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Texas Residential Appliance Installer License
Exam||VERIFIED QUESTIONS AND VERIFIED
ANSWERS WITH RATIONALES||NEWEST EXAM!!!.pdf
Which two methods are used to locate a leak in the
propane system? 1) Electronic Leak Detector 2) Leak
Detector Solution 3) Pressure-drop Test 4) Hearing
(hissing sound).
A. 1 and 2
B. 2 and 3
C. 3 and 4
D. 1 and 3 - Answer-1 and 2
It is required that you change the fill valve on a mounted
ASME tank. To safely remove propane from the tank you
will
A. open the outage valve and drain the liquid.
B. remove the fill valve with the cap on.
C. burn off the propane with a suitable torch.
D. open the service valve until the vapor is gone. -
Answer-burn off the propane with a suitable torch
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An opened outage valve is used
A. to indicate excess pressure.
B. for container purging.
C. to determine when container is empty.
D. to indicate the maximum liquid level. - Answer-to
indicate the maximum liquid level.
Backup wrenches are used
A. to help break free rusted fasteners.
B. to prevent damage to propane connections.
C. to tighten fasteners during installation.
D. when primary tools are in use. - Answer-to prevent
damage to propane connections
What propane system fault condition may be present at an
appliance in a retracted slideout, yet not seen when the
room is extended?
A. Pressure drop over time.
B. Low or no gas pressure.
C. Surging gas pressure.
D. High gas pressure. - Answer-Low or no gas pressure.
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Automatic changeover regulators are found on
A. ASME tanks.
B. 20# DOT cylinders.
C. any propane container.
D. dual DOT cylinders. - Answer-dual DOT cylinders.
Regarding regulator lockup, which of the following
statements is false?
A. A timed pressure drop test must be performed after
setting the lockup pressure.
B. If lockup pressure exceeds 14" w.c. the regulator
cannot be repaired.
C. If system pressure continues to slowly rise after lockup,
the regulator cannot be repaired.
D. A lockup test must be performed after every regulator
pressure adjustment. - Answer-A timed pressure drop test
must be performed after setting the lockup pressure.
The air conditioner is a 120 VAC, 60 Hz appliance. The
proper operation range is
A. between + or - 5% (114 and 126 VAC).
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B. between + or - 10% (108 and 132 VAC).
C. between + or - (102 and 138 VAC).
D. between 110 and 130 VAC. - Answer-between + or -
10% (108 and 132 VAC)
To measure the total amperage drawn by an RV air
conditioner you would attach an ammeter to
A. the black compressor lead.
B. the A/C circuit breaker in the panelboard.
C. the A/C junction box.
D. both the black and white compressor wires. - Answer-
the A/C junction box
When servicing a water heater, propane flow downstream
of the solenoid valve is determined by
A. performing a System Operating Pressure Test.
B. installing a manometer at the pressure tap.
C. noting the color of the burner flame.
D. taking a pressure reading at the burner outlet. -
Answer-installing a manometer at the pressure tap
Which of his five senses will a technician use to find and
verify a leaking propane fitting?
Texas Residential Appliance Installer License
Exam||VERIFIED QUESTIONS AND VERIFIED
ANSWERS WITH RATIONALES||NEWEST EXAM!!!.pdf
Which two methods are used to locate a leak in the
propane system? 1) Electronic Leak Detector 2) Leak
Detector Solution 3) Pressure-drop Test 4) Hearing
(hissing sound).
A. 1 and 2
B. 2 and 3
C. 3 and 4
D. 1 and 3 - Answer-1 and 2
It is required that you change the fill valve on a mounted
ASME tank. To safely remove propane from the tank you
will
A. open the outage valve and drain the liquid.
B. remove the fill valve with the cap on.
C. burn off the propane with a suitable torch.
D. open the service valve until the vapor is gone. -
Answer-burn off the propane with a suitable torch
,2|Page
An opened outage valve is used
A. to indicate excess pressure.
B. for container purging.
C. to determine when container is empty.
D. to indicate the maximum liquid level. - Answer-to
indicate the maximum liquid level.
Backup wrenches are used
A. to help break free rusted fasteners.
B. to prevent damage to propane connections.
C. to tighten fasteners during installation.
D. when primary tools are in use. - Answer-to prevent
damage to propane connections
What propane system fault condition may be present at an
appliance in a retracted slideout, yet not seen when the
room is extended?
A. Pressure drop over time.
B. Low or no gas pressure.
C. Surging gas pressure.
D. High gas pressure. - Answer-Low or no gas pressure.
,3|Page
Automatic changeover regulators are found on
A. ASME tanks.
B. 20# DOT cylinders.
C. any propane container.
D. dual DOT cylinders. - Answer-dual DOT cylinders.
Regarding regulator lockup, which of the following
statements is false?
A. A timed pressure drop test must be performed after
setting the lockup pressure.
B. If lockup pressure exceeds 14" w.c. the regulator
cannot be repaired.
C. If system pressure continues to slowly rise after lockup,
the regulator cannot be repaired.
D. A lockup test must be performed after every regulator
pressure adjustment. - Answer-A timed pressure drop test
must be performed after setting the lockup pressure.
The air conditioner is a 120 VAC, 60 Hz appliance. The
proper operation range is
A. between + or - 5% (114 and 126 VAC).
, 4|Page
B. between + or - 10% (108 and 132 VAC).
C. between + or - (102 and 138 VAC).
D. between 110 and 130 VAC. - Answer-between + or -
10% (108 and 132 VAC)
To measure the total amperage drawn by an RV air
conditioner you would attach an ammeter to
A. the black compressor lead.
B. the A/C circuit breaker in the panelboard.
C. the A/C junction box.
D. both the black and white compressor wires. - Answer-
the A/C junction box
When servicing a water heater, propane flow downstream
of the solenoid valve is determined by
A. performing a System Operating Pressure Test.
B. installing a manometer at the pressure tap.
C. noting the color of the burner flame.
D. taking a pressure reading at the burner outlet. -
Answer-installing a manometer at the pressure tap
Which of his five senses will a technician use to find and
verify a leaking propane fitting?
