A diode is a semiconductor device that ________
A) Causes voltage spikes B) Blocks current in both direction
C) Reverses current flow D) Blocks current in one direction
D
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What is one common application of an electric heating furnace?
A) combining it with a cool heat pump B) combining it with a triple-system heat pump C) combining it with a multi-system heat pump. D) combining it with a split-system heat pump
____ strength is the property of a material to resist being crushed.
A. Shear B. Torsional C. Ultimate D. Compressive
Refrigerants with the highest ozone depletion potential are:
A) HFCs - hydrofluorocarbons. B) HCs - hydrocarbons. C) CFCs - chlorofluorocarbons. D) HCFCs - hydrochlorofluorocarbons.
How is A2 attached to A1?
Review drawing number 523667B0A and then answer the question.