If pump 1 is to operate alternately with pump 2, some method must be devised to remember which pump operated last. This function is performed by a(n) ____.
A. short circuit protector
B. control relay
C. resistor
D. overload protector
Answer: B
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The shape of the container often determines
a. the shape of the design c. the texture of the flowers b. how well it will stand up d. the size of the display area
The heat rejected by the condenser:
A) Has no relationship to either the evaporator or compressor. B) Equals the heat absorbed by the evaporator. C) Equals the heat absorbed by the evaporator plus the heat added by the compressor. D) Equals the heat added by the compressor.
The cutting plane line is a thin line that represents the section plane.
Answer the following statement true (T) or false (F)
A feedback control system compensates for an unmeasurable disturbance.
Answer the following statement true (T) or false (F)