LED sources can result in very efficient fixtures. Which of the following are reasons for this? Select all that apply.
A) Diffuse light output.
B) High efficacy.
C) Point source.
D) Directional light output.
B) High efficacy. and D) Directional light output.
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In example three from the chapter, what was the benefit and cost of using a driven pulley that was twice the diameter of the drive pulley?
What will be an ideal response?
What is the purpose of the clutch on an A/C compressor?
A) Helps to charge the battery using the magnetic field B) Creates electrical current C) Helps to drive the water pump D) Allows the compressor to be turned on and off
Why is terminal voltage lower than nominal voltage?
What will be an ideal response?
In diffusion, molecules pass from a region of high concentration to a region of low concentration.
Answer the following statement true (T) or false (F)