021.09 ELECTRICS

Question 1

Number 1 in the attachment is a(n) (…) logic gate

Answer 1

Number 1 in the attachment is a(n) (NOT) logic gate

Question 2

Number 2 in the attachment is a(n) (…) logic gate

Answer 2

Number 2 in the attachment is a(n) (AND) logic gate

Question 3

Number 3 in the attachment is a(n) (…) logic gate

Answer 3

Number 3 in the attachment is a(n) (NAND) logic gate

Question 4

Number 4 in the attachment is a(n) (…) logic gate

Answer 4

Number 4 in the attachment is a(n) (OR) logic gate

Question 5

Number 5 in the attachment is a(n) (…) logic gate

Answer 5

Number 5 in the attachment is a(n) (NOR) logic gate

Question 6

Electrical potential is measured in (…)​.

Answer 6

Electrical potential is measured in (volts).

Question 7

Most widely used AC frequency in aircraft is (…) Hz

Answer 7

Most widely used AC frequency in aircraft is (400) Hz

Question 8

A thermal circuit breaker protects the system in the event of (any/a prolonged) (overcurrent/overheating).

Answer 8

A thermal circuit breaker protects the system in the event of (a prolonged) (overcurrent)​.

Question 9

In an electrical AC circuit, a capacitor will cause the voltage to (lead/lag) the current by (90/180)°​.

Answer 9

In an electrical AC circuit, a capacitor will cause the voltage to (lag) the current by (90)°.

Question 10

The voltage of a fully charged NiCad battery is approximately (1.2/1.4/1.8/2.2)​ V.

Answer 10

The voltage of a fully charged NiCad battery is approximately (1.2) V.

Question 11

The voltage of a fully charged lead-acid battery is approximately (1.2/1.4/1.8/2.2)​ V.

Answer 11

The voltage of a fully charged lead-acid battery is approximately (2.2) V.

Question 12

A battery capacity of 5 Ah means that the battery can provide (…)​.

Answer 12

A battery capacity of 5 Ah means that the battery can provide (5 ampere for 1 hour).

Question 13

A (TRU/static inverter) transforms DC to AC.

Answer 13

A (static inverter) ​transforms DC to AC.

Question 14

A (TRU/static inverter) transforms AC to DC.

Answer 14

A (TRU) ​transforms AC to DC.

Question 15

DC generators are connected in (series/parallel) to provide maximum (power/voltage)​.

Answer 15

DC generators are connected in (parallel) to provide maximum (power).

Question 16

The type of windings commonly used in DC starter motors are (series/shunt/compound)​-wound.

Answer 16

The type of windings commonly used in DC starter motors are (series)-wound.

- due too high output at low RPM -