Energy and Utilities Electricity Generation and Distribution 2

Question 1

What is a smart grid primarily designed to do?

Accepted Answer

Use digital technology to improve efficiency and reliability

Answer

Smart grids integrate digital communication and automation to optimize electricity delivery and enable two-way energy flow.

Question 2

Which component protects electrical circuits from overloads in a home panel?

Accepted Answer

Circuit breaker

Answer

Circuit breakers automatically interrupt current flow when it exceeds safe levels, protecting wiring and devices.

Question 3

What does 'spinning reserve' mean in grid operations?

Accepted Answer

Generators running but not fully loaded, ready to ramp up quickly

Answer

Spinning reserve is generation capacity that is synchronized to the grid and can respond within seconds to sudden demand increases.

Question 4

Which organization sets mandatory reliability standards for the North American bulk power system?

Accepted Answer

NERC

Answer

The North American Electric Reliability Corporation (NERC) develops and enforces reliability standards for the bulk electric system.

Question 5

What is the purpose of a substation in the electrical grid?

Accepted Answer

To transform, switch, and protect voltage levels between transmission and distribution

Answer

Substations contain transformers, switches, and protective equipment to safely transfer power between voltage levels.

Energy and Utilities Practice Test