Question

CFD applications provide information for the design of furnaces with ____ thermal efficiency and ____ emissions of pollutants.

(a) Increased, reduced

(b) Reduced, increased

(c) Reduced, reduced

(d) Increased, increased

I had been asked this question in semester exam.

Question is taken from Applications in section Philosophy of Computational Fluid Dynamics of Computational Fluid Dynamics

Answer 1

The correct choice is (a) Increased, reduced

The best explanation: Thermal efficiency should be increased to get the best out of the input energy. Considering the environmental effects, the emission of pollutants should be less.