A diesel engine when operates with biodiesel blend $\mathrm{B} 20$ ( $20 \%$ biodiesel and $80 \%$ diesel by volume) develops a brake power of $10 \mathrm{~kW}$ with a brake specific fuel consumption of $0.26 \mathrm{~kg} \mathrm{~kW}^{-1} \mathrm{~h}^{-1} .$ If the density of biodiesel is $880 \mathrm{~kg} \mathrm{~m}^{-3}$ and that of diesel is $850 \mathrm{~kg} \mathrm{~m}^{-3},$ the amount of biodiesel required to run the engine for 3 hours in $\mathbf{L}$ ( round off to 2 decimal places) is________________

A diesel engine when operates with biodiesel blend $\mathrm{B} 20$ ( $20 \%$ biodiesel and $80 \%$ diesel by volume) develops a brake power of $10 \mathrm{~kW}$ with a brake specific fuel consumption of $0.26 \mathrm{~kg} \mathrm{~kW}^{-1} \mathrm{~h}^{-1} .$ If the density of biodiesel is $880 \mathrm{~kg} \mathrm{~m}^{-3}$ and that of diesel is $850 \mathrm{~kg} \mathrm{~m}^{-3},$ the amount of biodiesel required to run the engine for 3 hours in $\mathbf{L}$ ( round off to 2 decimal places) is________________

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