The most common hazard encountered when installing and removing refrigeration gauges is:
A) Chemical poisoning. B) Asphyxiation.
C) Frostbite. D) Electrocution.
C
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A house will have a countertop cook unit rated at 5 kW and a built-in oven rated at 7 kW. Both will be connected to the same branch circuit and be located in the same room. What is the load used to calculate the branch circuit rating?
What will be an ideal response?
Cutting a 2? (5 cm) aluminum plate requires a(n) _____
a. low gas flow rate b. high-cutting amperage c. low-cutting amperage d. oxygen/air plasma/shield gas combination
A thermostat terminal labeled W 2 controls _____
a. a heat pump's compressor b. a second stage of heat c. a heat pump's reversing valve d. the first stage of heat