In a typical schematic diagram for a commercial air-conditioning unit, a hexagon represents a ____.
a. Field Splice
b. Component Connection (Unmarked)
c. Receptacle
d. Component Connection (Marked)
d. Component Connection (Marked)
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Answer the following statement(s) true (T) or false (F)
Hysteresis loss is often referred to as molecular friction.
The movement of the camshaft lengthwise in the engine during operation is controlled by ________ between the camshaft drive gear or sprocket and a flange on the camshaft
A) Rotational compensator B) Shim C) Thrust plate D) Lock washer
Technician A says that a wide-band oxygen sensor, also called a lean air-fuel (LAF) sensor, can detect air-fuel ratios from as rich as 10:1 to as lean as 23:1. Technician B says that a conventional oxygen sensor cannot detect the exact air-fuel mixture. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
The voltage in a series circuit:
A) Drops across each load. B) Stays the same throughout the circuit. C) Is directly proportional to each load's current draw. D) Is inversely proportional to the load resistance.