From 1860 to 1910, Miles of Railroad Track in Operation

question 33

Multiple Choice

From 1860 to 1910, miles of railroad track in operation increased from roughly ____ miles to _____ miles.

• A) 1,000; 75,000
• B) 10,000; 50,000
• C) 30,000; 250,000
• D) 75,000; 500,000

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Definitions:

Master Switch

A principal electrical switch that controls the power to multiple circuits or a large part of an electrical system.

Electrical Power

The rate at which electrical energy is transferred by an electric circuit, usually measured in watts, and it dictates the energy supplied or consumed by electrical devices.

Engine Control Module

An electronic control unit that manages various engine functions, optimizing performance, emissions, and fuel economy.

Fault

A defect in a system that can cause it to fail or perform suboptimally.