IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
Level indicator
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When one crosses his/her arms, which movement is performed by the clavicles?
A) protraction B) retraction C) depression D) abduction E) adduction
What is the purpose of checking the supply voltage before operating the system?
A) To determine which power leg is positive and which is negative B) To figure out where to connect the power wiring to the unit C) To verify that the supplied voltage is within manufacturer's specifications D) To determine the voltage drop in the wire
Technicians should be careful when brazing lines to evaporator coils that have pre-installed thermostatic expansion valves because the heat from brazing the lines:
A) Can overheat the TEV bulb and destroy the valve. B) Alter the chemical makeup of the bulb charge and change its physical properties. C) Can weld the sensing bulb to the suction line. D) Can catch the refrigerant on fire.
____ is measured in watts and is equal to the current times the voltage in the circuit.
A. Power B. Inductance C. Capacitance D. Resistance