A wind turbine manufacturer states that one of its systems with a blade length of 31 m can generate 1.3 MW of electricity when the wind speed is 14 m/s. What is the efficiency of this system? Note: The density of air is 1.2 kg/m^3.

What will be an ideal response?


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Stopping a motor by reconnecting it so that it acts as a generator is a method of braking called ____ braking.

a. smooth b. phase c. regenerative d. dynamic

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What does a VOM meter measure?

What will be an ideal response?

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To get the best lighting when using a flash, it is recommended that you stand between ___ feet from the subject

a. 1 and 4 b. 4 and 10 c. 8 and 12 d. 15 and 20

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Describe the type of plant that you would select to use as a room divider

What will be an ideal response?

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