Refrigeration and Thermodynamics sample

What is the SI base unit for temperature?

• Fahrenheit.

• Celsius.

• Kelvin.

• Rankine.

What is the derived SI unit of the measurement of the rate of energy flow?

• Watt.

• Joule.

• Kelvin.

• Newton.

What is the same when two bodies are in thermal equilibrium?

• Their energy content.

• Their temperature.

• Their thermal conductivity.

• Their mass.

Which is an absolute temperature scale?

• Fahrenheit.

• Celsius.

• Centigrade.

• Kelvin.

What happens to molecules at absolute zero?

• They vibrate very fast.

• They vibrate very slowly.

• They are motionless.

• They change state.

What is 62°C converted to Kelvin?

• 228 K.

• 258 K.

• 288 K.

• 335 K.

Which thermodynamic law states that energy cannot be created or destroyed, but only converted?

• Boyle's law.

• Charles' law.

• First law.

• Second law.

Which thermodynamic law describes ice melting in a glass of warm water?

• Second law.

• Boyle's law.

• First law.

• Charles' law.

The heat from the sun travels to Earth by which process or processes?

• Conduction

• Convection

• Radiation

• Evaporation

What is the SI unit for energy?

• Pascal.

• Joule.

• Watt.

• Kelvin.