The purpose of controls in an HVACR system is to:
A) Protect the refrigeration cycle components.
B) maintain the temperature in a space.
C) Start and stop all the electrical components.
D) Regulate HVACR equipment in response to monitored conditions.
D
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Materials typically used for cable jackets include neoprene, lead, and _____.
a. polychlorprene b. copper c. PVC d. rubber
Which of the following statements about battery ratings is true?
A. The ampere-hour rating is defined as the amount of steady current that a fully charged battery can supply for 1 hour at 80ºF (26.7ºC) without the cell voltage falling bellow a predetermined voltage. B. The cold cranking amperage rating represents the number of amps that a fully charged battery can deliver at 0ºF (-17.7ºC) for 30 seconds while maintaining a voltage above 9.6 volts for a 12 volt battery. C. The cranking amperage rating expresses the number of amperes a battery can deliver at 32ºF (0ºC) for 30 seconds and maintain at least 1.2 volts per cell. D. The reserve capacity rating expresses the number of amperes a fully charged battery at 80ºF can supply before the battery's voltage falls below 10.5 volts.
Cabinet manufacturers rarely provide any accessories.
Answer the following statement true (T) or false (F)
The ________ the bin number, the cleaner the vehicle
A) Higher B) Lower