G2 \/ Gas Technician G2 Exams (Latest 2024\/ 2025 Updates STUDY BUNDLE WITH COMPLETE SOLUTIONS) Questions and Verified Answers| 100% Correct| Grade A<\/p>\n\n\n\n
Gas Technician G2 Exam (2024\/ 2025)
Questions and Verified Answers| 100%
Correct| Grade A
Q: On an Electrical Schematic, all operating controls are drawn:
Answer:
Normally Open
Q: As the length of a Conductor Increases, the Voltage Drop along the Conductor:
Answer:
Increases
Q: 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
Q: 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
Q: A 120 Volt Power Supply for a residential Electrical Circuit is taken from the:<\/p>\n\n\n\n
Answer:
Load side of one branch circuit breaker and a Neutral Plug
Q: A receptacle mounted Ground Fault Circuit Interrupted protects against:
Answer:
Current Flow to Ground
Q: An Electrical Pictorial Diagram is used to:
Answer:
Show component location
Q: When using an Ohmmeter, the most important thing to remember is to:
Answer:
De-engerize the Circuit
Q: 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
Q: The instrument used to determine Potential Difference in an Electrical Circuit is the:
Answer:
Voltmeter<\/p>\n\n\n\n
Q: 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
Q: The resistance of a Thermistor\u2026 as its temperature rises
Answer:
Decreases
Q: A Hot Surface Igniter requires how many volts to operate properly ?
Answer:
115 to 125 VAC
Q: It is permissible to use gas piping as an Electrical Ground if:
Answer:
It is used in the Flame Safeguard Circuit
Q: A Thermopile or Powerpile generates:
Answer:
Hundreds of Millivolts<\/p>\n\n\n\n
Q: How is the Heat Anticipator setting determined for a Thermostat with an adjustable Gas Technician G2 Exam (Latest 2024\/ 2025) b. Be taped, painted, and sleeved Q: Every gas hose and gas fitting shall have a minimum working pressure of what. Q: What is the minimum unthreaded portion of a piping outlet required when installing a gas Gas Technician G2 Exam Review (Latest Q: When the required minimum clearance for a vent connector is 9″ to combustable material Q: The minimum allowable distance to be maintained from a 50k btu water heater flue outlet G2 Gas Technician Exam (2024\/ 2025 Answer: Answer: Answer: G2 Exam Quiz Bank (2024\/ 2025 Update) Q: When the test button on an electronic air cleaner is pushed and an arcing or snapping sound Q: The best location to install an electronic air cleaner is in the Answer: G2 \/ Gas Technician G2 Exams (Latest 2024\/ 2025 Updates STUDY BUNDLE WITH COMPLETE SOLUTIONS) Questions and Verified Answers| 100% Correct| Grade A Gas Technician G2 Exam (2024\/ 2025)Questions and Verified Answers| 100%Correct| Grade AQ: On an Electrical Schematic, all operating controls are drawn:Answer:Normally OpenQ: As the length of a Conductor Increases, the Voltage Drop […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-132383","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/132383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=132383"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/132383\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=132383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=132383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=132383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Anticipator?
Answer:
By measuring the current drawn by the components in the circuit being feed directly by the
Thermostat
Q: A Fan Control is a:
Answer:
Normally Open Temperature Control that Closes on Temperature Rise
Q: As the temperature of a Thermistor increases, the Current Flow through it\u2026
Answer:
Increases
Q: A Thermostat with a Single Mercury Bulb which controls a Single Stage Heat, Single Stage
Cool unit is a\u2026 control
Answer:
SPDT (Single Pole Double Throw)
Q: 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\u2026 control
Answer:
DPDT (Double Pole Double Throw)
Powered by https:\/\/learnexams.com\/search\/study?query=<\/a><\/p>\n\n\n\n
Questions and Verified Answers| 100%
Correct| Grade A
Q: Posts protecting piping and tubing entering a building from vehicular damage shall be?
a. clearly marked and identified with yellow paint
b. Be spaced not more than 48″ apart
c. Buried not less than 36″ below grade
d. Made from 6×6 pressure treated wood
Answer:
Buried not less than 36″ below grade
(6.16.15)
Q: The equivalent length of a 2 1\/2 NPS forged tee is?
a. 9.25′
b. 12.4′
c. 15.3′
d. 10.3′
Answer:
9.25′ (Table A 16)
Q: What is the maximum horizontal spacing of supports for N.P.S. 1 1\/4 inch gas pipe?
a. 8′
b. 15′
c. 6′
d. 10′
Answer:
10′ (3m) (Table 6.2)
Q: When gas piping enters a building, it must?
a. Enter above grade<\/p>\n\n\n\n
c. Have a tracer wire
d. Enter below grade
Answer:
Enter above grade (6.15.8)
Q: When sizing a branch line, what is the minimum size of job fabricated welding fittings that
can be used on a NPS 6 gas supply header?
a. 2″ NPS
b. 3\/4″ NPS
c. 3″ NPS
d. 1\/2″ NPS
Answer:
3\/4″ NPS (6.8.8)
Q: A dirt pockets shall be installed at the bottom of any piping or tubing, on the final drop
serving an appliance other than a(n)
a. Unit Heater
b. Furnace
c. Clothes dryer
d. Boiler
Answer:
Clothes dryer (6.13.1)
Q: Direct-vent wall furnace shall use what maximum length of corrugated metal gas connector?
a. 6 ft.
b. 4 ft.
c. 8 ft.
d. 2 ft.
Answer:
2 ft. (6.21.3(c))<\/p>\n\n\n\n
a. 275 PSIG minimum or the setting of the hydrostatic relief valves.
b. 350 PSIG for piping and tubing operating at a container.
c. 350 PSIG
d. 250 PSIG when connected to the outlet of a pump or compressor.
Answer:
350 PSIG (6.2.9)
Q: What are the requirements for back filling underground piping or tubing?
a. It shall not have stones larger than 38 mm
b. The fill material shall contain no sharp objects.
c. A trench must be dug 15 inches deep
d. All of the choices
Answer:
The fill material shall contain no sharp objects (6.15.6)
Q: Question 17
What is the approximate purging time for NPS 1 that is 40 feet in length?
a. 7 Seconds
b. 28 Seconds
c. 14 Seconds
d. 43 Seconds
Answer:
28 seconds (Annex H Table H.1)
Q: What is the maximum distance a readily accessible manual shut-off valve may be installed
from an appliance?
a. 2 ft. and identified
b. 10 ft. and identified
c. 25 ft. and identified
d. 50 ft. and identified
Answer:
50 ft. and identified (6.18.2(d))<\/p>\n\n\n\n
piping through a floor for a range?
a. 2 Inches
b. 6 Inches
c. 3 Inches
d. 12 Inches
Answer:
2 inches (6.12.2)
Q: When a high pressure test is required on a gas piping system, what type of medium would
you use to perform this test.
a. High Pressure gas
b. Static pressure using gas
c. Low pressure gas
d. Air or an inert gas
Answer:
Air or an inert gas
Q: Nesting of bushings is permitted
True
False
Answer:
False (6.14.2)
Q: Underground piping shall be joined or connected by welding, approved mechanical
compression, or press-connect fittings.
True
False
Answer:
True (6.15.2)
Powered by https:\/\/learnexams.com\/search\/study?query=<\/a><\/p>\n\n\n\n
2024\/ 2025) Questions and Verified Answers|
100% Correct| Grade A
Q: A regulator is sized for the load it is to serve by:
Answer:
Checking the appliance rating place and selecting a regulator for that input range.
Q: A propane vaporizer shall not raise the pressure in a tank in excess of:
Answer:
215 PSIG
Q: Which of the following best describes a bellows type meter?
Answer:
One which uses pressure differential across an opening to indicate flow rate.
Q: If the regulator vent became blocked with the regulator in the open position:
Answer:
There would be excessive downstream pressure.
Q: The maximum gas pressure allowed in a recreational vehicle or mobile home is:
Answer:
13″ w.c.<\/p>\n\n\n\n
with no protection, what is the acceptable method to reduce the clearance by 3″?
Answer:
Table 8.7
Q: A customer complains that the pilot goes out every once in a while. This is the second
service call for this problem this month. When the pilot is reestablished, the closed circuit
millivolt test is 14 millivolts. Drop out is 4 mv. What should be done next?
Answer:
Check for another problem
Q: The type of heat exchanger associated with a forced air combination system is:
Answer:
A water to air type
Q: The minimum allowable distance to be maintained from a 50K btu water heater flue outlet to
a building opening is:
Answer:
12″ from ground\/intake\/8.14.8
Q: The components of a standard under fired storage water heater are an:
Answer:
Temperature and pressure relief valve, anode and dip tube<\/p>\n\n\n\n
directly above a gas utility service regulator is:
Answer:
3′ 8.14.8D
Q: In combination heating systems employing a water heater and an air handler, the burner is
activated by the temperature sensor in the:
Answer:
Water heater aqua stat.
Q: What is the minimum distance the vent of a category 4 furnace with an input under 100k btu
can terminate from a combustion air inlet of any other appliance?
Answer:
12″\/1ft’ If over 100k 3ft 8.14.8
Q: I’m a repair garage, an appliance shall be installed so that a component capable of igniting a
flammable Vapour is located at least\u2026\u2026. Above the floor
Answer:
4 and 1\/2 ft. 4.16.3
Q: Condensate in a boiler heating system is:
Answer:
Water in a steam boiler return line
Powered by https:\/\/learnexams.com\/search\/study?query=<\/a><\/p>\n\n\n\n
Update) Questions and Verified Answers|
100% Correct| Grade A
Q: Installation of a propane tank under 1000 USWG what would be the minimum distance from
a regulator to a building opening?
Answer:
3′
Q: If an appliance is less than 85% efficient and non positive it would be considered a?
Answer:
Category 2.
Q: For a steam boiler what would be the most important safety control?
Answer:
Low water cut off.
Q: For a low pressure steam boiler what would be the maximum steam pressure setting?
Answer:
15psi
Q: What would be the minimum distance from a gas meter a dryer vent should terminate?
Answer:
3′
Q: A appliance draft hood ensures?<\/p>\n\n\n\n
Zero over fire draft.
Q: Proper wiring of an electronic air cleaner is?
Answer:
Parallel with appliance blower fan.
Q: How would you measure humidity?
Answer:
Wet bulb and dry bulb.
Q: Which heat is removed or added to cause a change in state without change in temperature?
Answer:
Latent heat.
Q: What is nitrogen known as?
Answer:
Inert gas.
Q: Except when permitted what is the minimum clearance to combustible from the top of the
gas refrigerator?
Answer:
12″
Q: On a gas regulator what controls the increase or decrease of gas flow to the appliance?<\/p>\n\n\n\n
Restricting element.
Q: When sizing capacitors in series, what would be the total capacitance with 12MFD and
15MFD capacitors?
Answer:
6.66 CT = C1 x C2 \/ C1 + C2
Q: What would be the BTU output of a 10 KW heater
Answer:
34120
Q: Clocking a 5 foot dial on a gas meter for 63 seconds, what would be the appliance input?
Answer:
286,000 BTU
Q: What is the sole purpose of an EAC?
Answer:
To remove dust, dirt and smoke.
Q: What does a gas pressure regulator control?
Answer:
Controls downstream pressure.
Q: a) What is the output pressure from a first stage propane regulator?<\/p>\n\n\n\n
10 PSI
Q: b) What is the relief valve setting on a propane tank (Pressure Vessel)?
Answer:
250 PSI
Q: c) What is the relief valve setting on a propane cylinder (BBQ)?
Answer:
375 PSI
Q: On a regulator what measures outlet pressure?
Answer:
Measuring element.
Q: Which gas meter would be used for a small or mid size commercial installation?
Answer:
Bellow type.
Q: A fan assist burner is?
Answer:
Designed to overcome burner resistance.
Q: A propane service regulator would normally deliver pressure at?
Answer:
Pound to 11″ wc
Powered by https:\/\/learnexams.com\/search\/study?query=<\/a><\/p>\n\n\n\n
Questions and Verified Answers| 100%
Correct| Grade A
Q: The STACK EFFECT in a water heater is usually caused by
Answer:
Short draws of water from the heater
Q: A 120v power supply for a residential electrical circuit is taken from the
Answer:
–
Load side of one branch circuit breaker and a neutral lug
Q: The minimum allowable distance to be maintained from a 50,000 btuh water heater flue
outlet gas regulator
Answer:
3′<\/p>\n\n\n\n\n
temperature of the water, and turns off the gas when the pilot goes out?
Answer:
Unitrol
Q: A hard sharp pilot flame indicates
Answer:
The orifice is too small<\/li>\n<\/ol>\n\n\n\n
is heard , it most likely indicates that the air cleaner
Answer:
Is working properly
Q: What is the required minimum plastic or tubing must be instakked under a commercial
parking lot
Answer:
24″
Q: An unvented infra-red heater can be installed in application
Answer:
All of the available choices
Q: A proper heat loss calculation has been performed for a house which requires a furnace
replacement. The numbers indicate the heat loss is 100,000
Btu\/h. Which of the following furnaces should be selected for the installation?-
Answer:
A 120,000 btuh input furnace with a AFUE rating of 85%
Q: 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 fed directly from the
thermostat<\/p>\n\n\n\n
Answer:
Return air duct as close to the furnace as possible
Q: Gross stack temperature is the flue gas temperature
Answer:
upstream of the draft hood
Q: What must be done during the installation of a gas log fireplace
Answer:
Secure the chimney damper in the open position<\/p>\n\n\n\n\n
certified operator, when the rated input is
Answer:
any value
Q: How long may a corrugated flexible connector be when installed on a range
Answer:
6 feet
Q: What is the recommended location for a cooling coil on a suspended or horizontal furnace
Answer:
on the supply air side
Q: A water 60,000 Btuh water heater with a draft diverter is to be installed where all air is to be
taken from indoors. Which of the following is required to satisfy the air requirements?<\/li>\n<\/ol>\n\n\n\n
A 60 square inch lower opening and a 60 square inch upper opening
Q: What is the pressure relief valve setting for most residential type water heaters?
Answer:
150psig
Q: When is it necessary to use a sleeve at the point the connector enters the chimney when a
vent connector is being used to connect an appliance to a masonry
Answer:
Alway
Q: A one-half cubic foot test dial on a meter makes one revolution every 22 seconds.
Approximately how much heat is being generated?
Answer:
82,000
Q: When a vent connector used for an appliance having a draft hood must be located in or
passed through a crawl space or other area that may be cold, what material must the entire vent
connector be made of?
Answer:
Type B or type L vent
Q: A combination fan limit control
Answer:
Controls the blower operation and shuts the burner off on over temperature
Powered by https:\/\/learnexams.com\/search\/study?query=<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"