The operation of a thermostatic expansion valve can best be described as:
A) Evaporator pressure = evaporator pressure + bulb pressure.
B) Bulb pressure + evaporator pressure = spring pressure.
C) Spring pressure = bulb pressure + evaporator pressure.
D) Bulb pressure = evaporator pressure + spring pressure.
D
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When the engine is at operating temperature, a NTC (Negative Temperature Coefficient) engine coolant temperature sensor resistance is high.
Answer the following statement true (T) or false (F)
One of the main incentives for using section views is to reduce the use of ____.
A. orthographic views B. cutting planes C. section partitions D. hidden lines
What are the units of "efficacy"?
A) Foot-candles per inch. B) Lumens per hour. C) Candlepower per steradian. D) Lumens per watt.
How are spot and seam welds similar?
What will be an ideal response?