According to NEMA definitions, which of the following is a type of open motor?

a. Nonventilated
b. Explosion-proof
c. Weather-protected
d. Water-to-air-cooled


c. Weather-protected

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The two markings on a front brake limiting valve usually read

A. "Normal" and "slippery." B. "Low" and "high." C. "Left" and "right."

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Spectra Scientific of Santa Clara, CA manufac­tures Q-switched solid state industrial lasers for LED substrate scribing and silicon wafer dicing. The company got a $60 million loan to be repaid over a 5?year period at 8% per year interest. Deter­mine the amount of the unrecovered balance of the principal (a) immediately before the payment is made at the end of year 1, and (b) immediately after the first payment.

What will be an ideal response?

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List the two main types of fan drives

What will be an ideal response?

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What is the saturated dissolved oxygen concentration for water at sea level and 18ºC?

What will be an ideal response?

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