The GATE Grind

GATE 2023 AG – Question 19

Farm Power · Farm Power · 1 mark · Multiple choice

A tractor develops150 N·m at maximum power and has 20% reserve torque. Find peak torque in N·m.

  1. 100
  2. 120
  3. 180
  4. 210

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Correct answer: (C) 180

Explanation

Reserve torque is the increase above torque at rated/maximum-power speed, expressed relative to that rated torque. Thus $T_{peak}=150(1+.20)=180$ N·m. The20% corresponds to 30 N·m extra torque. Therefore **C**.

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