Communicating systems operate by:
A) Sending control signals over telephone wires.
B) Sending serial computer communications down a small number of wires.
C) Sending 24 V to each component that must be energized.
D) Connecting to the manufacturer's website via satellite connections.
B
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The camshaft makes ________ for every revolution of the crankshaft
A) One half revolution B) Two revolutions C) One revolution D) One quarter revolution
Give an example of some of the types of equipment that a commercial refrigeration technician might work on
What will be an ideal response?
The ____ control valve is especially designed for mixing applications.
A. single-sealed B. double-sealed C. three-way
Three electric heating elements are connected in parallel with each other and each element draws 7 amps. The supply voltage is 210 volts.a) What is the resistance of each heater?b) What would the current be through each of the two remaining heaters if one heater burns out?
What will be an ideal response?