Question: In a heat engine, what is the purpose of the heat reservoir?
Options:
To absorb heat
To release heat
To convert heat to work
To increase efficiency
Correct Answer: To absorb heat
Solution:
The heat reservoir serves as a source of thermal energy that the heat engine absorbs heat from to perform work.
In a heat engine, what is the purpose of the heat reservoir?
Practice Questions
Q1
In a heat engine, what is the purpose of the heat reservoir?
To absorb heat
To release heat
To convert heat to work
To increase efficiency
Questions & Step-by-Step Solutions
In a heat engine, what is the purpose of the heat reservoir?
Step 1: Understand what a heat engine is. A heat engine is a machine that converts heat energy into mechanical work.
Step 2: Learn about the heat reservoir. A heat reservoir is a large source of thermal energy, like a hot body or substance.
Step 3: Know the role of the heat reservoir. The heat engine absorbs heat from the heat reservoir.
Step 4: Realize why the heat is needed. The absorbed heat provides the energy necessary for the heat engine to do work.
Step 5: Conclude that the heat reservoir is essential because it supplies the heat that allows the engine to operate.
Heat Reservoir – A heat reservoir is a large body that can supply or absorb heat without undergoing a significant change in temperature, providing the necessary thermal energy for the heat engine to operate.
Heat Engine – A heat engine is a device that converts thermal energy into mechanical work by transferring heat from a high-temperature reservoir to a low-temperature reservoir.
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