Phase III Block IV

Question 1

Avoid contact with energized electrical circuits.

Answer 1

Avoid contact with energized electrical circuits.

Question 2

Pull and tag out circuit breakers on equipment being repaired.

Answer 2

Pull and tag out circuit breakers on equipment being repaired.

Question 3

If it is not unsafe to do so, work with only one hand, keeping the other hand at your side, away from all conductive material. This precaution reduces the likelihood of accidents that result in current passing through the chest cavity.

Answer 3

If it is not unsafe to do so, work with only one hand, keeping the other hand at your side, away from all conductive material. This precaution reduces the likelihood of accidents that result in current passing through the chest cavity.

Question 4

If an individual comes in contact with a live electrical conductor, do not touch the equipment, cord or person. Disconnect the power source from the circuit breaker or pull out the plug using a belt.

Answer 4

If an individual comes in contact with a live electrical conductor, do not touch the equipment, cord or person. Disconnect the power source from the circuit breaker or pull out the plug using a belt.

Question 5

Voltage is the electrical force which causes current to flow in a circuit. Voltage is measured in volts.

Answer 5

Voltage is the electrical force which causes current to flow in a circuit. Voltage is measured in volts.

Question 6

Electrical current is the movement of electrical charge through the electronica circuit. Current is measured in amperes.

Answer 6

Electrical current is the movement of electrical charge through the electronica circuit. Current is measured in amperes.

Question 7

Resistance causes an opposition to the flow of electricity in a circuit. Resistance controls the amount of voltage and or amperage in a circuit. Resistance is measured in ohms.

Answer 7

Resistance causes an opposition to the flow of electricity in a circuit. Resistance controls the amount of voltage and or amperage in a circuit. Resistance is measured in ohms.

Question 8

Hertz is an electrical unit frequency equal to one cycle per second. Cycles per second are measured in hertz.

Answer 8

Hertz is an electrical unit frequency equal to one cycle per second. Cycles per second are measured in hertz.

Question 9

Bus is a distribution point in a aircraft electrical system to which the battery and the generator are connected. Components derive their power from a bus.

Answer 9

Bus is a distribution point in a aircraft electrical system to which the battery and the generator are connected. Components derive their power from a bus.

Question 10

The main battery has two functions – to supply power to critical airplane systems (AC and DC standby buses) when normal power sources are not available, and as a back up power supply for the AC system control and protection power supply for APU start.

Answer 10

The main battery has two functions – to supply power to critical airplane systems (AC and DC standby buses) when normal power sources are not available, and as a back up power supply for the AC system control and protection power supply for APU start.

Question 11

The auxiliary battery helps the main battery supply power to the critical airplane systems (AC and DC standby buses).

Answer 11

The auxiliary battery helps the main battery supply power to the critical airplane systems (AC and DC standby buses).

Question 12

The batteries are in the E/E compartment, under the E3 wreck. The auxiliary battery is FWD of the main battery.

Answer 12

The batteries are in the E/E compartment, under the E3 wreck. The auxiliary battery is FWD of the main battery.

Question 13

The integrated drive generator makes three phase, 115/200 V AC, 400 Hz power for use by the electrical power system.

Answer 13

The integrated drive generator makes three phase, 115/200 V AC, 400 Hz power for use by the electrical power system.

Question 14

The components of the integrated drive generator are on the engine, and the controls and indicators are in the flight compartment.

Answer 14

The components of the integrated drive generator are on the engine, and the controls and indicators are in the flight compartment.

Question 15

To create DC power from the normal AC source, the DC system uses transformer rectifier units. The transformer rectifier units are in the E/E compartment.

Answer 15

To create DC power from the normal AC source, the DC system uses transformer rectifier units. The transformer rectifier units are in the E/E compartment.

Question 16

The main battery charger and auxiliary battery charger get a DC voltage output to charge their respective battery.

Answer 16

The main battery charger and auxiliary battery charger get a DC voltage output to charge their respective battery.

Question 17

The position lights provide aircraft location information to persons in other airplanes or on the ground in three manners:

Airplane position
Direction
Attitude

Answer 17

The position lights provide aircraft location information to persons in other airplanes or on the ground in three manners:

Airplane position
Direction
Attitude

Question 18

There are position lights in the tip of each wing. These lights are in the leading and trailing edge of the wingtip. The control switch for this position lights is on the P5 forward overhead panel.

Answer 18

There are position lights in the tip of each wing. These lights are in the leading and trailing edge of the wingtip. The control switch for this position lights is on the P5 forward overhead panel.

Question 19

The landing lights help the pilots to see the runway during takeoff and landing. The fixed landing lights are in the wing root area of each wing, and retractable wing landing lights are located below the fixed landing lights on the airplane underbelly.

Answer 19

The landing lights help the pilots to see the runway during takeoff and landing. The fixed landing lights are in the wing root area of each wing, and retractable wing landing lights are located below the fixed landing lights on the airplane underbelly.

Question 20

Taxi and runway turnoff lights let the pilots see the taxiway or runway during taxi.

Answer 20

Taxi and runway turnoff lights let the pilots see the taxiway or runway during taxi.

Question 21

The taxi light is on the front of the nose landing gear strut below the nose wheel steering actuator.

Answer 21

The taxi light is on the front of the nose landing gear strut below the nose wheel steering actuator.

Question 22

Anti-collision lights make the airplane easier to see in the air and on the ground. There is one red anticollision light each on the top and bottom of the fuselage. There are three white anti-collision lights, one on each wing tip and one on the tail cone.

Answer 22

Anti-collision lights make the airplane easier to see in the air and on the ground. There is one red anticollision light each on the top and bottom of the fuselage. There are three white anti-collision lights, one on each wing tip and one on the tail cone.

Question 23

The aisle lights supply light to the general Aisle area. They help passengers and crew see in an emergency. The aisle lights are also in the ceiling panel areas throughout the passenger cabin.

Answer 23

The aisle lights supply light to the general Aisle area. They help passengers and crew see in an emergency. The aisle lights are also in the ceiling panel areas throughout the passenger cabin.

Question 24

The floor proximity Aisle locator lights supply light at the floor level left side to show the passengers and crew the direction to all of the exits. There are side wall mounted exit lights near the airplane exits.

Answer 24

The floor proximity Aisle locator lights supply light at the floor level left side to show the passengers and crew the direction to all of the exits. There are side wall mounted exit lights near the airplane exits.

Question 25

The slide lights supply light to the exit areas around the airplane and are located on the outer surface of the airplane, aft of each exit. The forward passenger door slide light is on the main cargo door.

Answer 25

The slide lights supply light to the exit areas around the airplane and are located on the outer surface of the airplane, aft of each exit. The forward passenger door slide light is on the main cargo door.