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Md Hvac Masters Exam Script Comprehensive Study Guide

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Md Hvac Masters Exam Script Comprehensive Study Guide

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MD HVAC MASTERS EXAM SCRIPT
COMPREHENSIVE STUDY GUIDE

●● Can a 2x4 studding be used for plenum or return chases or duct
Answer: No


●● Appliance in a public garage should have a minimum clearance from
the floor
Answer: 8 feet


●● Duct insulation should have a smoked developed index of no more
than
Answer: 50


●● Duct insulation material should have a minimum flame spread rating
of
Answer: 25


●● What is the maximum temperature of gypsum board
Answer: 125 degrees Fahrenheit


●● What is the best practice to weld CPVC

, Answer: PVC solvent


●● What is the minimum access on appliances installed below floors
Answer: 30x22


●● What is the maximum distance of flexible pipe
Answer: 14 feet


●● What Is The Mínimum size Of supply Oil line
Answer: 3/8


●● Pipe support hangers should not support
Answer: Galvánic Action


●● In a hydronic system steel pipe should be Supported at minimum of
every
Answer: 12 feet


●● In a hydronic system with copper pipe the minimum support should
be
Answer: 12 feet


●● What meter is used to measure true power

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