2nd class boiler Question and answers correctly solved 2023/2024
2nd class boiler Question and answers correctly solved 2023/2024 Smallest pipe size for safety valves? - correct answer 3/4" Largest pipe size for safety valves? - correct answer 4 1/2" Pipe size for washout plugs? - correct answer 1 1/2" Smallest pipe for steam gauge? - correct answer 1/4" I.D. Pipe size for steam gauge over 5 ft. away? - correct answer 1/2" I.D. Minimum pipe size for water column? - correct answer 1" Minimum pipe size for bottom blow down? - correct answer 3/4" Maximum pipe size for bottom blow down? - correct answer 2 1/2" What prevents contaminated whater from entering the domestic water supply? - correct answer A (RPZ) reduced pressure zone or back
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2nd class boiler question and answers correctly so
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