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JOURNEYMAN OIL EXAM SOLVED AND VERIFIED #6
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JOURNEYMAN OIL EXAM SOLVED AND VERIFIED #6
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JOURNEYMAN OIL EXAM SOLVED AND VERIFIED #6TT terminals are normally used for?
A. Line 1
B. Neutral
C. Thermostat
D. Burner load - correct answer C. Thermostat
The stack mount primary control must be ______ prior to use.
A. Stepped on
B. Put in step
C. Reset
D. None of the above - correct answer B. Put in step
The ECM (electrically commuted motor) features:
A. Quicker shut-off
B. Quicker starting
C. Variable speed motor capability
D. All of the above - correct answer C. Variable speed motor capability
The cad cell control will go to the lock out position when a reading of _______ ohms are
found at the cad cell.
A. 300
B. 700
C. 2000
D. 1600 - correct answer D. 1600
When the FF terminals are jumped after starting up and the controls goes into lock out
what is the correct action?
A. Reset control
B. Jump out TT
C. Replace control
D. Replace cad cell - correct answer C. Replace control
The following factors affect cad cell performance except:
, A. Cell alignment
B. Dirty cell
C. Improper flame
D. Thermostat setting - correct answer D. Thermostat setting
A switching relay can be used to
A. Control a line voltage device with low voltage controller
B. Control a low voltage device with a line voltage controller
C. Control two devices from a single controller
D. All of the above - correct answer D. All of the above
Safety timing is the same as flame response.
T/F? - correct answer False
How do you take a control out of latch up?
A. Press reset button
B. Press reset and hold for 60 seconds
C. Disconnect line power and reconnect
D. All of the above - correct answer B. Press reset and hold for 60 seconds.
The red wire on Carlin microprocessor controls is for what purpose?
A. Burner
B. Limit
C. Line 2
D. Post purge - correct answer D. Post purge
The normal ohms range for a cad cell during burning operation?
A. 1600-2000
B. 1000-1500
C. 300-1000
D. None of the above - correct answer C. 300-1000
When selecting the proper safety timing of a cad cell control what is the most important
factor?
A. Size of the fire box
B. Spray angle of the nozzle
C. Burner make and model
D. Maximum specified GPH input of the burner - correct answer D. Maximum specified
GPH input of the burner
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