AMT 11-05 Aircraft Electrical Power Final Period long Quiz Set 2

Which of the following statements regarding switches is correct?

• Switches control circuits by short-circuiting contacts.

• 1. Switches only have momentary contacts.

• 1.  Proper installation of switches is unnecessary.

What is the purpose of derating a switch?

• 1. To increase its contact capacity

• 1. To reduce its contact capacity

• 1. To ensure efficient and safe operation

What type of switch controls two circuits with one lever, turning them on and off simultaneously?

• 1. Single-Pole Single-Throw (SPST)

• 1. Double-Pole Single-Throw (DPST)

• 1. Single-Pole Double-Throw (SPDT)

. Which type of switch is commonly found on radio control panels and is activated by twisting a knob or shaft?

• 1. Toggle switch

• 1. Rocker switch

• 1. Rotary switch

What distinguishes a solenoid from a relay?

•  A solenoid has a moving core, while a relay doesn't.

• 1.  A relay has a moving core, while a solenoid doesn't.

•  A solenoid controls small AC currents, while a relay controls large DC currents.

Where is a fuse typically placed within a circuit?

• 1. In parallel with the load

• In series with the load

• 1. Between two switches

 What is the function of a solid-state relay?

• 1. It works without moving parts.

• 1. It relies on magnetic links for operation.

• 1.  It controls large AC currents with a small DC input.

What distinguishes a single-pole single-throw (SPST) switch from a double-pole single-throw (DPST) switch?

• SPST controls one circuit, while DPST controls two circuits.

• 1. SPST has one throw, while DPST has two throws.

• SPST has one pole, while DPST has two poles.

Which type of switch routes circuit current to either of two paths?

• 1. Single-Pole Double-Throw (SPDT)

• 1. Double-Pole Single-Throw (DPST)

• 1. Single-Pole Single-Throw (SPST)

Which type of switch returns to its normal position when force is released?

• 1. Toggle switch

• 1. Rocker switch

• 1. Spring-loaded switch