1|Page
Maryland Grade 1 Stationary Engineer Exam ACTUAL
VERIFIED QUESTIONS AND ANSWERS LATEST
UPDATE.pdf 1
Air needed for combustion of fuel is made up of
approximately _________% oxygen and ________
nitrogen - Answer-20, 80
What is the pressure applied on the boiler during a
hydrostatic test? - Answer-1.5 times the Maximum Allowed
Working Pressure
Natural water may contain.... - Answer-Solids, gases, and
other pollutants from industrial waste
Recorders are used to.... - Answer-Give an overall view of
the Steam planet operation
Adirect cause oh overheating of the boiler tubes is..... -
Answer-Scale formation on the tubes
The primary function of a combustion control is to
ensure.... - Answer-Boiler efficiency
,2|Page
Flow meters measure the rate of flow of.... - Answer-A
variety of fluids
What is the cooling tower supply water temperature
generally? - Answer-80 degrees
What is the cooling tower return water temperature
generally? - Answer-90 degrees
Most thermometers used in a steam plant are calibrated in
what? - Answer-Degrees/ Fahrenheit
Thermocouples measure... - Answer-Temperature
Carbon Dioxide in the flue has is a sign of what kind of
combustion? - Answer-Complete
Bituminous coal has a high ______ content - Answer-
Volatile
,3|Page
The types of variable area flow meters are.... (2 Answers) -
Answer-Rotometer and Valve
The Rotometer flow meter consists of a ___________ -
Answer-Ball in a tapered tube
Stay bolts Reinforce flat boiler surface. What do you do if
one becomes broken? - Answer-Replace the Stay Bolt
The madulating pressure control is sensitive to what? -
Answer-Temperature
The boiler steam-pressure gauge is protected from high
temperatures by - Answer-siphon
Compressor does what? - Answer-Changes low pressure
gas to a high pressure liquid
What should never be blown down during furnace
operation? - Answer-Water walls
, 4|Page
Light and a photoelectric cell are sometimes used to
indicate - Answer-smoke density
The cold lime-soda process softens the boiler water at? -
Answer-Ambient Temperature
Gases of Combustion that cool on Contact with the boiler
heating Surface before combustion is completed Cause
a(n) _________ - Answer-Formation of soot and smoke
In the event of a flame failure, the programmer will______
- Answer-Secure the fuel, purge the firebox, and then shut
down
Boil the water must be conditioned to prevent ______ (3
Answers) - Answer-Formation of scale, oxygen pitting,
carryover
Rank refers to the __________ of the coal - Answer-
Degree of Hardness
Gauge pressure plus atmospheric pressure equals what? -
Answer-Absolute pressure
Maryland Grade 1 Stationary Engineer Exam ACTUAL
VERIFIED QUESTIONS AND ANSWERS LATEST
UPDATE.pdf 1
Air needed for combustion of fuel is made up of
approximately _________% oxygen and ________
nitrogen - Answer-20, 80
What is the pressure applied on the boiler during a
hydrostatic test? - Answer-1.5 times the Maximum Allowed
Working Pressure
Natural water may contain.... - Answer-Solids, gases, and
other pollutants from industrial waste
Recorders are used to.... - Answer-Give an overall view of
the Steam planet operation
Adirect cause oh overheating of the boiler tubes is..... -
Answer-Scale formation on the tubes
The primary function of a combustion control is to
ensure.... - Answer-Boiler efficiency
,2|Page
Flow meters measure the rate of flow of.... - Answer-A
variety of fluids
What is the cooling tower supply water temperature
generally? - Answer-80 degrees
What is the cooling tower return water temperature
generally? - Answer-90 degrees
Most thermometers used in a steam plant are calibrated in
what? - Answer-Degrees/ Fahrenheit
Thermocouples measure... - Answer-Temperature
Carbon Dioxide in the flue has is a sign of what kind of
combustion? - Answer-Complete
Bituminous coal has a high ______ content - Answer-
Volatile
,3|Page
The types of variable area flow meters are.... (2 Answers) -
Answer-Rotometer and Valve
The Rotometer flow meter consists of a ___________ -
Answer-Ball in a tapered tube
Stay bolts Reinforce flat boiler surface. What do you do if
one becomes broken? - Answer-Replace the Stay Bolt
The madulating pressure control is sensitive to what? -
Answer-Temperature
The boiler steam-pressure gauge is protected from high
temperatures by - Answer-siphon
Compressor does what? - Answer-Changes low pressure
gas to a high pressure liquid
What should never be blown down during furnace
operation? - Answer-Water walls
, 4|Page
Light and a photoelectric cell are sometimes used to
indicate - Answer-smoke density
The cold lime-soda process softens the boiler water at? -
Answer-Ambient Temperature
Gases of Combustion that cool on Contact with the boiler
heating Surface before combustion is completed Cause
a(n) _________ - Answer-Formation of soot and smoke
In the event of a flame failure, the programmer will______
- Answer-Secure the fuel, purge the firebox, and then shut
down
Boil the water must be conditioned to prevent ______ (3
Answers) - Answer-Formation of scale, oxygen pitting,
carryover
Rank refers to the __________ of the coal - Answer-
Degree of Hardness
Gauge pressure plus atmospheric pressure equals what? -
Answer-Absolute pressure
