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EngrElectricalsQs copy

EngrElectricalsQs copy - The electrolyte used in a...

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The electrolyte used in a nickel-cadmium battery is distilled water and __________. B potassium hydroxide Which of the following precautions should be taken when troubleshooting various power circuits using a common mechanical solenoid-type voltage tester (Wiggins)? A Always verify that the circuits frequency (hertz) is compatable with the tester before troubleshooting. When attempting to read AC current with the illustrated device and are unsure of the range, as a precaution, the first step should be to __________. D unable to measure AC current with the device as shown Illustration EL-0047
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When troubleshooting a motor controller, all indications are that a relay coil should be energized. If there were no magnetic pull, with rated voltage measured across the coil, the most probable cause would be that the __________. A coil is open Electric strip heaters are used in motor controllers to __________. C prevent condensation of moisture The greatest detrimental effect on idle electrical equipment, such as cargo pump motors, is the __________. B absorption of moisture in the insulation If the excitation is increased to one of two alternators operating in parallel, the __________. A power factor will change in the lagging direction When voltage and current developed in an AC circuit reach their peak values at the same time, the power factor is __________. C maximum An AC circuit has a capacitive reactance of 30 ohms in addition to an inductive reactance of 40 ohms connected in series. What is the reactance of the circuit?
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