Thermodynamics Of Fluid Phase Equilibria - - Un... https://onlinecourses-archive.nptel.ac.in/noc19...
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Announcements Course Ask a Question Progress FAQ Unit 4 - Week- 02
Register for Certification exam Assignment 2
The due date for submitting this assignment has passed. Course As per our records you have not submitted this Due on 2019-03-13, 23:59 IST. outline assignment.
How to access 1) A heat pump is absorbing heat from the cold outdoors at 5°C and supplying heat to a house1 point the portal at 25°C at a rate of 18,000 kJ/h. If the power consumed by the heat pump is 1.9 kW, the coefficient of performance of the heat pump is: Week- 01 1.3 Week- 02 2.6 Lecture 08- The 3.0 Second Law of Thermodynamics 3.8
Lecture 09- No, the answer is incorrect. Entropy Score: 0 Lecture 10- Accepted Answers: Thermodynamic 2.6 Calculus 1 2) Keeping the limitations imposed by the second-law of thermodynamics in mind, choose the 1 point Lecture 11- Thermodynamic wrong statement below: Calculus 2 A heat engine cannot have a thermal efficiency of 100%. Lecture 12- Thermodynamic For all reversible processes, the second-law efficiency is 100%. Calculus 3 The second-law efficiency of a heat engine cannot be greater than its thermal efficiency. Lecture 13- Thermodynamic The second-law efficiency of a process is 100% if no entropy is generated during that Calculus 4 process.
Lecture 14- No, the answer is incorrect. Legendre Score: 0 Transformation and Accepted Answers: Free-energy The second-law efficiency of a heat engine cannot be greater than its thermal efficiency.
Lecture 15- 3) Two Carnot heat engines are operating in series such that the heat sink of the first engine 1 point Criteria for serves as the heat source of the second one. If the source temperature of the first engine is 1300 K phase equilibria and the sink temperature of the second engine is 300 K and the thermal efficiencies of both engines Lecture 16- are the same, the temperature of the intermediate reservoir is: Maxwell © 2014 NPTEL - Privacy & Terms - Honor Code - FAQs - Relation A project of 625 K In association with Lecture 17- 800 K Stability Criteria 860 K Funded by 453 K
1 of 4 Friday 21 June 2019 09:59 AM Thermodynamics Of Fluid Phase Equilibria - - Un... https://onlinecourses-archive.nptel.ac.in/noc19...
Quiz : No, the answerPowered is incorrect. by Assignment 2 Score: 0
Thermodynamics Accepted Answers: Of Fluid Phase 625 K Equilibria : Feedback For 4) Which of the following second law statements is incorrect? 1 point Week 2 The entropy of an isolated system must remain constant or increase. Assignment 2 Solution The entropy of a hot copper block decreases as it cools.
Week - 03 If ice is melted in water in an insulated container, the net entropy decreases. Work must be input if energy is transferred from a cold body to a hot body. Week - 04 No, the answer is incorrect. Week - 05 Score: 0 Accepted Answers: Week - 06 The entropy of an isolated system must remain constant or increase.
Week- 07 5) Liquid water enters an adiabatic piping system at 15°C at a rate of 8 kg/s. If the water 1 point temperature rises by 0.2°C during flow due to friction, the rate of entropy generation in the pipe is: Week -08 23 W/K
55 W/K
68 W/K
220 W/K
No, the answer is incorrect. Score: 0 Accepted Answers: 23 W/K
6) µi, the chemical potential of species i, can be expressed as: 1 point
No, the answer is incorrect. Score: 0 Accepted Answers:
7) can be expressed as which of the following: 1 point
2 of 4 Friday 21 June 2019 09:59 AM Thermodynamics Of Fluid Phase Equilibria - - Un... https://onlinecourses-archive.nptel.ac.in/noc19...
No, the answer is incorrect. Score: 0 Accepted Answers:
8) For a gas whose equation of state is P(V-b) = RT, the heat difference 1 point cp-cv is:
R
R-b
R+b
R/(1+V/b)
No, the answer is incorrect. Score: 0 Accepted Answers: R
9) If mercury were heated from 0°C to 1°C in a constant volume system, the 1 point -6 pressure developed (in bar) would be? Given kT = 5.32× 10 and α , at 0°C, = 18× 10 -5 (°C) -1
43.2
53.8
33.8
26.4
No, the answer is incorrect. Score: 0 Accepted Answers: 33.8
10) 1 point For a gas whose behavior can be described by P(V/n-b) = RT, and
would respectively be
No, the answer is incorrect. Score: 0 Accepted Answers:
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