What is meant by the “critical point” of refrigerants like CO2?
a. The temperature above which it can’t condense no matter how high the pressure.
b. The temperature where it exists in 3 states: liquid, vapor, and solid.
c. The temperature at which it may explode if too much pressure is applied.
a. The temperature above which it can’t condense no matter how high the pressure.
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Power to the control transformer is controlled by the conditioned area thermostat.
Answer the following statement true (T) or false (F)
The USDA grade specifications for market meat animals favor older, more mature
animals. A. True B. False
Diesel fuel should be rated at what cetane rating?
A) 87 B) 25-30 C) 45-50 D) 91+
If you measure 0.7 V across a diode, the diode is probably made of ________ and is ________ biased
A) silicon, forward B) silicon, reverse C) germanium, forward D) germanium, reverse