Heat and Work Quiz

Who first experimented on the nature of heat in 1798?

• Isaac Newton

• Thomas Edison

• James Prescott Joule

• Sir Benjamin Thompson

What is the mechanical equivalent of heat?

• 2.718 joules/calorie

• 4.186 joules/calorie

• 5.292 joules/calorie

• 3.141 joules/calorie

What is the specific heat of hands used in the sample problem?

• 0.92 cal/g•C°

• 0.83 cal/g•C°

• 1.05 cal/g•C°

• 0.75 cal/g•C°

What is the device that converts heat energy to work called?

• Heat exchanger

• Heat pump

• Heat engine

• Heat conductor

What does the first law of thermodynamics state?

• Heat flows from hot to cold

• Heat can do work

• Energy cannot be created or destroyed

• Heat is always conserved

What does the second law of thermodynamics limit?

• The amount of heat transferred

• The efficiency of a heat engine

• The amount of work a heat engine can do for a certain amount of heat

• The speed of heat transfer

What does the third law of thermodynamics state?

• Entropy of a system is always zero

• Entropy of a system increases with temperature

• Entropy of a system decreases with temperature

• Entropy of a system approaches a constant value as the temperature approaches absolute zero

What does the zeroth law of thermodynamics state?

• Heat always flows from hot to cold

• Heat can be converted into work

• Energy is conserved in a closed system

• If two bodies are in thermal equilibrium with a third body, they are in equilibrium with each other

What is the study of heat and its transformation to other forms of energy called?

• Thermodynamics

• Kinematics

• Optics

• Electrodynamics

What is the literal meaning of thermodynamics?

• Movement of heat

• Generation of heat

• Absorption of heat

• Transformation of heat