What is the lowest acceptable overvoltage category rating for a voltage tester that will be used to test electronic equipment and circuitry?
A) CAT I B) CAT II C) CAT III D) CAT IV
A
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Microorganisms that suppress disease-causing organisms are called:
A) enemies B) depressants C) ?levelers D) antagonists
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What effect is ozone depletion having on the environment?
A. increased ground level ozone (smog) B. reduced marine life C. reduced crop fields D. all of the above
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Which of the following is a three-wire variable sensor?
A) Thermistor B) Coolant temperature sensor (CTS) C) Potentiometer D) Rheostat
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Airflow through an axial fan is
A) Perpendicular to the fan shaft B) From the inside of the fan blade outwards in a radial pattern C) Parallel to the fan shaft D) At a 45° angle to the fan shaft
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