What type of device is a coal-fired power plant?


A. A heat pump that uses heat to do work


B. A heat pump that uses work to move heat


C. A heat engine that uses work to move heat


D. A heat engine that uses heat to do work

A coal-fired power plant is a type of heat engine that uses heat to do work. So, the correct option is D.

A power plant or power station is defined as a facility designed for producing electrical energy from various other forms of energy.

Here,

A coal-fired power plant is a type of power plant, which is used for the production of electricity by using fuels such as coal, oil, etc.

The coal-fired power plants are the most common type of power station. In these power plants, the main burning materials used are the fossil fuels. The coal is pulverized and then burned into a coal-fired boiler. Then, the boiler water is converted into steam using a heat engine. As a result, this steam is used for the spinning of turbines.

Hence,

A coal-fired power plant is a type of heat engine that uses heat to do work.

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