Chemical Engineering
2018 · Paper 1
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Complete GATE CH 2018 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 37–39 of 65. Imported answers require review unless explicitly marked reviewed.
Question 27
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In the year 2005, the cost of a shell and tube heat exchanger with 68 m² heat transfer area was Rs. 12.6 Lakh. Chemical Engineering Index for cost in 2005 was 509.4 and now the index is 575.4. Based on index of 0.6 for capacity scaling, the present cost (in Lakhs of rupees) of a similar heat exchanger having 100 m² heat transfer area is estimated to be
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A furnace installed at a cost of Rs. 24 Lakh is expected to serve its useful life of 5 years. Salvage value of the furnace is Rs. 8 Lakh. The interest rate compounded annually is 8%. The estimated capitalized cost (in Lakhs of rupees) is
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 29
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G denotes the Gibbs free energy of a binary mixture, nₜ denotes the total number of moles present in the system, μᵢ is the chemical potential of the iᵗʰ component (μᵢ ≠ 0 and μ₁ > μ₂) and xᵢ is the mole fraction of the iᵗʰ component. The correct variation of G/nₜ (in J/mol) at constant temperature and pressure is given by
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