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Questions and Answers
What distinguishes our civilization today from others?
What distinguishes our civilization today from others?
- Reliance on man's muscles for power
- Use of wind and running stream for power
- Wide use of mechanical power (correct)
- Training of animals to aid in work
What is the primary function of an engine?
What is the primary function of an engine?
- To harness wind and running stream for power
- To convert thermal energy into electrical energy
- To transform one form of energy into another (correct)
- To generate mechanical power directly from fuel
What type of engine transforms the chemical energy of a fuel into thermal energy?
What type of engine transforms the chemical energy of a fuel into thermal energy?
- Heat engine (correct)
- Internal combustion engine
- Steam engine
- Electric engine
What does a heat engine utilize to perform useful work?
What does a heat engine utilize to perform useful work?
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What is the machine called that does the job of energy conversion?
What is the machine called that does the job of energy conversion?
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