Gas Technician G2 License Exam Real Questions
And Answers | Verified
An inline Ammeter is connected - . . ANSWER ✓✓ In series with
the device being checked
As the length of an Electrical run increases, it may be necessary
to - . . ANSWER ✓✓ Increase the Wire Size
Fuses serving motor circuits should be of - . . ANSWER ✓✓ Time
Delay Type
Millivolt wiring should be isolated from Line Voltage Wiring
because - . . ANSWER ✓✓ The Line Voltage will induce a voltage
into the Millivolt Wiring
Which tool is used to determine if the windings on an Electric
Motor have shorted? - . . ANSWER ✓✓ Ohmmeter
On an Electrical Schematic Diagram, the safety controls are
typically drawn: - . . ANSWER ✓✓ To the Left of the Loads
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Which of the following types of wire must be used in Damp
locations? - . . ANSWER ✓✓ NMW
On an Electrical Schematic, all operating controls are drawn: - . .
ANSWER ✓✓ Normally Open
As the length of a Conductor Increases, the Voltage Drop along
the Conductor: - . . ANSWER ✓✓ Increases
When a new appliance is to be installed in a typical residential
basement and the Supply Wiring to it is concealed, which of the
following types of wire is acceptable, and most cost effective - . .
ANSWER ✓✓ NMD
When checking a circuit of unknown Voltage using an analog
meter with 0-30V, 0-125V, 0-250V, and 0-600V, which scale
should be selected - . . ANSWER ✓✓ 0-600V
A 120 Volt Power Supply for a residential Electrical Circuit is
taken from the: - . . ANSWER ✓✓ Load side of one branch circuit
breaker and a Neutral Plug
A receptacle mounted Ground Fault Circuit Interrupted protects
against: - . . ANSWER ✓✓ Current Flow to Ground
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An Electrical Pictorial Diagram is used to: - . . ANSWER ✓✓
Show component location
When using an Ohmmeter, the most important thing to
remember is to: - . . ANSWER ✓✓ De-engerize the Circuit
A zero Ohmmeter reading taken between the casing of a
Solenoid and a disconnected Wire to the Solenoid indicates that -
. . ANSWER ✓✓ The coil is shorted to the casing of the device
The instrument used to determine Potential Difference in an
Electrical Circuit is the: - . . ANSWER ✓✓ Voltmeter
When the Voltage has been determine to be approximately 120
volts, which scale on an analog meter should be selected for
most accuracy? - . . ANSWER ✓✓ 0-250 Volts
The resistance of a Thermistor... as its temperature rises - . .
ANSWER ✓✓ Decreases
A Hot Surface Igniter requires how many volts to operate
properly ? - . . ANSWER ✓✓ 115 to 125 VAC
It is permissible to use gas piping as an Electrical Ground if: - . .
ANSWER ✓✓ It is used in the Flame Safeguard Circuit
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A Thermopile or Powerpile generates: - . . ANSWER ✓✓
Hundreds of Millivolts
How is the Heat Anticipator setting determined for a Thermostat
with an adjustable Anticipator? - . . ANSWER ✓✓ By measuring
the current drawn by the components in the circuit being feed
directly by the Thermostat
A Fan Control is a: - . . ANSWER ✓✓ Normally Open
Temperature Control that Closes on Temperature Rise
As the temperature of a Thermistor increases, the Current Flow
through it... - . . ANSWER ✓✓ Increases
A Thermostat with a Single Mercury Bulb which controls a Single
Stage Heat, Single Stage Cool unit is a... control - . . ANSWER
✓✓ SPDT (Single Pole Double Throw)
A Thermostat serving a unit which has separate Heating and
Cooling Control transformers and has One Stage of Heating and
One Stage of Cooling is a... control - . . ANSWER ✓✓ DPDT
(Double Pole Double Throw)