GATE PI · 2024 · PI
Question 59: Advanced Manufacturing
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Question 59
PINAT2 marksNeeds review
Electro-chemical machining is performed on a flat copper workpiece. If the material removal rate is 2 cm
/min throughout the process, then the required current (in A) is ________. (Rounded off to 1 decimal place)Copper properties: Melting point = 1085 °C, density = 9 g/cm
, gram atomic weight = 63, and valency of dissolution = 2Faraday’s constant = 96500 C
Stefan-Boltzmann constant = 5.67 × 10
W·m
·K
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2024PI
GATE PI 2024 · Paper 1
Production and Industrial Engineering · Original paper archive
- Section
- Production and Industrial Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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