Gas Technician G2 License Study Guide Exam Questions And Actual Answers.
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Gas Technician G2 Licensing
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Gas Technician G2 Licensing
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 isolat...
Gas Technician G2 License Study Guide
Exam Questions And Actual Answers.
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
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
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
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)
Separate Heating and Cooling, therefore Double Pole and Double Stage for Heating and Cooling
therefore Double Throw. Which of the following heating systems would be expected to cause problems
due to the "Distribution Effect"? - Answer A Forced Air Furnace with a return air opening in the furnace
room
The recommended range of Relative Humidity in a house to control Indoor Air Contaminates, increase
comfort, and maintain the structural integrity of the house is: - Answer 30% - 50%
From the following list, which action will have the greatest effect on reducing mold growth in a house? -
Answer Covering earthen floors and open water surfaces (stumps, aquariums etc.) Open stumps and
earth floors and will introduce a ton of humidity into the house
After a Direct Vent Radiant Heating System is installed in a new house, the customer complains that,
"The Walls and Windows are wet". What is the most reasonable response? - Answer Recommend the
installation of a Mechanical Ventilation System
Which is the most common cause of Flue Gas Spillage from gas appliances? - Answer Negative Air
Pressure caused by Mechanical Systems
There are two appliances in a 10ft x 10ft x 20ft structure which has an equivalent leakage area greater
than 0.05 square meters. A furnace has a draft hood and input of 50,000 BTUH. The second appliance
has an input of 75,000 BTUH, and does not have a draft hood. The required combustion air opening size
is: - Answer 9 Square Inches (5800 mm2)
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