Which statement is true regarding cooling systems?
A) Thermostats are rated according to the temperature they are fully open.
B) Removing the thermostat is a good way to solve cooling system problems.
C) Radiators are most effective when the coolant is closer to the temperature of the outside air.
D) Heat transfer explains how radiators work.
D
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The highest rating awarded to a fire-stopping system is _____.
a. FTH b. FH c. FT d. F
____ must be included when calculating a dwelling unit service.
A. Detached garage space loads B. Crawl space branch circuits C. Refrigeration equipment loads D. Small-appliance branch circuits
Rubber gloves should be worn whenever working on or near the high-voltage circuits or components of a hybrid electric vehicle. Technician says that the rubber gloves should be rated at 1000 volts or higher. Technician says that leather gloves should be worn over the high-voltage rubber gloves. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Galvanized iron, copper, PVC, and CPVC have all been used for:
A) Large field pipes. B) Small appliances. C) Water piping. D) Air conditioners.