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Two metallic sheets, each of 2.0 mm thickness, are welded in a lap joint configuration by resistance spot welding at a welding current of 10 kA and welding time of 10 milliseconds. A spherical fusion zone extending up to the full thickness of each sheet is formed. The properties of the metallic sheets are given as: ambient temperature = 293 Kmelting temperature = 1793 Kdensity = 7000 kg/m3latent heat of fusion = 300 kJ/kgspecific heat = 800 J/kg K Assume:(i) contact resistance along sheet – sheet interface is 500 micro–ohm and along electrode – sheet interface is zero;(ii) no conductive heat loss through the bulk sheet materials; and(iii) the complete weld fusion zone is at the melting temperature.The melting efficiency (in %) of the process is ?a)50.37b)60.37c)70.37d)80.37Correct answer is option 'C'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared
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the GATE exam syllabus. Information about Two metallic sheets, each of 2.0 mm thickness, are welded in a lap joint configuration by resistance spot welding at a welding current of 10 kA and welding time of 10 milliseconds. A spherical fusion zone extending up to the full thickness of each sheet is formed. The properties of the metallic sheets are given as: ambient temperature = 293 Kmelting temperature = 1793 Kdensity = 7000 kg/m3latent heat of fusion = 300 kJ/kgspecific heat = 800 J/kg K Assume:(i) contact resistance along sheet – sheet interface is 500 micro–ohm and along electrode – sheet interface is zero;(ii) no conductive heat loss through the bulk sheet materials; and(iii) the complete weld fusion zone is at the melting temperature.The melting efficiency (in %) of the process is ?a)50.37b)60.37c)70.37d)80.37Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam.
Find important definitions, questions, meanings, examples, exercises and tests below for Two metallic sheets, each of 2.0 mm thickness, are welded in a lap joint configuration by resistance spot welding at a welding current of 10 kA and welding time of 10 milliseconds. A spherical fusion zone extending up to the full thickness of each sheet is formed. The properties of the metallic sheets are given as: ambient temperature = 293 Kmelting temperature = 1793 Kdensity = 7000 kg/m3latent heat of fusion = 300 kJ/kgspecific heat = 800 J/kg K Assume:(i) contact resistance along sheet – sheet interface is 500 micro–ohm and along electrode – sheet interface is zero;(ii) no conductive heat loss through the bulk sheet materials; and(iii) the complete weld fusion zone is at the melting temperature.The melting efficiency (in %) of the process is ?a)50.37b)60.37c)70.37d)80.37Correct answer is option 'C'. Can you explain this answer?.
Solutions for Two metallic sheets, each of 2.0 mm thickness, are welded in a lap joint configuration by resistance spot welding at a welding current of 10 kA and welding time of 10 milliseconds. A spherical fusion zone extending up to the full thickness of each sheet is formed. The properties of the metallic sheets are given as: ambient temperature = 293 Kmelting temperature = 1793 Kdensity = 7000 kg/m3latent heat of fusion = 300 kJ/kgspecific heat = 800 J/kg K Assume:(i) contact resistance along sheet – sheet interface is 500 micro–ohm and along electrode – sheet interface is zero;(ii) no conductive heat loss through the bulk sheet materials; and(iii) the complete weld fusion zone is at the melting temperature.The melting efficiency (in %) of the process is ?a)50.37b)60.37c)70.37d)80.37Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for GATE.
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Here you can find the meaning of Two metallic sheets, each of 2.0 mm thickness, are welded in a lap joint configuration by resistance spot welding at a welding current of 10 kA and welding time of 10 milliseconds. A spherical fusion zone extending up to the full thickness of each sheet is formed. The properties of the metallic sheets are given as: ambient temperature = 293 Kmelting temperature = 1793 Kdensity = 7000 kg/m3latent heat of fusion = 300 kJ/kgspecific heat = 800 J/kg K Assume:(i) contact resistance along sheet – sheet interface is 500 micro–ohm and along electrode – sheet interface is zero;(ii) no conductive heat loss through the bulk sheet materials; and(iii) the complete weld fusion zone is at the melting temperature.The melting efficiency (in %) of the process is ?a)50.37b)60.37c)70.37d)80.37Correct answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Two metallic sheets, each of 2.0 mm thickness, are welded in a lap joint configuration by resistance spot welding at a welding current of 10 kA and welding time of 10 milliseconds. A spherical fusion zone extending up to the full thickness of each sheet is formed. The properties of the metallic sheets are given as: ambient temperature = 293 Kmelting temperature = 1793 Kdensity = 7000 kg/m3latent heat of fusion = 300 kJ/kgspecific heat = 800 J/kg K Assume:(i) contact resistance along sheet – sheet interface is 500 micro–ohm and along electrode – sheet interface is zero;(ii) no conductive heat loss through the bulk sheet materials; and(iii) the complete weld fusion zone is at the melting temperature.The melting efficiency (in %) of the process is ?a)50.37b)60.37c)70.37d)80.37Correct answer is option 'C'. Can you explain this answer?, a detailed solution for Two metallic sheets, each of 2.0 mm thickness, are welded in a lap joint configuration by resistance spot welding at a welding current of 10 kA and welding time of 10 milliseconds. A spherical fusion zone extending up to the full thickness of each sheet is formed. The properties of the metallic sheets are given as: ambient temperature = 293 Kmelting temperature = 1793 Kdensity = 7000 kg/m3latent heat of fusion = 300 kJ/kgspecific heat = 800 J/kg K Assume:(i) contact resistance along sheet – sheet interface is 500 micro–ohm and along electrode – sheet interface is zero;(ii) no conductive heat loss through the bulk sheet materials; and(iii) the complete weld fusion zone is at the melting temperature.The melting efficiency (in %) of the process is ?a)50.37b)60.37c)70.37d)80.37Correct answer is option 'C'. Can you explain this answer? has been provided alongside types of Two metallic sheets, each of 2.0 mm thickness, are welded in a lap joint configuration by resistance spot welding at a welding current of 10 kA and welding time of 10 milliseconds. A spherical fusion zone extending up to the full thickness of each sheet is formed. The properties of the metallic sheets are given as: ambient temperature = 293 Kmelting temperature = 1793 Kdensity = 7000 kg/m3latent heat of fusion = 300 kJ/kgspecific heat = 800 J/kg K Assume:(i) contact resistance along sheet – sheet interface is 500 micro–ohm and along electrode – sheet interface is zero;(ii) no conductive heat loss through the bulk sheet materials; and(iii) the complete weld fusion zone is at the melting temperature.The melting efficiency (in %) of the process is ?a)50.37b)60.37c)70.37d)80.37Correct answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Two metallic sheets, each of 2.0 mm thickness, are welded in a lap joint configuration by resistance spot welding at a welding current of 10 kA and welding time of 10 milliseconds. A spherical fusion zone extending up to the full thickness of each sheet is formed. The properties of the metallic sheets are given as: ambient temperature = 293 Kmelting temperature = 1793 Kdensity = 7000 kg/m3latent heat of fusion = 300 kJ/kgspecific heat = 800 J/kg K Assume:(i) contact resistance along sheet – sheet interface is 500 micro–ohm and along electrode – sheet interface is zero;(ii) no conductive heat loss through the bulk sheet materials; and(iii) the complete weld fusion zone is at the melting temperature.The melting efficiency (in %) of the process is ?a)50.37b)60.37c)70.37d)80.37Correct answer is option 'C'. Can you explain this answer? tests, examples and also practice GATE tests.