FIRST CLASS STEAM LICENSE EXAM ACTUAL
EXAM 2026 | ALL QUESTIONS AND CORRECT
ANSWERS | VERIFIED ANSWERS | UPDATED
VERSION
What is the purpose of steam traps? ---------CORRECT ANSWER------------
-----1. To trap steam.
2. Vent air.
3. Remove condensate from steam lines.
What is the purpose of the steam strainer? ---------CORRECT ANSWER---
--------------To keep rust and debris from entering the inlet side of a
steam trap.
Which valve cannot be used as a main steam valve?
A. Globe
B. Gate
C. OS&Y ---------CORRECT ANSWER-----------------Globe.
,The 2 types of steam traps are: ---------CORRECT ANSWER-----------------
Return and Non-Return.
The 4 kinds of steam traps: ---------CORRECT ANSWER-----------------1.
Thermostatic
2. Float Thermostatic.
3. Inverted Bucket.
4. Thermodynamic.
Name 2 tests for steam trap operation. ---------CORRECT ANSWER---------
--------1. Strap on thermometers.
2. Temperature crayons.
What does it mean when a pump is steam bound? ---------CORRECT
ANSWER-----------------The water that is was pumping has become too
hot and flashed into steam. This is usually caused by a "blowing" steam
trap.
,Water Hammer ---------CORRECT ANSWER-----------------The noise which
is a result of high-velocity steam passing over pockets of water which
have collected in the piping
Start up load ---------CORRECT ANSWER-----------------The condensate
that is formed in bringing the piping and radiators up to steam
temperature.
Priming ---------CORRECT ANSWER-----------------the carrying of small
particles of water into the steam piping. It may be caused by impurities
in the water, which foams up as it boils, or simply too high a water
level.
Foaming ---------CORRECT ANSWER-----------------Bubbles or froth that is
a build-up on the surface of the boiler water. it is caused by high
concentration of any solids in the boiler water.
Bullheading a Tee ---------CORRECT ANSWER-----------------The practice of
piping the steam supply into the bull of the tee and allowing it to pass
through to the runs of the tee. This will cause the steam to crash into
the back of the tee and cause water hammer and disrupt the flow of
the steam. NEVER BULLHEAD A TEE !!!
, A line desuperheater is used in conjunction with a ___. ---------CORRECT
ANSWER-----------------pressure-reducing station
Some plants are equipped with a ___ instead of a blowdown tank. -------
--CORRECT ANSWER-----------------blowdown separator
If steam has a quality of ___%, it is 98% vapor and contains 2% water. --
-------CORRECT ANSWER-----------------98
In a heat recovery system, the ___ regulates the flow of makeup water
to the flash economizer. ---------CORRECT ANSWER-----------------
proportioning valve
if the boiler is generating 20,000 lb/hr of steam, it must be supplied
with ________ lb/hr of feedwater ---------CORRECT ANSWER----------------
-20,000
EXAM 2026 | ALL QUESTIONS AND CORRECT
ANSWERS | VERIFIED ANSWERS | UPDATED
VERSION
What is the purpose of steam traps? ---------CORRECT ANSWER------------
-----1. To trap steam.
2. Vent air.
3. Remove condensate from steam lines.
What is the purpose of the steam strainer? ---------CORRECT ANSWER---
--------------To keep rust and debris from entering the inlet side of a
steam trap.
Which valve cannot be used as a main steam valve?
A. Globe
B. Gate
C. OS&Y ---------CORRECT ANSWER-----------------Globe.
,The 2 types of steam traps are: ---------CORRECT ANSWER-----------------
Return and Non-Return.
The 4 kinds of steam traps: ---------CORRECT ANSWER-----------------1.
Thermostatic
2. Float Thermostatic.
3. Inverted Bucket.
4. Thermodynamic.
Name 2 tests for steam trap operation. ---------CORRECT ANSWER---------
--------1. Strap on thermometers.
2. Temperature crayons.
What does it mean when a pump is steam bound? ---------CORRECT
ANSWER-----------------The water that is was pumping has become too
hot and flashed into steam. This is usually caused by a "blowing" steam
trap.
,Water Hammer ---------CORRECT ANSWER-----------------The noise which
is a result of high-velocity steam passing over pockets of water which
have collected in the piping
Start up load ---------CORRECT ANSWER-----------------The condensate
that is formed in bringing the piping and radiators up to steam
temperature.
Priming ---------CORRECT ANSWER-----------------the carrying of small
particles of water into the steam piping. It may be caused by impurities
in the water, which foams up as it boils, or simply too high a water
level.
Foaming ---------CORRECT ANSWER-----------------Bubbles or froth that is
a build-up on the surface of the boiler water. it is caused by high
concentration of any solids in the boiler water.
Bullheading a Tee ---------CORRECT ANSWER-----------------The practice of
piping the steam supply into the bull of the tee and allowing it to pass
through to the runs of the tee. This will cause the steam to crash into
the back of the tee and cause water hammer and disrupt the flow of
the steam. NEVER BULLHEAD A TEE !!!
, A line desuperheater is used in conjunction with a ___. ---------CORRECT
ANSWER-----------------pressure-reducing station
Some plants are equipped with a ___ instead of a blowdown tank. -------
--CORRECT ANSWER-----------------blowdown separator
If steam has a quality of ___%, it is 98% vapor and contains 2% water. --
-------CORRECT ANSWER-----------------98
In a heat recovery system, the ___ regulates the flow of makeup water
to the flash economizer. ---------CORRECT ANSWER-----------------
proportioning valve
if the boiler is generating 20,000 lb/hr of steam, it must be supplied
with ________ lb/hr of feedwater ---------CORRECT ANSWER----------------
-20,000
