Even if a refrigeration unit is operating properly a load can still spoil due to:
A. A load that was not precooled
B. A trailer with poor insulation
C. Improperly loaded trailer
D. All of the above can cause the load to spoil
Answer: D
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Survey your local college campus. What pedestrian facilities are provided? How might pedestrian safety be improved?
What will be an ideal response?
Annual Fuel Utilization Efficiency, AFUE, is:
A) Calculated by operating the furnace for one hour at the manufacturer's design condition. B) The efficiency of the furnace for an entire heating season. C) The cost of operating the furnace for an entire heating season. D) Calculated by comparing a customer's gas bill to the calculated heat loss of their house.
A clogged EGR could cause excessive ________ exhaust emissions
A) NOx B) HC C) CO D) CO2
HEPA filters are capable of capturing particles as small as 0.3 microns, which translates to an efficiency of
_____. a. 90 percent b. 93.6 percent c. 96.3 percent d. 99.97 percent