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In an ECM process for machining iron, it is desired to obtain a metal removal rate of 1 cm3/min. If atomic weight of iron is 56 g, valency at which dissolution occurs is 2, density of iron is 7.8 g/cm3, and Faraday's constant is 1609 A min, the amount of current required for the process is (Answer up to two decimal places)
Correct answer is '448.22'. Can you explain this answer?
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In an ECM process for machining iron, it is desired to obtain a metal...
Amount of Material Removal Rate:
- The desired metal removal rate is given as 1 cm3/min.
- This means that 1 cm3 of iron needs to be removed in 1 minute.
Atomic Weight and Valency:
- The atomic weight of iron is given as 56 g/mol.
- The valency at which dissolution occurs is 2.
Density:
- The density of iron is given as 7.8 g/cm3.
- This means that 1 cm3 of iron weighs 7.8 grams.
Calculating the Mass of Iron to be Removed:
- To calculate the mass of iron that needs to be removed in 1 minute, we can use the density.
- Mass = Volume x Density
- Since the density is given in g/cm3 and the desired removal rate is given in cm3/min, the mass will be in grams.
- Mass = 1 cm3 x 7.8 g/cm3 = 7.8 grams
Calculating the Amount of Substance to be Removed:
- To calculate the amount of substance (in moles) to be removed, we need to divide the mass by the atomic weight.
- Amount of Substance = Mass / Atomic Weight
- Amount of Substance = 7.8 g / 56 g/mol = 0.139 moles
Calculating the Amount of Charge Required:
- The amount of charge required can be calculated using Faraday's constant.
- Amount of Charge = Amount of Substance x Valency x Faraday's Constant
- Amount of Charge = 0.139 moles x 2 x 1609 A min
- Amount of Charge = 446.716 A min
Rounding the Answer:
- The answer is given as '448.22' which is rounded to two decimal places.
Explanation of the Answer:
- The calculated amount of charge required is 446.716 A min.
- Since the answer is rounded to two decimal places, it is rounded up to '448.22' A min.
- The desired metal removal rate is given as 1 cm3/min.
- This means that 1 cm3 of iron needs to be removed in 1 minute.
Atomic Weight and Valency:
- The atomic weight of iron is given as 56 g/mol.
- The valency at which dissolution occurs is 2.
Density:
- The density of iron is given as 7.8 g/cm3.
- This means that 1 cm3 of iron weighs 7.8 grams.
Calculating the Mass of Iron to be Removed:
- To calculate the mass of iron that needs to be removed in 1 minute, we can use the density.
- Mass = Volume x Density
- Since the density is given in g/cm3 and the desired removal rate is given in cm3/min, the mass will be in grams.
- Mass = 1 cm3 x 7.8 g/cm3 = 7.8 grams
Calculating the Amount of Substance to be Removed:
- To calculate the amount of substance (in moles) to be removed, we need to divide the mass by the atomic weight.
- Amount of Substance = Mass / Atomic Weight
- Amount of Substance = 7.8 g / 56 g/mol = 0.139 moles
Calculating the Amount of Charge Required:
- The amount of charge required can be calculated using Faraday's constant.
- Amount of Charge = Amount of Substance x Valency x Faraday's Constant
- Amount of Charge = 0.139 moles x 2 x 1609 A min
- Amount of Charge = 446.716 A min
Rounding the Answer:
- The answer is given as '448.22' which is rounded to two decimal places.
Explanation of the Answer:
- The calculated amount of charge required is 446.716 A min.
- Since the answer is rounded to two decimal places, it is rounded up to '448.22' A min.
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Community Answer
In an ECM process for machining iron, it is desired to obtain a metal...
Atomic weight of iron = 56 g
Valency of iron dissolution = 2
Density of iron = 7.8
Faraday's constant F = 1609 A
Amount of current required = (1609 × 2 × 7.8)/56 = 448.22 Amp
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In an ECM process for machining iron, it is desired to obtain a metal removal rate of 1 cm3/min. If atomic weight of iron is 56 g, valency at which dissolution occurs is 2, density of iron is 7.8 g/cm3, and Faraday's constant is 1609 A min, the amount of current required for the process is (Answer up to two decimal places)Correct answer is '448.22'. Can you explain this answer?
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In an ECM process for machining iron, it is desired to obtain a metal removal rate of 1 cm3/min. If atomic weight of iron is 56 g, valency at which dissolution occurs is 2, density of iron is 7.8 g/cm3, and Faraday's constant is 1609 A min, the amount of current required for the process is (Answer up to two decimal places)Correct answer is '448.22'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about In an ECM process for machining iron, it is desired to obtain a metal removal rate of 1 cm3/min. If atomic weight of iron is 56 g, valency at which dissolution occurs is 2, density of iron is 7.8 g/cm3, and Faraday's constant is 1609 A min, the amount of current required for the process is (Answer up to two decimal places)Correct answer is '448.22'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In an ECM process for machining iron, it is desired to obtain a metal removal rate of 1 cm3/min. If atomic weight of iron is 56 g, valency at which dissolution occurs is 2, density of iron is 7.8 g/cm3, and Faraday's constant is 1609 A min, the amount of current required for the process is (Answer up to two decimal places)Correct answer is '448.22'. Can you explain this answer?.
In an ECM process for machining iron, it is desired to obtain a metal removal rate of 1 cm3/min. If atomic weight of iron is 56 g, valency at which dissolution occurs is 2, density of iron is 7.8 g/cm3, and Faraday's constant is 1609 A min, the amount of current required for the process is (Answer up to two decimal places)Correct answer is '448.22'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about In an ECM process for machining iron, it is desired to obtain a metal removal rate of 1 cm3/min. If atomic weight of iron is 56 g, valency at which dissolution occurs is 2, density of iron is 7.8 g/cm3, and Faraday's constant is 1609 A min, the amount of current required for the process is (Answer up to two decimal places)Correct answer is '448.22'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In an ECM process for machining iron, it is desired to obtain a metal removal rate of 1 cm3/min. If atomic weight of iron is 56 g, valency at which dissolution occurs is 2, density of iron is 7.8 g/cm3, and Faraday's constant is 1609 A min, the amount of current required for the process is (Answer up to two decimal places)Correct answer is '448.22'. Can you explain this answer?.
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In an ECM process for machining iron, it is desired to obtain a metal removal rate of 1 cm3/min. If atomic weight of iron is 56 g, valency at which dissolution occurs is 2, density of iron is 7.8 g/cm3, and Faraday's constant is 1609 A min, the amount of current required for the process is (Answer up to two decimal places)Correct answer is '448.22'. Can you explain this answer?, a detailed solution for In an ECM process for machining iron, it is desired to obtain a metal removal rate of 1 cm3/min. If atomic weight of iron is 56 g, valency at which dissolution occurs is 2, density of iron is 7.8 g/cm3, and Faraday's constant is 1609 A min, the amount of current required for the process is (Answer up to two decimal places)Correct answer is '448.22'. Can you explain this answer? has been provided alongside types of In an ECM process for machining iron, it is desired to obtain a metal removal rate of 1 cm3/min. If atomic weight of iron is 56 g, valency at which dissolution occurs is 2, density of iron is 7.8 g/cm3, and Faraday's constant is 1609 A min, the amount of current required for the process is (Answer up to two decimal places)Correct answer is '448.22'. Can you explain this answer? theory, EduRev gives you an
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