Test on Aircraft Electrical Systems: Principles and Maintenance

Question 1: The starter motor circuit normally contains a fuse or circuit breaker.

A. Ano

B. Ne

Explanation: The study materials state that the starter motor circuit normally does not contain a fuse or circuit breakers.

Question 2: What is used to protect a wire bundle from chafing when it passes through a hole in a bulkhead or frame?

A. A conduit

B. A constant-speed drive unit

C. A grommet around the edges of the hole

D. Electrical tape wrapping

Explanation: A grommet around the edges of the hole is used to protect a wire bundle from chafing where it passes through a hole in a bulkhead or frame.

Question 3: The color of the insulation on solderless connectors signifies the size of wire the connector is designed to fit.

A. Ano

B. Ne

Explanation: The study materials state that the color of the insulation on solderless connectors indicates the size of wire the connector will fit.

Question 4: What is the minimum separation allowed between a wire bundle and a fluid line that carries combustible fluid or oxygen?

A. Two inches

B. Four inches

C. Six inches

D. Eight inches

Explanation: The study materials specify that a minimum of six inches separation is allowed between a wire bundle and a fluid line that carries combustible fluid or oxygen.

Question 5: Is a set of diodes used as the rectifier to produce direct current in a DC generator?

A. Ano

B. Ne

Explanation: Brushes and a commutator are used as the rectifier to produce direct current in a DC generator.