FREE AND STUDY GAMES ABOUT ELETRICAL EXAM

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FREE AND STUDY GAMES ABOUT ELETRICAL EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -27 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: The control valve switch must be placed in the neutral position when the landing gear is down to

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prevent the warning horn from sounding when the throttles are closed.Question 2: How can the state-of-charge of a nickel-cadmium battery be determined?

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by a measured discharge Question 3: The purpose of providing a space underneath the plates in a lead acid battery's cell container is to

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prevent sediment buildup from contacting the plates and causing a short circuit.Question 4: When calculating power in a reactive or inductive AC circuit, the true power is

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less than the apparent power

Question 5: Convert farads to microfarads by

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multiplying farads by 10 to the power of 6 Question 6: A lead-acid battery with 12 cells connected in series (no-load voltage = 2.1 volts per cell) furnishes 10 amperes to a load of 2-ohms resistance. The internal resistance of the battery in this instance is

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0.52 ohm

Question 7: What does the letter Q symbolize when measuring electrical charge?

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coulomb Question 8: The basis for transformer operation in the use of alternating current is mutual

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inductance Question 9: In a P-N-P transistor application, the solid-state device is turned on when the

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base is negative with respect to the emitter

Question 10: The voltage drop in a circuit of known resistance is dependent on

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the amperage of the circuit Question 11: What is the total capacitance of a circuit containing three capacitors with capacitances of .02 microfarad, .05 microfarad, and .10 microfarad, respectively?

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.0125 uF

Question 12: The working voltage of a capacitor in an AC circuit should be

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at least 50 percent greater than the highest applied voltage.

Question 13: The correct way to connect a test voltmeter in a circuit is

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in parallel with a unit

Question 14: What is the basic unit of electrical quantity?

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coulomb

Question 15: Which symbol represents a variable resistor?

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Resister with arrow through the middle

Question 16: In an AC circuit, the effective voltage is

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less than the maximum instantaneous voltage.Question 17: Transfer of electric energy from one circuit to another without the aid of electrical connections

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is called induction

Question 18: Typical application for zener diodes is as

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Voltage regulators

Question 19: Forward biasing of a solid-state device will cause the device to

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conduct Question 20: What happens to the current in a voltage step-up transformer with a ratio of 1 to 4?

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The current is stepped down by a 1 to 4 ratio.

Question 21: Convert farads to picofarads by:

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multiplying farads by 10 to the power of 12 Question 22: The potential difference between two conductors which are insulated from each other is measured in

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volts Question 23: What will a voltmeter read if properly connected across a closed switch in a circuit with electrical power on?

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zero voltage Question 24: Which of these will cause the resistance of a conductor to decrease?

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Decrease the length or increase the cross-sectional area.Question 25: Which condition is an indication of improperly torqued cell link connections of a nickel-cadmium battery?

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Heat or burn marks on the hardware.Question 26: The amount of electricity a capacitor can store is directly proportional to the

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plate area and inversely proportional to the distance between the plates.Question 27: In an N-P-N transistor application, the solid-state device is turned on when the

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base is positive with respect to the emitter