What accounts for the presence of water in the exhaust leaving as vapor?(a) Gross calorific value(b) Flash point value(c) Ignition temperature value(d) Net calorific valueThis question was posed to me during a job interview.Question is taken from Calorific Value of Fuels in section Steam Power Plant of Energy Engineering

What accounts for the presence of water in the exhaust leaving as vapo

1.	What accounts for the presence of water in the exhaust leaving as vapor?(a) Gross calorific value(b) Flash point value(c) Ignition temperature value(d) Net calorific valueThis question was posed to me during a job interview.Question is taken from Calorific Value of Fuels in section Steam Power Plant of Energy Engineering
Answer» Correct OPTION is (a) Gross CALORIFIC VALUE The explanation: Gross HEATING value accounts for water in the exhaust leaving as vapor, and includes liquid water in the fuel prior to combustion. This value is important for fuels like wood and COAL, which will usually contain some amount of water prior to burning.

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