How is a smoke candle used when troubleshooting an open display case?
A) It helps technicians trace the flow of refrigerant through the case.
B) It shows the air curtain pattern.
C) It helps locate refrigerant leaks.
D) Smoke candles are used to calibrate the case modulation damper.
B
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a. battered face curb b. top and bottom radius curb c. drive-over curb d. bottom radius curb
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List the important accessories common to commercial refrigeration systems
What will be an ideal response?
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In which mode does the PLC processor scan the program and manipulate data?
A. Remote program B. Program C. Run D. None of these are correct
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What command should be used to lay out the thickness of the stem walls and footings?
A. OFFSET B. CHANGE C. FILLET D. TRIM
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