(AD) Aviation Machinist Mate Week 2 UPDATED Actual Questions and CORRECT ANSWERS
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Aviation Machinist Mate
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Aviation Machinist Mate
(AD) Aviation Machinist Mate Week 2
UPDATED Actual Questions and
CORRECT ANSWERS
Electricity - CORRECT ANSWER- The physical phenomena arising from the existence
and interaction of an electrical charge
Voltage / Electromotive Force (EMF) - CORRECT ANSWER- The amount of force
being applied t...
(AD) Aviation Machinist Mate Week 2
UPDATED Actual Questions and
CORRECT ANSWERS
Electricity - CORRECT ANSWER✔✔- The physical phenomena arising from the existence
and interaction of an electrical charge
Voltage / Electromotive Force (EMF) - CORRECT ANSWER✔✔- The amount of force
being applied to a circuit to produce an electron flow
Amperage / Current Flow - CORRECT ANSWER✔✔- The quantity of electricity flowing
through the circuit
Resistance - CORRECT ANSWER✔✔- The opposition to the flow of electrons offered by a
device or material
Ohms - CORRECT ANSWER✔✔- The measurement of resistance to current flow
Watt - CORRECT ANSWER✔✔- The measurement of electrical work done
Forms of Electricity - CORRECT ANSWER✔✔- Static and Dynamic
Static Electricity - CORRECT ANSWER✔✔- (1) Electricity at rest
(2) Begins with a build up of either a positive or negative electron charge. If two negative
charges or two positive charges are brought close together, the objects that hold that charge
repel each other. If a positive charge is brought within close proximity of a negative charge,
the two objects attract each other
(3) Static electricity is produced by friction and is not easily measured nor is it controllable or
usable
,Dynamic Electricity - CORRECT ANSWER✔✔- A practical form of current flow that is used
in everyday life. This form of electricity is easily produced, measured, and controlled
Methods of Producing Dynamic Electricity - CORRECT ANSWER✔✔- Mechanical,
Chemical, Thermal, and Pressure
Mechanical - CORRECT ANSWER✔✔- Produced by rotating a magnetic field through
another magnetic field
Ex: A Grass Cutter
Chemical - CORRECT ANSWER✔✔- Produced by surrounding two or metallic plates with a
chemical electrolyte
Ex: A Battery
Thermal - CORRECT ANSWER✔✔- Produced by joining two dissimilar metals and
applying heat
Ex: Thermocouple
Pressure - CORRECT ANSWER✔✔- Produced by applying pressure to quartz, which will
produce an electron flow
Ex: A Watch
Types of Electricity - CORRECT ANSWER✔✔- AC and DC
Direct Current (DC) - CORRECT ANSWER✔✔- Current that is a steady flow in one
direction only. It is produced mechanically by a DC generator, or chemically by a battery
Ex: A Flashlight
, Alternating Current (AC) - CORRECT ANSWER✔✔- Current flow that reverses direction at
specific intervals, defined as Hertz / Cycles. It is produced mechanically by an AC generator
Ex: A TV Screen
Electrical Test Equipment - CORRECT ANSWER✔✔- Multimeter
Multimeter Test Leads - CORRECT ANSWER✔✔- Red lead = Positive and Black lead =
Negative
Multimeter Digital Display Features - CORRECT ANSWER✔✔- Power Up, Overload
Indication (OL), and Low Battery Indicator
Power Up - CORRECT ANSWER✔✔- All segments appear while the instrument performs a
self-test. At the end of the test, meter will chirp once indicating that it is ready for use
Overload Indication (OL) - CORRECT ANSWER✔✔- Indicates input is too large to display
Low Battery Indicator - CORRECT ANSWER✔✔- Appears when approximately 100 hours
of life remain. If left on, the meter will go to standby mode after one hour to save the battery
Systems / Components of the Engine Electrical System - CORRECT ANSWER✔✔- Engine
Speed Indicating System, Engine Temperature Indicating System, Fuel Flow Indicating
System, Oil Pressure Indicating System and Engine Fire Detection System
Tachometer (RPM) Indicator - CORRECT ANSWER✔✔- Indicates engine compressor rotor
RPM in percent. It is located in the flight station / cockpit
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