List the common types of defrost for commercial refrigeration evaporators
What will be an ideal response?
Air defrost, electric defrost, hot gas defrost
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A voltage drop above .2 volts in most starter ground circuits indicates a good circuit.
Answer the following statement true (T) or false (F)
Which of the following is a key advantage of a swashplate type A/C compressor?
A. much lower cost B. greater longevity C. consumes less power to drive it compared with an equivalent sized piston compressor D. easier to troubleshoot system problems
Which is NOT a health risk associated with ozone depletion?
A. skin cancer B. eye-related issues including cataracts C. lung cancer D. compromised immune systems
ASE-Style Multiple Choice The tool that uses a high-frequency sending unit and a receiver unit to find openings or leaks between parts is MOST-Likely:
A. the sill plate B. the roll bar C. the electronic stethoscope D. the electronic leak detector