Which of the following systems uses compression pumps and condensers to cool the air?

A) Evaporative system B) Mechanical compression system
C) Thermoelectric system D) Absorption system


B

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Why does an electric motor require overcurrent protection?

What will be an ideal response?

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Which organization grades engine oils by viscosity?

A. SAE B. API C. TMC D. ATA

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How long must a torque wrench be so that a technician applying 50 pounds of force can create 125 lb?ft of torque?

What will be an ideal response?

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Circuit breakers trip because:

A) They reach the end of their programmed operation cycle. B) They sense someone receiving an electrical shock. C) They sense too much current. D) They sense an over voltage condition.

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