OIL BURNER LICENSE (MASSACHUSET m m m
TS) EXAM NEWEST ACTUAL EXAM WIT
m m m m m
H COMPLETE QUESTIONS AND DETAIL
m m m m
ED ANSWERS GRADED A | BRAND NE
m m m m m m
W!!!
The fan limit control on a warm air unit is used to: -
m m m m m m m m m m m m
m✔✔✔ Correct Answer > - m m m m
Shut off the burner at a predetermined temperature
m m m m m m m
-Start the blower at a predetermined temperature
m m m m m m
-Stop the blower at a predetermined temperature
m m m m m m
In all residential oil heating systems, the high limit control must
m m m m m m m m m m m
be: - m
m✔✔✔ Correct Answer > Line voltage and wired in series with t
m m m m m m m m m m m
he primary control
m m
Low voltage thermostats are more widely used van line voltage
m m m m m m m m m
mthermostats because: - m m
m✔✔✔ Correct Answer > They are more sensitive to ambient te
m m m m m m m m m m
mperature
,When a thermostat appears to be out of calibration, before rec
m m m m m m m m m m
alibration it is important to first: - ✔✔✔ Correct Answer > -
m m m m m m m m m m m
mBe sure the thermostat is level
m m m m m
-
Check to see that the hole behind the thermostat is sealed off p
m m m m m m m m m m m m
roperly
-
Be sure that the thermostat is acclimated to the room temperat
m m m m m m m m m m
ure
The primary control must be capable of: -
m m m m m m m
✔✔✔ Correct Answer > -Reacting to the absence of flame
m m m m m m m m m m
-Controlling the ignition and motor m m m m
-Locking out on safety in the event of flame failure
m m m m m m m m m
When an interrupted ignition stack mounted primary is energiz
m m m m m m m m
ed call -
m m
✔✔✔ Correct Answer > The motor and ignition relays pull in t
m m m m m m m m m m m m
ogether
When using a remote mounted heat sensing primary control, th
m m m m m m m m m
e flame detector is often referred to as: -
m m m m m m m m
m✔✔✔ Correct Answer > Pyrostat
m m m m
,Because of the cad cell eye's limited sensing range, it can only b
m m m m m m m m m m m m
e used effectively to: -
m m m m
m✔✔✔ Correct Answer > Monitor an oil flame
m m m m m m m
It has been established that
m m m m m
of steam is sufficient to m m m m
operate any residential one-pipe steam system. -
m m m m m m m
✔✔✔ Correct Answer > 2 psi
m m m m m m
When installing a replacement steam boiler, it is important to: -
m m m m m m m m m m
✔✔✔ Correct Answer > Follow the manufacturers piping instru
m m m m m m m m
ction
In the early 1900's the
m m m m m
was invented to prevent water m m m m
mfrom leaving the steam boiler should a return line spring a leak.
m m m m m m m m m m m
- ✔✔✔ Correct Answer > Hartford Loop
m m m m m m
One of the reasons a radiator on a two pipe system fails to heat
m m m m m m m m m m m m m m
may be: - ✔✔✔ Correct Answer > A faulty thermostat trap
m m m m m m m m m m
A steam pigtail should always be installed between the pressur
m m m m m m m m m
etrol and the boiler to: -
m m m m m
✔✔✔ Correct Answer > Place a water seal between the boiler
m m m m m m m m m m m
mand the pressuretrol
m m
, In a one-
m m
pipe system, the minimum distance between the water level a
m m m m m m m m m
nd the bottom of the lowest steam carrying pipe is: -
m m m m m m m m m m
m✔✔✔ Correct Answer > 28 inches
m m m m m
To prevent scalding temperatures at the domestic water fixtur
m m m m m m m m
es when using a tankless coil, it is important to install a: -
m m m m m m m m m m m m
✔✔✔ Correct Answer > Tempering valve
m m m m m
A typical residential zone valve for a hot water heating system n
m m m m m m m m m m m
ormally operates on: - ✔✔✔ Correct Answer > 24 volts
m m m m m m m m m
In most residential hot water heating systems, the design temp
m m m m m m m m m
erature difference between the supply and return water is: -
m m m m m m m m m
m✔✔✔ Correct Answer > 20° F
m m m m m
To properly size a zone circulator, you must know the following:
m m m m m m m m m m
-
m✔✔✔ Correct Answer > The gpm and feet of head of the piping
m m m m m m m m m m m m
The m
is used to prevent gravity circulation through the sys
m m m m m m m m
tem when the boiler maintains temperature. -
m m m m m m
m✔✔✔ Correct Answer > Flow control valve
m m m m m m
TS) EXAM NEWEST ACTUAL EXAM WIT
m m m m m
H COMPLETE QUESTIONS AND DETAIL
m m m m
ED ANSWERS GRADED A | BRAND NE
m m m m m m
W!!!
The fan limit control on a warm air unit is used to: -
m m m m m m m m m m m m
m✔✔✔ Correct Answer > - m m m m
Shut off the burner at a predetermined temperature
m m m m m m m
-Start the blower at a predetermined temperature
m m m m m m
-Stop the blower at a predetermined temperature
m m m m m m
In all residential oil heating systems, the high limit control must
m m m m m m m m m m m
be: - m
m✔✔✔ Correct Answer > Line voltage and wired in series with t
m m m m m m m m m m m
he primary control
m m
Low voltage thermostats are more widely used van line voltage
m m m m m m m m m
mthermostats because: - m m
m✔✔✔ Correct Answer > They are more sensitive to ambient te
m m m m m m m m m m
mperature
,When a thermostat appears to be out of calibration, before rec
m m m m m m m m m m
alibration it is important to first: - ✔✔✔ Correct Answer > -
m m m m m m m m m m m
mBe sure the thermostat is level
m m m m m
-
Check to see that the hole behind the thermostat is sealed off p
m m m m m m m m m m m m
roperly
-
Be sure that the thermostat is acclimated to the room temperat
m m m m m m m m m m
ure
The primary control must be capable of: -
m m m m m m m
✔✔✔ Correct Answer > -Reacting to the absence of flame
m m m m m m m m m m
-Controlling the ignition and motor m m m m
-Locking out on safety in the event of flame failure
m m m m m m m m m
When an interrupted ignition stack mounted primary is energiz
m m m m m m m m
ed call -
m m
✔✔✔ Correct Answer > The motor and ignition relays pull in t
m m m m m m m m m m m m
ogether
When using a remote mounted heat sensing primary control, th
m m m m m m m m m
e flame detector is often referred to as: -
m m m m m m m m
m✔✔✔ Correct Answer > Pyrostat
m m m m
,Because of the cad cell eye's limited sensing range, it can only b
m m m m m m m m m m m m
e used effectively to: -
m m m m
m✔✔✔ Correct Answer > Monitor an oil flame
m m m m m m m
It has been established that
m m m m m
of steam is sufficient to m m m m
operate any residential one-pipe steam system. -
m m m m m m m
✔✔✔ Correct Answer > 2 psi
m m m m m m
When installing a replacement steam boiler, it is important to: -
m m m m m m m m m m
✔✔✔ Correct Answer > Follow the manufacturers piping instru
m m m m m m m m
ction
In the early 1900's the
m m m m m
was invented to prevent water m m m m
mfrom leaving the steam boiler should a return line spring a leak.
m m m m m m m m m m m
- ✔✔✔ Correct Answer > Hartford Loop
m m m m m m
One of the reasons a radiator on a two pipe system fails to heat
m m m m m m m m m m m m m m
may be: - ✔✔✔ Correct Answer > A faulty thermostat trap
m m m m m m m m m m
A steam pigtail should always be installed between the pressur
m m m m m m m m m
etrol and the boiler to: -
m m m m m
✔✔✔ Correct Answer > Place a water seal between the boiler
m m m m m m m m m m m
mand the pressuretrol
m m
, In a one-
m m
pipe system, the minimum distance between the water level a
m m m m m m m m m
nd the bottom of the lowest steam carrying pipe is: -
m m m m m m m m m m
m✔✔✔ Correct Answer > 28 inches
m m m m m
To prevent scalding temperatures at the domestic water fixtur
m m m m m m m m
es when using a tankless coil, it is important to install a: -
m m m m m m m m m m m m
✔✔✔ Correct Answer > Tempering valve
m m m m m
A typical residential zone valve for a hot water heating system n
m m m m m m m m m m m
ormally operates on: - ✔✔✔ Correct Answer > 24 volts
m m m m m m m m m
In most residential hot water heating systems, the design temp
m m m m m m m m m
erature difference between the supply and return water is: -
m m m m m m m m m
m✔✔✔ Correct Answer > 20° F
m m m m m
To properly size a zone circulator, you must know the following:
m m m m m m m m m m
-
m✔✔✔ Correct Answer > The gpm and feet of head of the piping
m m m m m m m m m m m m
The m
is used to prevent gravity circulation through the sys
m m m m m m m m
tem when the boiler maintains temperature. -
m m m m m m
m✔✔✔ Correct Answer > Flow control valve
m m m m m m
