Right now, Malampaya is the only sizeable source of natural gas in the Philippines. A certain sample of natural gas from Malampaya analyses 74% methane, 12% ethane, 5.5% propane, 4.7% N2 and 3.8% CO2....

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Extracted text: Right now, Malampaya is the only sizeable source of natural gas in the Philippines. A certain sample of natural gas from Malampaya analyses 74% methane, 12% ethane, 5.5% propane, 4.7% N2 and 3.8% CO2. A sample of the natural gas is completely burned in a burner using 45% excess air at 30°C, 748 mmHg and 80% relative humidity to produce stack gases at 250°C and 760 mmHg. Calculate a. GCV and NCV of the sample gaseous fuel in MJ/kg b. Orsat Analysis of the stack gas c. m3 stack gas/m3 air d. Dew point of the stack gas in °C