ACTUAL Exam Questions and CORRECT
Answers
Gases of Combustion that cool on Contact with the boiler heating Surface before combushion is
completed Cause a(n) _________ - CORRECT ANSWER - Formation of soot and smoke
In the event of a flame failure, the programmer will______ - CORRECT ANSWER -
Secure the fuel, purge the firebox, and then shut down
Boil the water must be conditioned to prevent ______ (3 Answers) - CORRECT
ANSWER - Formation of scale, oxygen pitting, carryover
Rank refers to the __________ of the coal - CORRECT ANSWER - Degree of Hardness
Gauge pressure plus atmospheric pressure equals what? - CORRECT ANSWER - Absolute
pressure
Air needed for combustion of fuel is made up of approximately _________% oxygen and
________ nitrogen - CORRECT ANSWER - 20, 80
What is the pressure applied on the boiler during a hydrostatic test? - CORRECT
ANSWER - 1.5 times the Maximum Allowed Working Pressure
Natural water may contain.... - CORRECT ANSWER - Solids, gases, and other pollutants
from industrial waste
Recorders are used to.... - CORRECT ANSWER - Give an overall view of the Steam
planet operation
, Adirect cause oh overheating of the boiler tubes is..... - CORRECT ANSWER - Scale
formation on the tubes
The primary function of a combustion control is to ensure.... - CORRECT ANSWER -
Boiler efficiency
Flow meters measure the rate of flow of.... - CORRECT ANSWER - A variety of fluids
What is the cooling tower supply water temperature generally? - CORRECT ANSWER -
80 degrees
What is the cooling tower return water temperature generally? - CORRECT ANSWER -
90 degrees
Most thermometers used in a steam plant are calibrated in what? - CORRECT ANSWER -
Degrees/ Fahrenheit
Thermocouples measure... - CORRECT ANSWER - Temperature
Carbon Dioxide in the flue has is a sign of what kind of combustion? - CORRECT
ANSWER - Complete
Bituminous coal has a high ______ content - CORRECT ANSWER - Volatile
The types of variable area flow meters are.... (2 Answers) - CORRECT ANSWER -
Rotometer and Valve
The Rotometer flow meter consists of a ___________ - CORRECT ANSWER - Ball in a
tapered tube