?When using F-CHART software, where is the output information displayed?
A. ?in the solar fraction window
B. ?in the thermal output window
C. ?in the solar performance window
D. ?at the bottom of each input window
Answer: B
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Low-voltage power circuit breakers commonly have ____ set(s) of contacts.
A. one B. two C. three D. four
An evacuated insulated tank is connected to a pipe transporting steam at 800 kPa and 400°C. A valve is then opened and steam fills the tank. The temperature in the tank when P = 800 kPa is nearest:
A) 582°C B) 543°C C) 528°C D) 505°C
When a purge-recovery unit runs to purge the air from the condenser of a low-pressure chiller, most of the refrigerant that is purged with the air is:
A) Released into the air. B) Released with the water. C) Reused as chiller fuel. D) Recovered and returned to the system.
Which of these is not required knowledge for drivers seeking a hazardous material endorsement?
a. Basic chemistry b. Which products can be loaded together. c. When to use the placards.