And Well Analyzed Exam Questions (Actual Exam 2026-2027) Correct
Detailed & Verified ANSWERS (100% Accurate Solutions) ALREADY
GRADED A+||NEWEST VERSION Of The Exam Guarantee Pass!!
good solution relative to damaged bricks in a wood stove is? - ANSWER-use full
bricks from the floor of the fire box
a pipe that passes through a wall, goes up the wall, to a slanted cap, is called? -
ANSWER-snorkel vent
weekly maintenance for a pellet stove includes... - ANSWER-1. Examine / clean
heat exchanger tubes
2. clean the fire pot (as needed)
3. clean door glass (as needed)
4. clean ash trap (as needed)
If elbow comes apart during service, it must... - ANSWER-be replaced
soot or creosote of what thickness should be removed from the chimney and
connector? - ANSWER-1/8"
oil soot is often _______ than typical wood burning creosote? - ANSWER-lighter -
in color and by weight
masonry chimney deterioration just below the roofline indicates what? -
ANSWER-leaking flashing
,stack control is the... - ANSWER-primary safety switch
stack control can be reset by... - ANSWER-drawing out the lever 1/4" to align
contacts and releasing slowly
newer oil fired appliances use what as the stack control? - ANSWER-photo
sensitive cad cell relay
what is an appliance data plate - ANSWER-reference used to determine the
proper category for an appliance
what are catalytic combustors - ANSWER-designed to increase combustion
efficiency of the appliance by lowering the ignition temperature of flue gas
passing through
what is combustion efficiency - ANSWER-% of potential energy converted to
useful heat in the fire chamber of the appliance
what contributes to the greatest combustion efficiency? - ANSWER-Time,
Temperature, Turbulence
takes 1100 degrees to get complete combustion of wood fuel
sulfuric acid is formed by... - ANSWER-coal mixed with water
ideal moisture content of wood - ANSWER-15% - 25%
, dry wood amount of BTUs? - ANSWER-dry wood = 8600 BTUs / lb
more moisture = lower BTUs
oil produces how many BTUs per gallon? - ANSWER-140,000 BTUs / gallon
liquid propane produces how many BTUs per ft3 - ANSWER-2500 BTUs / ft3
BTUs from natural gas - ANSWER-Natural gas = 1000 BTUs
height of chimney beyond roof? - ANSWER-2 feet above the ridge, measuring
from top of chimney
what is a B vent pipe - ANSWER-1. double wall and aluminum inner liner
2. for gas appliances, listed for B with draft hood
what is a BW vent - ANSWER-1. oval, designed to fit in studded wall cavity
2. originally listed for gas wall furnace
What are single wall connectors known as? Give measurements? - ANSWER-1.
known as the "breech"
2. 6-10" diameter, minimum 24 guage steel
modern inserts almost always require... - ANSWER-a liner to the top (known as a
positive connection)