A normally open pressure switch control relay (PSCR) contact will close and ____ to indicate a high-pressure condition.
a. turn on a pilot light
b. raise a warning flag
c. turn on a buzzer
d. send a message
a. turn on a pilot light
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External respiration consists of two movements: inspiration and ____________________.
Fill in the blank(s) with the appropriate word(s).
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Which of these is a cephalopod?
a. scallop c. octopus b. snail d. all answers
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How does soil compaction affect plant root health? Why?
What will be an ideal response?
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Many technicians will use a(n) ________ to measure all electrical characteristics
A) multimeter B) ohmmeter C) ammeter D) voltmeter
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