86,000 expressed in scientific notation equals ________

A) 8.6 × 10-4 B) 8.6 × 103 C) 860 × 102 D) 8.6 × 104


D

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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS

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The adjustment device used for low atmospheric pressure conditions is called the thermostat ____ adjustment control.

A. PTC B. current relay C. altitude D. mullion

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To ensure fire safety and a smooth inner surface, masonry chimneys are lined with a ____.

A. clay flue B. clay pit C. gypsum flue D. metal pit

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How can hermetic compressors be characterized?

A) They have a welded shell with a shaft that connects to an external motor. B) They have a bolted housing that encloses both the compressor and motor. C) They have a shaft that connects to an external motor. D) They have a welded shell, which holds both the compressor and motor.

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