MCQs on Heat and Thermodynamics by Universal Science community regards Aliraza Tunio

What is the unit of heat energy?

• Joule (J)

• Watt (W)

• Calorie (cal)

• Kelvin (K)

Which law of thermodynamics states that energy cannot be created or destroyed?

• Zeroth Law

• First Law

• Second Law

• Third Law

What is the process of heat transfer that occurs through direct contact?

• Conduction

• Convection

• Radiation

• Evaporation

What is the term for the amount of heat required to raise the temperature of 1 gram of a substance by 1°C?

• Specific heat capacity

• Latent heat

• Heat capacity

• Thermal conductivity

Which type of thermodynamic process occurs at constant temperature?

• Isothermal

• Adiabatic

• Isobaric

• Isochoric

What is the term for the transfer of heat energy through electromagnetic waves?

• Conduction

• Convection

• Radiation

• Insulation

What is the unit of temperature in the Celsius scale?

• Kelvin (K)

• Degree Celsius (°C)

• Degree Fahrenheit (°F)

• Rankine (R)

Which law of thermodynamics describes the direction of spontaneous heat transfer?

• Zeroth Law

• First Law

• Second Law

• Third Law

What is the term for the amount of heat required to change the state of a substance?

• Specific heat capacity

• Latent heat

• Heat capacity

• Thermal conductivity

What is the process of heat transfer that occurs through the movement of fluids?

• Conduction

• Convection

• Radiation

• Evaporation