Practice - Calorific Value (Higher and Lower Heating Value)
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Practice Questions
Test your understanding with targeted questions
Define Higher Heating Value in your own words.
💡 Hint: Think of all heat released during combustion.
What is Lower Heating Value?
💡 Hint: Consider what happens to the water vapor.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does HHV stand for?
💡 Hint: Focus on the use of 'Heating'.
True or False: The LHV includes the latent heat of condensation.
💡 Hint: Recall the differences between LHV and HHV.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
If a fuel system's efficiency is reported at 85% using LHV, calculate the efficiency if HHV is considered instead.
💡 Hint: Consider your efficiency values and how they relate!
A technician is measuring the heating value of wood. If the wood has a HHV of 20 MJ/kg and LHV of 19 MJ/kg, calculate the heat loss in MJ/kg.
💡 Hint: Subtract the two values for the difference!
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