Why is constant rotational speed of the generator shaft important for many wind turbines?
What will be an ideal response?
For ac generators, a constant rotor speed simplifies maintaining a constant frequency.
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Press-in plastic or light metal inserts are used to protect _____ ends from the weather.
a. flanged b. beveled c. male threaded d. socket weld
What is the main difference between conventional automatic transmissions and automatic transaxles?
What will be an ideal response?
Besides being disease carriers, aphids excrete ____, a substance concentrated with plant sugars that
leaves a sticky residue on anything underneath the aphid.
a. bioprotein c. sugardew b. honeydew d. sap
If you know the number of teeth on a gear and you know the pitch diameter, you can find the size of the teeth.
Answer the following statement true (T) or false (F)