Allied & ICAR Exam Bank • ALLIED_1139 NAT • 2 Marks

Section 3: Farm Power

Farm Power

Subtopic: Engine Heat Balance

Question Statement:

In an engine heat balance test, total fuel energy input is 100 kW. If brake power developed is 32 kW, cooling jacket absorbs 28 kW, and exhaust gases carry away 30 kW, the unaccounted radiation and convection losses (in kW) are:

Answer Key:

10

Step-by-Step Solution & Explanation

Unaccounted losses $= Q_{total} - (BP + Q_{cool} + Q_{exh}) = 100 - (32 + 28 + 30) = 100 - 90 = 10\text{ kW}$.
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