# A 3-cylinder 4-stroke CI engine coupled with a turbocharger has a bore and stroke length of $120 \mathrm{~mm}$ and $130 \mathrm{~mm}$, respectively. The engine is running at $1600 \mathrm{rpm}$ with a volumetric efficiency of $150 \%$. The air to fuel ratio for complete combustion on weight basis is 14.9: 1 and the density of air entering the cylinder is $1.2 \mathrm{~kg} \mathrm{~m}^{-3}$. The fuel consumption in $\mathrm{kg} \mathrm{h}^{-1}$ is (A) 17.05 (B) 25.57 (C) 33.33 (D) 51.14

## Question ID - 156422 :- A 3-cylinder 4-stroke CI engine coupled with a turbocharger has a bore and stroke length of $120 \mathrm{~mm}$ and $130 \mathrm{~mm}$, respectively. The engine is running at $1600 \mathrm{rpm}$ with a volumetric efficiency of $150 \%$. The air to fuel ratio for complete combustion on weight basis is 14.9: 1 and the density of air entering the cylinder is $1.2 \mathrm{~kg} \mathrm{~m}^{-3}$. The fuel consumption in $\mathrm{kg} \mathrm{h}^{-1}$ is (A) 17.05 (B) 25.57 (C) 33.33 (D) 51.14

3537

(B) 25.57

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A level field of 1.2 ha $(120 \mathrm{~m} \times 100 \mathrm{~m})$ is ploughed using a reversible mould board plough with a total effective cutting width of $0.64 \mathrm{~m}$. The average field overlap is $80 \mathrm{~mm}$ between two consecutive laps. The average time taken for each turn is 30 seconds and the mean operating speed is $5.0 \mathrm{~km} \mathrm{~h}^{-1}$. The maximum effective field capacity in ha $\mathrm{h}^{-1}$ is
(A) 0.207
(B) 0.236
(C) 0.283
(D) 0.318