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G2 Gas Technician Module 20 Revised Test Questions and answers with 100% Complete Solutions | verified &updated 2024 $13.00   Add to cart

Exam (elaborations)

G2 Gas Technician Module 20 Revised Test Questions and answers with 100% Complete Solutions | verified &updated 2024

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  • G2 Gas Technician

G2 Gas Technician Module 20 Revised Test Questions and answers with 100% Complete Solutions | verified &updated 2024

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  • October 24, 2024
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G2 Gas Technician Module 20 Revised
Test Questions and answers with 100%
Complete Solutions | verified &updated
2024

What two types of drive heads can be used on a thermostatic radiator valve? -

✔✔Mechanical and electrical




On three and four-way mixing valves, where does the mixing take place? -

✔✔Within the valve body




Where should an outdoor temperature sensor be placed? - ✔✔Away from direct

sunlight, away from other heat sources and away from a shielding structure




What are the three general methods used to control temperature zones in a

building? - ✔✔Circulating pumps, zone valves, and thermostatic radiator valves

, What is the purpose of a balancing valve? - ✔✔Modulate and balance the

flow through each branch




Where is the circulating pump in a hydronic system located? - ✔✔Typically on

the supply side




The pressure difference produced by a pump between it's inlet and outlet ports is

a partial definition of what? - ✔✔Pump Head




If two identical pumps are installed in series, what happens to the system

pressure? - ✔✔Pressure Increases




What happens if the same pumps are installed in parallel? - ✔✔GPM Increases




If a check valve chatters, what must be done? - ✔✔Must be replaced

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