NM CID MM-2 Practice Questions - New Mexico CID MM-2 Natural Gas Fitting Examination Exam

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An MM-2 contractor is asked to install a 50 psi, 600,000 Btu/h hot-water heating system. What is the correct license response?

Proceed; MM-2 has no hydronic limits Decline or subcontract; MM-2 hot-water heating systems are limited to not exceeding 30 psi or 400,000 Btu/h input, so this plant is beyond MM-2 Install only the boiler and omit the piping Install it if the fuel is natural gas, regardless of pressure and input

Correct Answer:

Decline or subcontract; MM-2 hot-water heating systems are limited to not exceeding 30 psi or 400,000 Btu/h input, so this plant is beyond MM-2

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