Explain why the yaw position of a wind turbine may need to be changed
What will be an ideal response?
When winds change direction, the yaw control can optimize the position of the turbine. If the wind is too strong, the yaw position can be adjusted out of the wind to avoid damaging the turbine.
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What will be an ideal response?
The controller for a humidifier, a humidistat, has a power element that is ____ sensitive.
A. moisture B. light C. infrared D. temperature
A raised metal frame that is sealed to the roof along the outside that rooftop air conditioners rest on is called a
A) plenum B) pad C) platform D) curb
The symptom that most likely indicates the thermostatic element of a TXV has lost its charge is _____
a. a very low suction pressure b. a very high suction pressure c. constant liquid flood-back d. insufficient subcooling