Q1. In a multi engine installation one engine is showing higher Specific Fuel Consumption (SFC) than the other engines. All engines take fuel oil from the same fuel oil service tank and each engine has an individual dedicated fuel supply unit of the same make and type.
a) Explain with reasons the possible causes for one engine having a higher specific fuel consumption than the other engines. (8)
b) State with reasons how the cause of the higher SFC can be detected. (8)
