Engineers License Study Guide
QUESTIONS AND ANSWERS
What winding is connected to the load? - ANSWER>>secondary
Regulates the steam pressure? - ANSWER>>Modulating pressure control
When can you blow down a water wall? - ANSWER>>when there is no pressure on
the boiler
What must be done to prevent flashback? - ANSWER>>purge
Steam at a high velocity is converted into _ _ _ _ _ _ _ _ _ _engery? -
ANSWER>>kinetic energy
Supercritical pressure and saturation temperature? - ANSWER>>3206 PSIA at
705.4°F
One gallon of water weighs? - ANSWER>>8.33 pounds
Cylinder color of R -407C? - ANSWER>>chocolate
Cylinder color of R -404a? - ANSWER>>orange
How are particulates discharged into hoppers? - ANSWER>>rappers
First regulations of the clean air act? - ANSWER>>1963
How many cubic inches of steam space is in a cylinder of an engine 10 " x 24 "
with a stroke of full travel? - ANSWER>>1243
, Where is the flame-sensing device located? - ANSWER>>on the front of the
furnace
Oil cooler pumps should be maintained at? - ANSWER>>140-160 f
What is fail-safe and cannot reclose its self? - ANSWER>>rupture disc
What controls the speed of the turbine? - ANSWER>>control speed governor
What two elements produce the most heat in fuel? - ANSWER>>hydrogen and
carbon
ejectors/vacuum pumps - ANSWER>>What removes non-condensable?
Where would scale form? - ANSWER>>below the water line
What is Cold Junction? - ANSWER>>it is used as a reference point
Where would you find downcomers? - ANSWER>>a water tube boiler
Chemical used to perform water treatment? - ANSWER>>reagents
What minerals cause scale? - ANSWER>>calcium and magnesium
Process of introducing fresh air into a building? - ANSWER>>ventilation
A boiler requiring excessive amounts of oxgen scavenging chemicals could
indicate? - ANSWER>>a malfunctioning DA
Device that opens at 75% of the motors rated speed? - ANSWER>>centrifugal
switch
Bursting psi is 1200, allowable PSI is 200. Safety Factor? - ANSWER>>6.0
QUESTIONS AND ANSWERS
What winding is connected to the load? - ANSWER>>secondary
Regulates the steam pressure? - ANSWER>>Modulating pressure control
When can you blow down a water wall? - ANSWER>>when there is no pressure on
the boiler
What must be done to prevent flashback? - ANSWER>>purge
Steam at a high velocity is converted into _ _ _ _ _ _ _ _ _ _engery? -
ANSWER>>kinetic energy
Supercritical pressure and saturation temperature? - ANSWER>>3206 PSIA at
705.4°F
One gallon of water weighs? - ANSWER>>8.33 pounds
Cylinder color of R -407C? - ANSWER>>chocolate
Cylinder color of R -404a? - ANSWER>>orange
How are particulates discharged into hoppers? - ANSWER>>rappers
First regulations of the clean air act? - ANSWER>>1963
How many cubic inches of steam space is in a cylinder of an engine 10 " x 24 "
with a stroke of full travel? - ANSWER>>1243
, Where is the flame-sensing device located? - ANSWER>>on the front of the
furnace
Oil cooler pumps should be maintained at? - ANSWER>>140-160 f
What is fail-safe and cannot reclose its self? - ANSWER>>rupture disc
What controls the speed of the turbine? - ANSWER>>control speed governor
What two elements produce the most heat in fuel? - ANSWER>>hydrogen and
carbon
ejectors/vacuum pumps - ANSWER>>What removes non-condensable?
Where would scale form? - ANSWER>>below the water line
What is Cold Junction? - ANSWER>>it is used as a reference point
Where would you find downcomers? - ANSWER>>a water tube boiler
Chemical used to perform water treatment? - ANSWER>>reagents
What minerals cause scale? - ANSWER>>calcium and magnesium
Process of introducing fresh air into a building? - ANSWER>>ventilation
A boiler requiring excessive amounts of oxgen scavenging chemicals could
indicate? - ANSWER>>a malfunctioning DA
Device that opens at 75% of the motors rated speed? - ANSWER>>centrifugal
switch
Bursting psi is 1200, allowable PSI is 200. Safety Factor? - ANSWER>>6.0
