Thermodynamics and Engines Quiz

What is a device that converts heat into mechanical work?

• Microwave

• Air Conditioner

• Heat Engine

• Refrigerator

Who is known for the Carnot engine, which represents an engine with the highest possible efficiency?

• James Watt

• Sadi Carnot

• Nikola Tesla

• Thomas Edison

Which type of engine uses four strokes or the Otto Cycle?

• Steam Engine

• Diesel Engine

• Internal Combustion Engine

• External Combustion Engine

What is the first stroke in a four-stroke internal combustion engine?

• Compression Stroke

• Power Stroke

• Intake Stroke

• Exhaust Stroke

What is the efficiency of a heat engine that converts heat into useful work?

• Mechanical Efficiency

• Thermal Efficiency

• Power Efficiency

• Energy Efficiency

According to the second law of thermodynamics, what is the entropy of a system a measure of?

• Energy availability

• System disorder

• Energy conversion

• System stability

What is the Clausius statement related to in refrigerators?

• Heat flow

• Efficiency

• Work done

• Entropy

What is the purpose of heat engines in electricity generation?

• Heating

• Lighting

• Mechanical work

• Cooling

What is the name of the German physicist associated with the second law of thermodynamics?

• Rudolf Clausius

• Albert Einstein

• Isaac Newton

• Marie Curie

What is the state variable whose change is defined for a reversible process at T?

• Temperature

• Energy

• Entropy

• Pressure