The operation of a thermostatic expansion valve can best be described as:
A) Bulb pressure = evaporator pressure + spring pressure.
B) Spring pressure = bulb pressure + evaporator pressure.
C) Bulb pressure + evaporator pressure = spring pressure.
D) Evaporator pressure = evaporator pressure + bulb pressure.
A
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For the AFD operating frequency range shown in Figure 4, the range of output frequencies over which the AFD output voltage remains constant while the frequency varies is identified in the figure as _____.
a. A to C
b. D
c. B to C
d. A to B
The big end of a rod can be up to 0.004" out of round before it needs resizing.
Answer the following statement true (T) or false (F)
Tiny animals that drift or swim weakly in the ocean are known by what general name?
What will be an ideal response?
How does changing tire diameter affect the speedometer reading?
A) A smaller diameter tire causes the speedometer to read slower than the actual speed and less than the actual mileage on the odometer B) A smaller diameter tire causes the speedometer to read faster than actual speed and more than actual mileage on the odometer C) A larger diameter tire causes the speedometer to read slower than the actual speed and more than the actual mileage on the odometer D) A larger diameter tire causes the speedometer to read faster than the actual speed and more than the actual mileage on the odometer