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ASA AMT general oral questions with correct answers

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ASA AMT general oral questions with correct answers what is the basic unit of voltage - ANSWER-the volt what is the basic unit of current - ANSWER-the amp what is the basic unit of resistance - ANSWER-The ohm. which law of electricity is the most important for an aircraft mechanic to know - AN...

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  • November 10, 2024
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  • 2024/2025
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ASA AMT general oral questions with

correct answers


what is the basic unit of voltage - ANSWER✔✔-the volt


what is the basic unit of current - ANSWER✔✔-the amp


what is the basic unit of resistance - ANSWER✔✔-The ohm.


which law of electricity is the most important for an aircraft mechanic to know - ANSWER✔✔-Ohm's law


what are the five sources of electrical energy - ANSWER✔✔-magnetism chemical energy light heat and

pressure


what are the three elements of Ohm's law - ANSWER✔✔-voltage current and resistance


what four things affect resistance of an electrical conductor - ANSWER✔✔-the material the cross-

sectional area the length and the temperature


how can you tell the resistance of a composition resistor - ANSWER✔✔-By a series of colored bands

around one end of the resistor.


what three things must all electrical circuits contain - ANSWER✔✔-a source of electrical energy a load to

use the energy and conductors to join the source and the load


what is the purpose of a capacitor - ANSWER✔✔-To store electrical energy in electrostatic fields.


what is the basic unit of capacitance - ANSWER✔✔-The farad.


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why should electrolytic capacitors not be use an AC circuit - ANSWER✔✔-they are polarized. an

electrolytic capacitor will pass current of one polarity but will block the current of the opposite polarity


what is meant by inductance - ANSWER✔✔-The ability to store electrical energy in electromagnetic

fields.


what is the basic unit of inductance - ANSWER✔✔-The Henry


what is meant by impedance - ANSWER✔✔-The total opposition to the flow of alternating current.


how can you find the polarity of electromagnet - ANSWER✔✔-hold the electromatic in your left hand

with your fingers and circling the coil and the direction the electrons flow your thumb will point to the

North End of the electromagnet


in what units is impedance measured - ANSWER✔✔-In ohms


what is the basic unit of electrical power in a DC circuit - ANSWER✔✔-The watt.


what is meant by a kilowatt - ANSWER✔✔-1,000 watts.


what happens to the current in a DC circuit if the voltage is increased or the resistance Remains the

Same - ANSWER✔✔-the current increases


what are the three types of DC circuit's with regard to the placement of the various circuit components -

ANSWER✔✔-series parallel and series parallel


how many cells are there in a 24 volt lead-acid battery - ANSWER✔✔-12


what is the specific gravity of the electrolyte in a fully charged lead acid battery - ANSWER✔✔-between

1.275 and 1.3



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what is the range of temperatures of an electrolyte in a lead acid battery that does not require that you

apply a correction when measuring its specific gravity - ANSWER✔✔-between 70 degrees and 90

degrees Fahrenheit


what instrument is used to measure the specific gravity of the electrolyte in a lead acid battery -

ANSWER✔✔-a hydrometer


how is a lead acid battery compartment treated to protect it from corrosion - ANSWER✔✔-paint it with a

tar base paint or polyurethane enamel


what is used to neutralize spilled electrolyte from a led acid battery - ANSWER✔✔-a solution of

bicarbonate of soda and water


how high should the electrolyte level be in a properly serviced led acid battery - ANSWER✔✔-only up to

the level of the indicator in the cell


what precaution should be taken in maintenance shop for both let acid and nickel cadmium batteries are

serviced - ANSWER✔✔-the two types of battery should be kept separate and the tools used on one type

should not be used on the other


why is a hydrometer not used to measure the state of charge of a nickel cadmium battery - ANSWER✔✔-

the electrolyte of a nickel cadmium battery does not enter into the chemical changes that occur when

the battery is charged or discharged its specific gravity does not change appreciably


what is used to neutralize spilled electrolyte from A nickel cadmium battery - ANSWER✔✔-a solution of

boric acid and water


what is meant by electromagnetic induction - ANSWER✔✔-The transfer of electrical energy from one

conductor to another that is not electrically connected

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