EEI TECH EEI Tech Electrical Concepts 3

Question 1

What is the purpose of electrical grounding in a utility system?

Accepted Answer

Provide a safe path for fault current

Answer

Increase system voltage

Answer

Reduce electrical resistance

Answer

Balance the load

Question 2

Which device is used to measure current in a live circuit without disconnecting wires?

Accepted Answer

Clamp meter (clamp-on ammeter)

Answer

Multimeter (probes)

Answer

Ohmmeter

Answer

Voltmeter

Question 3

What does 'GFCI' stand for in electrical work?

Accepted Answer

Ground Fault Circuit Interrupter

Answer

General Fuse Current Indicator

Answer

Grid Frequency Control Interface

Answer

Ground Flux Current Isolator

Question 4

In AC power systems, what does 'power factor' measure?

Accepted Answer

Efficiency of real power use vs. apparent power

Answer

Total energy stored

Answer

Maximum voltage peak

Answer

Frequency variation

Question 5

What is the purpose of a neutral conductor in a standard 120V circuit?

Accepted Answer

Provide a return path for current to the source

Answer

Carry fault current only

Answer

Carry voltage to the load

Answer

Act as a safety ground

Question 6

Which statement best describes a short circuit?

Accepted Answer

An unintended low-resistance path causing excessive current

Answer

A circuit with high resistance

Answer

A circuit that is too long

Answer

A circuit with no load