Engineering, 21.12.2020 14:00 daniel9299
Assignment 1 (40 marks) 1. Explain the dilemma faced by engineers when the state of technological change does not exactly match the state of social change yet engineers develop technology to serve society. Use at least three examples, one in each discipline of civil engineering, mechanical engineering and electrical engineering. (20 marks)
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Engineering, 03.07.2019 14:10
Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned
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Engineering, 03.07.2019 15:10
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
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Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
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Engineering, 04.07.2019 18:10
The higher the astm grain size number, the finer the gran is. a)-true b)-false
Answers: 2
Assignment 1 (40 marks)
1. Explain the dilemma faced by engineers when the state of technological c...
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