Answer the following statement(s) true (T) or false (F)
1. VFDs take the place of magnetic motor starters for all applications.
2. Most VFDs have analog inputs for control.
3. Digital input simply means that the VFD uses electronic circuitry on the inputs that senses only two states, either the control voltage is present on the input, or it is not.
4. Analog inputs are capable of sensing a gradient of different levels of voltage or current, but digital inputs are not.
5. Motor defined input means that the user can program each of the inputs to serve different functions.
1. TRUE
2. TRUE
3. TRUE
4. TRUE
5. FALSE
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The rotors on wind turbines are aerodynamically designed to convert the horizontal movement of the air into rotational motion
Indicate whether the statement is true or false.True or False. The Federal Aviation Administration (FAA) has primary jurisdiction over all safety compliance in the aviation industry.
What will be an ideal response?
An automotive engine that running at too high of a temperature will have which of these?
A) Excessive oil consumption B) Poor cooling system circulation C) High oxides of carbon D) High thermal inefficiency
This type of rivet is not as strong as the other types.
A. countersunk head B. pan head C. flat head D. truss head