MD STATIONARY ENGINEER EXAM
QUESTIONS AND ANSWERS 2026
Gases of Combustion that cool on Contact with the boiler heating Surface before
combushion is completed Cause a(n) _________ - ANSWERSFormation of soot and
smoke
In the event of a flame failure, the programmer will______ - ANSWERSSecure the fuel,
purge the firebox, and then shut down
Boil the water must be conditioned to prevent ______ (3 Answers) -
ANSWERSFormation of scale, oxygen pitting, carryover
Rank refers to the __________ of the coal - ANSWERSDegree of Hardness
Gauge pressure plus atmospheric pressure equals what? - ANSWERSAbsolute
pressure
Air needed for combustion of fuel is made up of approximately _________% oxygen
and ________ nitrogen - ANSWERS20, 80
What is the pressure applied on the boiler during a hydrostatic test? - ANSWERS1.5
times the Maximum Allowed Working Pressure
Natural water may contain.... - ANSWERSSolids, gases, and other pollutants from
industrial waste
Recorders are used to.... - ANSWERSGive an overall view of the Steam planet
operation
Adirect cause oh overheating of the boiler tubes is..... - ANSWERSScale formation on
the tubes
The primary function of a combustion control is to ensure.... - ANSWERSBoiler
efficiency
Flow meters measure the rate of flow of.... - ANSWERSA variety of fluids
What is the cooling tower supply water temperature generally? - ANSWERS80 degrees
What is the cooling tower return water temperature generally? - ANSWERS90 degrees
QUESTIONS AND ANSWERS 2026
Gases of Combustion that cool on Contact with the boiler heating Surface before
combushion is completed Cause a(n) _________ - ANSWERSFormation of soot and
smoke
In the event of a flame failure, the programmer will______ - ANSWERSSecure the fuel,
purge the firebox, and then shut down
Boil the water must be conditioned to prevent ______ (3 Answers) -
ANSWERSFormation of scale, oxygen pitting, carryover
Rank refers to the __________ of the coal - ANSWERSDegree of Hardness
Gauge pressure plus atmospheric pressure equals what? - ANSWERSAbsolute
pressure
Air needed for combustion of fuel is made up of approximately _________% oxygen
and ________ nitrogen - ANSWERS20, 80
What is the pressure applied on the boiler during a hydrostatic test? - ANSWERS1.5
times the Maximum Allowed Working Pressure
Natural water may contain.... - ANSWERSSolids, gases, and other pollutants from
industrial waste
Recorders are used to.... - ANSWERSGive an overall view of the Steam planet
operation
Adirect cause oh overheating of the boiler tubes is..... - ANSWERSScale formation on
the tubes
The primary function of a combustion control is to ensure.... - ANSWERSBoiler
efficiency
Flow meters measure the rate of flow of.... - ANSWERSA variety of fluids
What is the cooling tower supply water temperature generally? - ANSWERS80 degrees
What is the cooling tower return water temperature generally? - ANSWERS90 degrees
