GATE 2021 PI – Question 22
Manufacturing Processes II · Advanced Manufacturing · 1 mark · Multiple choice
A die-sinking EDM has pulse frequency 10 kHz and off-time 40 µs. Find duty factor.
- 0.40
- 0.60
- 0.67
- 2.50
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Show answer and explanation
Correct answer: (B) 0.60
Explanation
Pulse period = 1/10000 s = 100 µs. On-time = 100−40 = 60 µs. Duty factor = on-time/period = 60/100 = **0.60, B**.
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