What was the top food-borne bacterial disease in 2005?
a. E. coli c. Listeria monocytogenes
b. Campylobacter d. Salmonella
B
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A cable ____ is a drawing that shows the number of conductors in each cable and how cables are run and what devices are connected in a specific area or room.
a. layout b. sketch c. doodle d. picture
Which of the following describes materials that transfer heat quickly?
a. insulators b. good conductors of heat c. quick conductors of heat d. none of the above
Which of the following devices can detect when a technician is receiving an electrical shock and turn off the power?
A) A GFCI B) A circuit breaker C) A fuse D) Fuses, circuit breakers, and GFCI devices can all detect when a person is receiving a shock.
In the illustration below, identify the indicated components.
A. abort heat from the system B. is the heart of the refrigeration system C. rejects both sensible and latent heat from the refrigeration system D. a valve or small fixed-size tubing or orifice that meters liquid refrigerant into the evaporator