LA Steam Engineer questions and answers
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
If a centrifugal pump that operates with suction lift becomes air bound you should? - ANSWER
Reprime the pump
An important consideration in the prevention of carryover in a boiler is to? - ANSWER Control
water level
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
If a centrifugal pump that operates with suction lift becomes air bound you should? - ANSWER
Reprime the pump
An important consideration in the prevention of carryover in a boiler is to? - ANSWER Control
water level
