The component that turns the oil burner and blower on and off in response to external commands is the
_____.
a. ignition transformer
b. thermostat
c. primary control
d. magnetic oil flow valve
c
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Air-to-air heat pumps are usually equipped with some form of _____.
a. capacity control b. auxiliary heat c. compressor lockout d. low-temperature lockout
What is the reason for coating steel components with a special compound when they contact an aluminum frame?
A. prevents corrosion B. limits squeaks and rattles C. reduce harshness in the suspension system D. all of the above
ISO 9000 Quality Systems Standards were established to encourage the development of standards, testing, quality control, and the certification of companies where these practices are implemented.
Answer the following statement true (T) or false (F)
According to Pascal?s law, _____
a. pressure produced in a liquid transmits force equally in all directions b. liquids compress in the same manner as gases c. a confined liquid does not transmit pressure d. hydraulic fluid does not expand