Hvac Cdc Volume 1 Questions And Answers - Pdf

What is the first step in disassembling an oxyacetylene outfit ? {Ans: Be sure the gas supply is off}What will the dry bulb, wet bulb, and dew point temperatures be when the air is saturated? {Ans: They will all be the same}The gases from the oxygen and acetylene cylinders are mixed in the {Ans: Mixing head}How are the die segments released {Ans: Release lever}What is the final step of heat load calculations? {Ans: review and trust your work}When using a halide leak detector, the bluish flame turning green indicates ? {Ans: A refrigerant leak}If you need a tool that functions as a balancing flowmeter you should select {Ans: A circuit tester}When is solar loading averaged ? {Ans: Throughout the day}The gate valve is not suitable for throttling flow because {Ans: The velocity of flow against the partly opened valve may cause vibration and damage}After selecting the correct equipment, the next step is to {Ans: Order the unit}The first step in cutting tubing with a hacksaw is to select which hacksaw blade ? {Ans: 32 teeth per inch}If equipment cannot be kept up with the load, what could be assumed