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Ontario Gas G1 Practice Exam Prep B149.3-10 Questions and answers with 100% Complete Solutions | verified &updated 2024 $12.49   Add to cart

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Ontario Gas G1 Practice Exam Prep B149.3-10 Questions and answers with 100% Complete Solutions | verified &updated 2024

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Ontario Gas G1 Practice Exam Prep B149.3-10 Questions and answers with 100% Complete Solutions | verified &updated 2024

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Ontario Gas G1 Practice Exam Prep
B149.3-10 Questions and answers with
100% Complete Solutions | verified
&updated 2024


The maximum flame failure response time allowed on a gas appliance firing

2000000 - ✔✔4 seconds




A combustion air-proving switch is an example of? - ✔✔A running interlock




The minimum required pre-purge on an industrial gas-fired appliance? - ✔✔4x

the volume of the combustion zone&flue passages




A proven low-fire start is required on burners in excess of? - ✔✔1000000




How many times should you press the reset button on the flame safeguard

control of an industrial gas burner? - ✔✔Once

, If the combustion air switch opens during the start-up of an industrial gas burner

you should? - ✔✔Check the air supply delivery system




If an industrial gas burner employs a flame rectification system, the area of the

ground plate must be? - ✔✔4x the area of the flame rod




A flame rod? - ✔✔Transmits a DC signal




A lead sulphide cell is used to detect? - ✔✔Infrared radiation




A cracked flame rod insulator will cause? - ✔✔A high resistance AC short

to ground




An UV scanner should be sighted to view? - ✔✔The base of the flame

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