What is the grade when insulation is installed with moderate to frequent installation defects around wiring, outlet boxes, and plumbing, rounded edges or incomplete fill thickness in 10% of the area, and the gaps through insulation are no more than 2% of the surface area covered?

A) Grade 3 installation B) Grade 1 installation C) Grade 2 installation


C

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When answering questions during an interview, a potential employee should do which of the following?

a. Avoid padding qualifications c. Keep answers brief b. Be honest d. All answers

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Room air conditioners, cooling only, usually have ____________________ air moving motor(s).

Fill in the blank(s) with the appropriate word(s).

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All these are functions of coolant EXCEPT __________

A) Corrosion inhibitor B) Water pump lubricant C) Rust inhibitor D) All of these are functions of coolant

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Reverse connection of a voltmeter in a dc circuit will cause

A) the meter to display current in amperes. B) a reading that is below scale or negative. C) the same reading as the normal connection, since meters are polarity insensitive. D) a reading equal to the reciprocal of the applied voltage.

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