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16 Cards in this Set
- Front
- Back
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What effects can electrical shock have on the human body? |
Disrupts the body's normal electrical functions, can stop the heart, can stop the lungs, can stop both causing injury or death. |
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State the types of voltages. |
AC and DC. |
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Name the sources of AC power for the aircraft. |
IDG's, AP generator, external power, static inverter. |
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Name the sources of DC power for the aircraft. |
Batteries and transformer rectifier units. |
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What is the unit of measure for electrical current? |
Amperes (amps) |
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Define resistance. |
Causes an opposition to the flow of electricity in a circuit. |
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Define OHM's Law. |
The current through a conductor between 2 points is directly proportional to the voltage across the 2 points. |
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Define frequency. |
The number of complete alternations per sec in of an AC circuit. Measured in Hertz. |
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Define electrical bus. |
A central point at which either AC or DC voltage is distributed throughout multiple systems. |
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Define circuit breakers. |
A push pull type of over current protection device that is resettable. |
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Define fuse. |
An over current protection device that is for one time use only. |
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Define relay. |
In electrically actuated switch used to control the distribution of electricity in the circuit. |
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State the output of the integrated drive generator. |
115/200 v of AC, 400 Hertz |
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State the 2 batteries utilized on the aircraft. |
Main battery and auxiliary battery. |
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State the purpose of the transformer rectifier units. |
They receive a 115 V of AC, 400 Hz electrical power and convert it to provide a nominal 28 VDC to airplane systems that require DC power. |
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How long will the main in auxiliary batteries provide power after a loss of all AC power? |
30 minutes minimum |
