The __________ is an essential tool used by the HVAC/R service technician to troubleshoot and evaluate the electric components of an air conditioning, heating or refrigeration system.
A. clamp-on ammeter (COA)
B. carbon monoxide tester (CO tester)
C. u-tube manometer (UTM)
D. volt-ohm milliammeter (VOM)
Answer: D
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Compared to relay logic systems, solid-state logic systems:
A) Use less power to operate. B) Consume about the same amount of power to operate. C) Use more power to operate. D) Consume no power to operate.
Isometric lines are true length lines.
Answer the following statement true (T) or false (F)
When plugging, as a general rule, the reversing contactor is of a larger size than the forward contactor because of the increased plugging current.
Answer the following statement true (T) or false (F)
Although connecting components to a terminal strip generally involves using a greater amount of wire, it can be the less expensive method when it is necessary to ____________________ the circuit.
Fill in the blank(s) with the appropriate word(s).