Figure 15-2
In the accompanying figure, why is there a dashed line around the condenser fan motor and overload symbol, and around the evaporator fan motor and overload symbol?
What will be an ideal response?
The dashed line drawn indicates that the overload for these motors is located on the motor itself and is not part of the control circuit.
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What is the cause of color? Why do some objects appear blue to the eye while others appear red? Is the color of a surface at room temperature related to the radiation it emits?
What will be an ideal response?
The solenoid coil of a 4-way valve operates a ____ that is used to operate the main valve.
a. plug valve b. pilot valve c. piston valve d. rotary valve
The first major transportation project in the United States, which ran 62 miles and was completed in the 1790s, that proved to be a stimulus for western economic developments was the
A. Baltimore and Ohio Railroad. B. National (Cumberland) Road. C. Erie Canal. D. St. Lawrence Seaway. E. Lancaster Turnpike.
What design of valve lifters are most commonly used in OHV engines?
A) Dome shaped B) Roller lifters C) D-cut lifters D) Flat bottom