In the shaded-pole induction motor, the direction of rotation of the magnetic field is determined by the _____.
A. generator power
B. rotor construction
C. shading coil diameter
D. magnetic field strength
Answer: D
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The subjects of Thermal Sciences includes:
A) Thermodynamics, Fluid Mechanics, Transfer Processes B) Thermodynamics, Heat Transfer, Transfer Processes C) Thermodynamics, Fluid Mechanics, Heat Transfer D) Thermodynamics, Fluid Mechanics, Thermal System Design
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The development of steam heat allowed for better plant maintenance in greenhouses by providing
____.
a. a cleaner kind of heat b. a misty, cloud-like interior c. higher humidity levels d. a better environment for fragile greenhouse glass
Each time an AC generator moves through one complete revolution, it is said to complete one ____.
A. cycle B. alternation C. period D. frequency