Allied & ICAR Exam Bank • ALLIED_0866 NAT • 2 Marks

Section 3: Farm Power

Farm Power

Subtopic: I.C. engine systems – fuel, cooling, lubrication, ignition, electrical, intake and exhaust

Question Statement:

An engine with total displacement $3.0\text{ L}$ has theoretical intake volume of $0.05\text{ m}^3/\text{s}$. Measured actual volumetric air intake rate is $0.042\text{ m}^3/\text{s}$. Volumetric efficiency $\eta_v = (0.042 / 0.05) \times 100$ in percent is:

Answer Key:

84

Step-by-Step Solution & Explanation

$\eta_v = (0.042 / 0.05) \times 100 = 84.0\%$.
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