER-Feed water heater, Evaporator and Oil Cooler
Boiler economizers are primarily used for.. - ANSWER-Recovery heat from flue gas
The main purpose of the deaerator is to.. - ANSWER-Eliminate non-condensable
gases
Superheated steam is more efficient because.. - ANSWER-Temperature & Total
heat content are increased
A spear boiler feed water pump is equipped with a check valve in the discharge
line to... - ANSWER-Permit fast start up by leaving the discharge valve open
, Excessive fireside deposits on heating surfaces of a uncontrolled super heated
boiler would be indicated by... - ANSWER-Decreased super heater outlet
temperature
Why is the super heater safety valve set to release before the drum safety? -
ANSWER-To ensure flow through the super heater
What is the purpose of a steam trap? - ANSWER-To drain water and air
A steam trap utilizes flash steam to open but what comes after for the closing
operation? - ANSWER-Impulse
Pitting in suction areas of a bronze impeller in centrifugal pumps is usually caused
by? - ANSWER-(Best answer) Cavitation or (Second Best) Corrosion
What type of pump has no moving parts? - ANSWER-Jet pump
Centrifugal boiler feed water pumps are usually equipped with? - ANSWER-Bypass
valves
Which condition is the probable cause of centrifugal pump failure to deliver water
when first started? - ANSWER-Pump is not primed
Low pressure from metering or proportioning pumps may be caused by? -
ANSWER-Rapid wear on plunger
CORRECT ANSWERS LATEST 2025
A desuperheater that is installed in a boiler is used to control.. - ANSWER-Super
heated steam temperature
Economizers are finned to.. - ANSWER-Increase the rate of heat for heat transfer
The heat transfer taking place in a surface condenser is accomplished mainly by.. -
ANSWER-Conduction
An unfired pressure vessel which is used to transfer heat from one substance to
another is called.. - ANSWER-Feed water heater, Evaporator and Oil Cooler
Boiler economizers are primarily used for.. - ANSWER-Recovery heat from flue gas
The main purpose of the deaerator is to.. - ANSWER-Eliminate non-condensable
gases
Superheated steam is more efficient because.. - ANSWER-Temperature & Total
heat content are increased
A spear boiler feed water pump is equipped with a check valve in the discharge
line to... - ANSWER-Permit fast start up by leaving the discharge valve open
, Excessive fireside deposits on heating surfaces of a uncontrolled super heated
boiler would be indicated by... - ANSWER-Decreased super heater outlet
temperature
Why is the super heater safety valve set to release before the drum safety? -
ANSWER-To ensure flow through the super heater
What is the purpose of a steam trap? - ANSWER-To drain water and air
A steam trap utilizes flash steam to open but what comes after for the closing
operation? - ANSWER-Impulse
Pitting in suction areas of a bronze impeller in centrifugal pumps is usually caused
by? - ANSWER-(Best answer) Cavitation or (Second Best) Corrosion
What type of pump has no moving parts? - ANSWER-Jet pump
Centrifugal boiler feed water pumps are usually equipped with? - ANSWER-Bypass
valves
Which condition is the probable cause of centrifugal pump failure to deliver water
when first started? - ANSWER-Pump is not primed
Low pressure from metering or proportioning pumps may be caused by? -
ANSWER-Rapid wear on plunger
