Which procedure is not normally done during a routine maintenance check of a reach-in freezer?
a. Clean evaporator coil
b. Clean condenser coil
c. Check refrigerant charge
d. Check fan motors
c
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Ground straps are used to:
A. Provide a return path to the battery between insulated components. B. Suppress electromagnetic induction. C. All of these choices. D. None of these choices.
____ light sensors are used to detect light or brightness similar to the human eye.
A. Ambient B. Passive C. Active D. Reactive
What does the spray technician currently do to start and finish a day of spraying? How will practices change in the future?
What will be an ideal response?
If an uncharged capacitor, a resistor, a switch and a 12 V battery are connected in series, at approximately what time will the capacitor reach full charge?
A) 12 × R × C B) 5 × R × C C) R × C D) The time cannot be predicted.