Allied & ICAR Exam Bank • ALLIED_0265 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Power efficiencies and measurement, engine performance curves

Question Statement:

A hydraulic absorption dynamometer absorbs engine output power by:

Options:

  • (A) Fluid shear and turbulence between rotating impeller vanes and stationary casing filled with water
  • (B) Friction between copper pads
  • (C) Eddy currents in magnetic cores
  • (D) Compressing air springs

Answer Key:

A

Step-by-Step Solution & Explanation

Water brakes dissipate rotational kinetic energy into heat through viscous fluid shear between rotor and stator vanes.
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