Engineering Board Exam Reviewer · Thermodynamics · easy

Which of the following is an extensive property?

  1. Total volume
  2. Pressure
  3. Temperature
  4. Density

Answer

A. Total volume

Solution

Extensive properties are proportional to the mass of the system: mass, total volume, total energy, total enthalpy.

More Thermodynamics questions

  1. A system in which both mass and energy may cross the boundary is called a/an:
  2. A system in which mass does NOT cross the boundary but energy may cross is called a/an:
  3. The First Law of Thermodynamics is essentially a statement of the principle of:
  4. Thermodynamics is the branch of science that deals with:
  5. Air at 101.325 kPa and 25 °C has a relative humidity of 60%. If the saturation pressure at 25 °C is 3.169 kPa, what is the partial…
  6. A two-stage air compressor with perfect intercooling compresses air from 100 kPa to 900 kPa. For minimum total work, what should the…
  7. An air-standard Otto cycle has a compression ratio of 10. At the start of compression the air is at 300 K, and the maximum cycle…
  8. Two kilograms of air is heated at constant pressure from 300 K to 600 K. What is the change in internal energy? (cp = 1.0 kJ/kg· K, R =…
  9. A 2 kW electric heater operates for how long to consume 1 kWh of energy?
  10. Water flows at 2 m3/s from a reservoir 50 m above a hydraulic turbine. If the turbine-generator efficiency is 90%, what is the electrical…

All Thermodynamics Reviewer questions