# A two-wheel drive tractor with rear wheel rolling radius of $600 \mathrm{~mm}$ develops a tractive force of $18.5 \mathrm{kN}$ at a wheel slip of $12 \%$. The engine speed is $2400 \mathrm{rpm}$ and the transmission ratio from the engine to the rear wheels is 120: 1 . If the tractor experiences a motion resistance of $1.75 \mathrm{kN},$ the drawbar power developed by the tractor will be____________ $\mathrm{kW}$.

## Question ID - 156527 :- A two-wheel drive tractor with rear wheel rolling radius of $600 \mathrm{~mm}$ develops a tractive force of $18.5 \mathrm{kN}$ at a wheel slip of $12 \%$. The engine speed is $2400 \mathrm{rpm}$ and the transmission ratio from the engine to the rear wheels is 120: 1 . If the tractor experiences a motion resistance of $1.75 \mathrm{kN},$ the drawbar power developed by the tractor will be____________ $\mathrm{kW}$.

3537

Answer Key : (18.00 to 21.00) -

18.00 to 21.00

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A single plate dry clutch transmits $15 \mathrm{~kW}$ power at $1200 \mathrm{rpm}$. The clutch sustains a maximum axial load of $2.65 \mathrm{kN}$. The ratio of outer to inner diameter of the frictional surface is 1.25: 1 . Considering uniform wear with a coefficient of friction of 0.3 on both the frictional surfaces, the outer diameter of the clutch plate is__________mm 