Engineering Board Exam Reviewer · Thermodynamics · easy

One calorie (cal) is approximately equal to:

1. 1.055 J
2. 9.81 J
3. 4.187 J
4. 0.239 J

Answer

C. 4.187 J

Solution

1 cal 4.187 J; equivalently 1 J 0.239 cal.

More Thermodynamics questions

1. One British thermal unit (BTU) is approximately equal to:
2. The SI unit of energy is the:
3. Enthalpy is defined as:
4. A process that takes place at constant volume is called:
5. A reversible adiabatic process is also called:
6. A process that takes place infinitely slowly so that the system remains infinitesimally close to equilibrium at all times is called:
7. Heat and work are classified as:
8. Which of the following is an extensive property?
9. A system in which both mass and energy may cross the boundary is called a/an:
10. A system in which mass does NOT cross the boundary but energy may cross is called a/an:

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