DieselShip's Online Content Library

Q7. An unknown hydrocarbon fuel combusts with dry air, the resulting products have

the following dry volumetric products, 11% CO₂, 1.5% CO, 2% O₂ and 85.5% N₂.

(a) Calculate the percentage excess air.

(b) Determine the partial pressure of the water vapour and dew point.

(c) Describe the difference between HCV and LCV values.

Note:  [Air contain 21% Oxygen by volume and atmospheric pressure is 1.0135 x 10⁵ Pa]