Engineering Board Exam Reviewer · Thermodynamics · easy

One British thermal unit (BTU) is approximately equal to:

1. 4.187 kJ
2. 0.252 kJ
3. 1.055 kJ
4. 778 kJ

Answer

C. 1.055 kJ

Solution

1 BTU 1055 J = 1.055 kJ ( 252 cal, 778 ft· lbf).

More Thermodynamics questions

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

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