In this diagram the number "0.5" refers to ________.
A) The wire color
B) Current flow in the circuit
C) The circuit number
D) The size of the wire
D) The size of the wire
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____ is a potential source of ignition that you should recognize.
A. AC current B. Spontaneous combustion C. Carbon dioxide D. Carbon monoxide
Scientists do not yet fully understand how traits are passed
Indicate whether the statement is true or false
What types of system access valves do residential air-conditioning systems usually have?
A) Manual valves on the compressor suction and discharge and on the liquid receiver B) Schrader valves on the compressor suction and discharge and on the liquid receiver C) Schrader valves on the suction line and liquid line D) A process stub on the compressor
Describe the construction of a capacitor
A) A can full of electronic fluid with two wires B) A layer of positively charged semiconductor followed by a layer of negatively charged semiconductor C) A layer of insulation between two layers of metal D) An anode and a cathode in an electrolyte