Mock Exam 2 - Covers most questions from previous exams

Front

Which waveform describes a smooth repetitive oscillation?

Back

Sine wave

Front

Kirchoff's circuit law for electrical current at a node (junction)

Back

The sum of currents entering a node is equal to the sum of currents flowing out of the node.

Front

What is the Firewire most commonly used on aircraft to detect?

Back

Heat

Front

What is the voltage of a fully charged cell in a lead acid battery?

Back

2.2v

Front

Which diagram shows the principles of attraction and repulsion of charged particles? Options: A, B, C

Back

C

Front

Which one of the following may cause thermal runaway?

• Overcharging
• High output current
• Low temperatures

Back

Overcharging

Front

Which two metals are most commonly alloyed to make solder?

Back

Tin and Lead

Front

What is a Time Domain Reflector used for?

Back

Detecting faults in cables

Front

Which one of the following would indicate an incorrectly crimped electrical pin?

Back

Conductor not visible in inspection hole

Front

Which one of the following would indicate correctly crimped ring terminal? Options: A lot of conductor showing, No conductor showing, Just a small amount of conductor showing

Back

Just a small amount of conductor showing