Feedback for Steam and Gas Power Systems

Dear student

We are glad that you have attended the NPTEL online certification course.

We hope you found the NPTEL Online course useful and have started using NPTEL extensively.

In this regard, we would like to have a feedback from you regarding our course and whether there are any improvements, you would like to suggest.
 
We are enclosing an online feedback form and would request you to spare some of your valuable time to input your observations. Your esteemed input will help us in serving you better.

The link to give your feedback is : https://goo.gl/forms/aPfneioXhFiiJxYx2


We thank you for your valuable time and feedback.

Thanks & Regards,
NPTEL Team 

Steam and Gas Power Systems : Hall ticket for April 28/29 NPTEL Online Certification exams is now available for download

Dear Candidate:

If you have registered and paid successfully for the April28/29 NPTEL Online certification exams, your Admit Card/Hall ticket is now available at http://nptelonlinecourses.iitm.ac.in/

Login with your registered Google-enabled account email id (used to access the course on the portal and used for registering for the exam) and its password to access the link. Click on April exam to download the hall ticket(s) for the April28/29 exams, from the link.

2. You can also download it from the alternate link given below:
https://cdn3.digialm.com//EForms/configuredHtml/885/54105/login.html  

Please try to access both the links to download your hall ticket: if you are not able to find your hall ticket in both the links, kindly write to us at nptelexam@nptel.iitm.ac.in
 
Note that you will be able to login here, only if you have a valid registration for exams on April 28/29, 2018. 

Please download hall ticket, take a print out and along with a original ID card, carry it with you to the exam venue (The exam centre address is displayed in the hall ticket). Read all instructions given in the admit card/ hall ticket carefully and follow them.
Download hall tickets for all the exams you have registered for - in case you don't get the hall tickets for any particular course, please write to  nptelexam@nptel.iitm.ac.in .

IMPORTANT:

1. Change of shift, course, exam center, exam city is NOT POSSIBLE.
2. You WILL NOT BE ALLOWED to write the exam if you are showing up at the exam center which is not allocated to you by mistake or by intention.
3. Candidates will not be allowed to write the exam without Hall ticket and proper id proof. Proof on the mobile phones or soft copy of hall ticket is NOT PERMITTED.

NPTEL Team wishes you the very best for the certification exam.

Assignment-8 solution

Dear Learners

Solution of assignment-8 is available in the portal under week-8 tab. Kindly cross-check your answer with the detailed solution provided.
You can also access the solution through following link 
link: https://onlinecourses.nptel.ac.in/noc18_me34/assets/img/steam%20and%20gas%20power%20assignment=8%20solution.pdf

Regarding assignment-7 solution

Dear Learners

Solution of assignment-7 is available in the portal under week-7 tab. Kindly cross-check your answer with the detailed solution provided.
You can also access the solution through following link 
link: https://onlinecourses.nptel.ac.in/noc18_me34/assets/img/steam%20and%20gas%20power%20assignment=7%20solution.pdf

update on assignment -7, question -12 (units of specific work output)

Dear students

 consider the unit of specific work output as kW-s/kg of air in question 12 of assignment-7.

Regarding week-8 lecture videos and assignment

Dear Student

This is to inform you that week-8 lecture videos and assignment are now available. There are total of five videos as follows
1. Centrifugal Compressors Characteristics
2. Axial Flow Compressor
3. Axial Flow Compressor Characteristics
4. Jet Propulsion
5. Problem Solving

You can also  access the videos/ course content through :  http://nptel.ac.in/courses/112107216/
Kindly note that due date for assignment 8 is 4-April-2018. You can submit the assignment multiple times before the due date. Please note that the final/latest submission will be considered for the evaluation.
You can also access assignment through: https://onlinecourses.nptel.ac.in/noc18_me34/unit?unit=62&assessment=79

update on assignment -6 question-7

Dear student
For question -7 of assignment-6 which is as:


In a reaction turbine, when steam flows through the moving blad
 
 
 
 

assignment-6 solution

Dear student assignment-6 solution is now available. Do check your answer with the solution provided.


Update on assignment-5 scores

Dear student

Scores of the assignment -5  question-3 is now updated. Kindly check your scores under progress tab. Any discrepancy should be reported early.

Regarding week-7 lecture videos and assignment

Dear Student

This is to inform you that week-7 lecture videos and assignment are now available. There are total of five videos as follows
1. Gas turbine cycle
2. Gas Turbine cycle Performance Evaluation
3. Gas Turbine cycle - Modifications
4. Problem Solving (Gas Turbine Cycle)
5. Centrifugal Compressors

You can also  access the videos/ course content through :  http://nptel.ac.in/courses/112107216/
Kindly note that due date for assignment 7 is 28-March-2018. You can submit the assignment multiple times before the due date. Please note that the final/latest submission will be considered for the evaluation.
You can also access assignment through: https://onlinecourses.nptel.ac.in/noc18_me34/unit?unit=54&assessment=78

Update on assignment 5 question-3

Dear student

This is to inform you all  that, the answer of question-3 assignment-5 is 53.5 m/s. All those who have attempted it correctly, will get their marks updated.

Regarding assignment-4 solution (Steam and gas power systems)

Dear student

This is to inform you that solution of assignment-4  is now now available in the portal under week-4  tab.
Kindly cross-check your answer with the solution provided. If you have any doubt regarding same, feel free to ask question.
You can also directly access the solution using following link:
solution 4 :https://onlinecourses.nptel.ac.in/noc18_me34/assets/img/4.pdf

Assignment-5 solution

Dear student

This is to inform you that solution of assignment-5  is  available in the portal under week-5  tab.
Kindly cross-check your answer with the solution provided. If you have any doubt regarding same, feel free to ask question.
You can also directly access the solution using following link:
solution 5 : https://onlinecourses.nptel.ac.in/noc18_me34/assets/img/5%20solution%20.pdf

Regarding assignment-4 score

Dear student

This is to inform you all, that, there shall be an update in the scores of assignment-4, as question -11 is not considered while calculating your score, as this question has two correct answers increase the entropy and improve quality of steam. If any one still have any doubt should report early.

update on assignment 6 question 2

Dear student

kindly read the assignment 6 question 2 as:

In reaction turbines, the axial thrust is due to
(a) pressure drop across the rotor
(b) change in axial velocity
(c) both (a) and (b)
(d) none of these
 

Last date for Exam registration extended till March 15, 2018 - 1 pm (Thursday) - Hurry up and register today!!

Dear Candidate

Due to technical issue there was some problem with the exam form since yesterday. Now the issue has been fixed.

Last date for exam registration has been extended till March 15, 2018 - 1 pm (Thursday)

Last date for making the payment individually - March 16, 2018 - 1:00 PM (Friday)

If you have not yet registered for the exam, login to the form and apply for the exam today! If you have filled the form but not done the payment, Please complete the payment before March 16 1:00 pm.

Register for the exam today at: http://nptelonlinecourses.iitm.ac.in/

For other details about exam registration, please check our previous announcement.

NOTE:  NO EXTENSIONS BEYOND THESE DATES WILL BE GIVEN.

-NPTEL Team

regarding assignment-5 value of K and extension of due date for assignment-5

Dear student

Take the value of K as 0.8 in assignment-5 linked question 11-14. Also last date for the submission of assignment-5 is extended to 17 march, 23:59 hours. 

regarding updation of scores of assignment 2 and 3

Dear student
 
Scores of the assignment 2  (question - 9) and 3 ( question 11) have been updated, for those who have attempted correctly. If any one still have any doubt should report with the screenshot of the answer attempted.

Regarding registration for exam

Due to some technical issue with the exam registration form, registration date is extended till march 15, 2018- 1 pm.
 


Regarding week-6 lectures videos and assignment (steam and gas power systems)

Dear Students

This is to inform you that week-6 lecture videos and assignment are now available. There are total of five videos as follows
1. Impulse Reaction Steam Turbine
2. Impulse Reaction Steam Turbine Performance
3. Energy Losses in Steam Turbine
4. Condensers
5. Problem Solving (Steam Turbine)

You can also  access the videos/ course content through :  http://nptel.ac.in/courses/112107216/
Kindly note that due date for assignment 6 is 21-March-2018. You can submit the assignment multiple times before the due date. Please note that the final/latest submission will be considered for the evaluation.
You can also access assignment through: https://onlinecourses.nptel.ac.in/noc18_me34/unit?unit=46&assessment=77

Weekly feedback for course Steam and Gas Power Systems

Dear learner

Thank you for continuing with the course and hope you are enjoying it.
We would like to know if the expectations with which you joined this course are being met and hence please do take 2 minutes to fill out our weekly feedback form.
Would help us tremendously in gauging learner experience.
Feedback form link : http://nptel.ac.in/noc/nocprofile/super_admin/weekly_feedback/form.php

Thank you.
-NPTEL team

Steam and Gas Power Systems : Exam and Certificate Format

Dear student

The certification exam will be conducted at designated centres in the city chosen by you. You have to register for the exam by filling up the form, paying the exam fee, appear in person and score >= 40% to get the certificate.

Register for the exam today at: http://nptelonlinecourses.iitm.ac.in/

Exam registration form closes on March 14, 2018 - 5 pm (Wednesday).

For other details about exam registration, please check our previous announcement.

Type of exam: Computer based exam 

You will have to appear at the allotted exam centre and produce your Hall ticket and Government Photo Identification Card(Example: Driving License,Passport, PAN card, Voter ID, Aadhaar-ID with your Name, date of birth, photograph and signature) for verification and take the exam in person. You can find the allotted exam center details in the hall ticket.

The questions will be on the computer and the answers will have to be entered on the computer; type of questions may include multiple choice questions, fill in the blanks, essay type answers, etc

The hall ticket will be available for download tentatively around 10 - 16th April 2018. We will notify the same through email.
 
FINAL CERTIFICATE:

The final score = 25% assignment score + 75% final certification exam score.
The final score will determine if you will/will not receive a certificate.

1. Final score < 40%: NO certificate

2. Final score between 40% -59%: Certificate of type "Successfully completing the course"

3. Final score between 60% -89%: Certificate with tag "Elite" printed at the top

4. Final score of 90% and above: Certificate with "Elite" tag and the gold medal printed on it.

Please click the link here for certificate format: 
-NPTEL Admin

Last date for Exam registration extended - Hurry up and register today!!

Dear Candidates

Last date for exam registration has been extended till March 14, 2018 - 5 pm (Wednesday)

Last date for making the payment individually - March 15, 2018 - 5 PM (Thursday)

The certification exam will be conducted at designated centers in the city chosen by you. You have to register for the exam by filling up the form, paying the exam fee and appear in person to get the certificate.

Hard and soft copy of Certificate will be awarded only to those candidates who register for the exam, attend the certificate examination and whose Final score > 40%

Register for the exam today at: http://nptelonlinecourses.iitm.ac.in/

For other details about exam registration, please check our previous announcement.

-NPTEL Team

Regarding Assignment-3 solution

Dear student

This is to inform you that solution of assignment-3 is now now available in the portal under week-3 tab.
Kindly cross-check your answer with the solution provided. If you have any doubt regarding same, feel free to ask question.
You can also directly access the solution using following link:
solution 3:https://onlinecourses.nptel.ac.in/noc18_me34/assets/img/Assignment%203%20solution%20(steam%20and%20gas%20power).pdf

Regarding week-5 lecture videos (Steam and gas power systems)

Dear Students

This is to inform you that week-5 lecture videos and assignment are now available. There are total of five videos as follows
1. Steam Turbine
2. Compounding of Steam Turbine
3. Impulse Steam Turbine
4. Impulse Steam Turbine Performance
5. Problem solving (Impulse Steam Turbine)

You can also  access the videos/ course content through :  http://nptel.ac.in/courses/112107216/
Kindly note that due date for assignment 5 is 14-March-2018. You can submit the assignment multiple times before the due date. Please note that the final/latest submission will be considered for the evaluation.
You can also access assignment through:  https://onlinecourses.nptel.ac.in/noc18_me34/unit?unit=38&assessment=76

Regarding assignment 4 linked question (13-15)

 Dear student
In assignment-4 linked question (13-15), kindly read the statement as:

Steam at 2.0 MPa and 60 oC superheat enters a set of nozzles which have a total cross-sectional area of 645 cm2 at exit. The pressure of steam at exit is 500 kPa and dryness fraction is 0.97. Enthalpy of steam at inlet and outlet of nozzle are 2952 kJ/kg and 2685 kJ/kg respectively. At inlet, the specific volume of superheated vapour is 0.117 m3/kg  and  at 0.5 MPa pressure, specific  volume of saturated vapour is 0.3748 m3/kg .

Regarding week 4 lectures and assignment (Steam and gas power systems)

Dear Students

This is to inform you that week-4 lecture videos and assignment are now available. There are total of five videos as follows
1. Boiler Trial
2. Nozzles and Diffusers - Momentum and Continuity Equations
3. Nozzles and Diffusers- Efficiency and Critical Pressure
4. Nozzles and Diffusers- General Relationships and Supersaturated Flow
5. Problem Solving (Nozzles and diffusers)

You can also  access the videos/ course content through :  http://nptel.ac.in/courses/112107216/
Kindly note that due date for assignment-4 is 7-March-2018. You can submit the assignment multiple times before the due date. Please note that the final/latest submission will be considered for the evaluation.
You can also access assignment through:  https://onlinecourses.nptel.ac.in/noc18_me34/unit?unit=30&assessment=75

Regarding assignment-1 and 2 solution

Dear student

This is to inform you that solutions for assignment-1 and assignment-2 are now now available in the portal under their respective week's tab.
Kindly cross-check your answer with the solution provided. If you have any doubt regarding same, feel free to ask question.
You can also directly access the solution using following link:
solution 1: https://onlinecourses.nptel.ac.in/noc18_me34/assets/img/steam%20and%20gas%20power%20assign1%20solution.pdf
solution 2: https://onlinecourses.nptel.ac.in/noc18_me34/assets/img/steam%20and%20gas%20power%20assignment-2%20solution.pdf

Note: As far as problem in assignment-2 question 9 is concerned, all those who have attempted right answer, their scores will be updated.

REGARDING WEEK-3 LECTURE VIDEOS AND ASSIGNMENT

Dear Students

This is to inform you that week-3 lecture videos and assignment is now available. There are total of five videos as follows
1. High pressure boilers (part -2)
2. Draught
3. Performance of boiler
4. Combustion of fuel
5. Problem solving (combustion of fuel)

You can also  access the videos/ course content through :  http://nptel.ac.in/courses/112107216/
Kindly note that due date for assignment-3 is 28-Feb-2018. You can submit the assignment multiple times before the due date. Please note that the final/latest submission will be considered for the evaluation.
You can also access assignment through:  https://onlinecourses.nptel.ac.in/noc18_me34/unit?unit=22&assessment=74

Week 2: Give your valuable feedback for course steam and gas power systems


Dear Learner

Hope you have gone through the contents for  week-2 and also attempted the assignment.
We value your feedback and wish to know how you found the videos and the questions asked - whether they were easy, difficult, as per your expectations, etc
We shall use this to make the course better and we can also know from the feedback which concepts need more explanation, etc.

Please do spare some time to give your feedback - comprises just 5 questions - should not take more than a minute, but makes a lot of difference for us as we know what the learners feel.
Thank you.

REGARDING WEEK-2 LECTURES AND ASSIGNMENT

Dear student

This is to inform you that week-2  lecture videos and assignment are now available under week-2 tab of this course portal. There are total of five lecture videos as follows:
1. Steam Generators
2. Fire Tube Boilers
3. Water Tube Boilers
4. Boiler mountings and accessories
5. High pressure Boilers (part-1)

You can also access the videos/ course content through  http://nptel.ac.in/courses/112107216/
Kindly note that due date for assignment-2 is 21/Feb/2018. refer link: https://onlinecourses.nptel.ac.in/noc18_me34/unit?unit=6&assessment=72

REGARDING SOLVING ASSIGNMENTS

Dear Student

This is to inform you all that you have to submit all assignment in the portal itself. You can attempt assignment as many times  till  due date is lapsed. You can also change the option . Only assignment submitted by you till last date will be considered for marking.  If you still have have any doubt feel free to ask question.

Give your valuable feedback for course Steam and Gas Power Systems

Dear learner

Thank you for enrolling to this NPTEL course and we hope you have gone through the contents for this week and also attempted the assignment.
We value your feedback and wish to know how you found the videos and the questions asked - whether they were easy, difficult, as per your expectations, etc
We shall use this to make the course better and we can also know from the feedback which concepts need more explanation, etc.

Please do spare some time to give your feedback - comprises just 5 questions - should not take more than a minute, but makes a lot of difference for us as we know what the learners feel.
Thank you.

- NPTEL team

Regarding data for question 11-15 of assignment-1

Dear student
Data for solving the linked question 11-15 is as:

Two steam turbines A and B operate with the same initial pressure namely 15 bar and the degree of superheat 102 oC. In turbine A the exhaust pressure is 0.1 bar, whereas, in turbine B the exhaust pressure is 0.03 bar. 

At 0.1 bar hf = 191.9 kJ/kg; hfg =2392.8 kJ/kg; s f=0.6494 kJ/kg-K; sfg= 7.5013 kJ/kg-K; vf = 0.001003 m3/kg;

At 0.03bar hf = 101.2 kJ/kg; hfg =2444.3 kJ/kg; s f=0.3593 kJ/kg-K; sfg= 8.222 kJ/kg-K; vf = 0.001010 m3/kg;

At 15 bar ts= 198.3oC

Enthalpy and entropy of steam supplied in the turbine is 3037.59 kJ/kg and 6.91885 kJ/kg-K respectively.


11) theoretical steam consumption in turbine A in kg/kWh

(a)   4.25

(b)   3.80

(c)    4.83

(d)   4.58

 12 Theoretical steam consumption in turbine B in kg/kW/h

(a)    3.31

(b)    3.65

(c)     3.12

(d)   3.54

13 Reduction in steam consumption due to lower exhaust pressure in turbine- B

(a)     16.4

(b)     26.7

(c)      31.8

(d)      12.8

14  Theoretical thermal efficiency of turbine A

(a) 23.74

(b) 26.22

(c) 29.74

(d) 32.74

15  Increase in thermal efficiency of turbine B due to lowering the  exhaust pressure

(a)   22%

(b)   16%

(c)    19%

 (d)   13%

If you still find any difficulty feel free to contact us. Kindly note that dead line for submitting the assignment is 21 Feb-2018.

Regarding week-1 lecture videos and assignment

Dear student

This is to inform you that week-1 lecture videos and assignment are now available under week-1 tab of this course portal. There are total of five lecture videos as follows:
1. Review of thermodynamics
2. Rankine cycle
3. performance of Rankine cycle
4. Binary vapour cycle and co-generation
5. Problem solving (Rankine cycle)

You can also access the videos/ course content through  http://nptel.ac.in/courses/112107216/
Kindly note that due date for assignment-1 is 21/Feb/2018. refer link: https://onlinecourses.nptel.ac.in/noc18_me34/unit?unit=6&assessment=72

Regarding Assignment-0

Dear student

This is to inform you that assignment-0 is now available. You can see this under how to access the portal tab. This mock assignment will help you in dealing with this portal and further assignments.

Kindly note that This assignment allows the enrolled candidates to do a self-assessment of their readiness for the course. The marks scored shall not be counted towards the final

score. If you area able to score minimum 20 marks you are prepared for this course.

Reminder 1:REGISTER TODAY - CERTIFICATION EXAM FORM IS NOW OPEN!

Dear Student:

Here is the much-awaited announcement on registering for the April 2018 certification exam. The registration for the certification exam is open only to students who have enrolled in the course.

Registration is open from 09th January 2018 (Tuesday) until March 07, 2018 10:00 AM (Wednesday). 
The certification exam registration URL is: http://nptelonlinecourses.iitm.ac.in/

(If you want to register for the exam for this course, login here using the same email id used to enroll to the course)

Dates of exam: April 28 and April 29, 2018 
Session: [Forenoon] For this course there is no ”Afternoon” Session.

You can register for a maximum of 4 course exams (same day of exam – 2 sessions. Same center will be allocated for both the sessions).

Exam Session time: Forenoon: 9.00 AM -12.00 PM ; Afternoon: 2.00 PM - 5.00 PM
Examination Cities: The exam is to be conducted in several cities across India whose list is available on the registration form. 

Click here to access the list of exam cities: http://nptel.ac.in/pdf/examcities_final.pdf
Registration fees: Rs 1100/-
(Students belonging to the SC/ST category can avail a 50% fee waiver - please select Yes for the SC/ST option and upload the correct Community certificate)
Students belonging to the PwD category can avail a 50% fee waiver - please select Yes for the option and upload the relevant Disability certificate.

Mode of payment:  Online payment - debit card/credit card/net banking or via SPOC of college

HALL TICKET:
The hall ticket will be available for download tentatively between 10 - 16th April 2018. We will confirm the same through an announcement once it is published.

Final score on certificate: 25% of assignment score + 75% of certification exam score.
Award of certificate:  Hard and soft copy of Certificate will be awarded only to those candidates who register for the exam, attend the certificate examination and whose Final score >= 40%

The final score, assignment score and exam score will be printed on the certificate. The certificate will also have a link to the NPTEL website (http://nptel.ac.in/noc), where on logging in, your scores and e-certificate will be available for verification  (Appropriate announcements will be made). Please do regularly submit assignments to get a good final score.

IMPORTANT NOTES

1) FOR CANDIDATES WHO WOULD LIKE TO WRITE MORE THAN 1 COURSE EXAM:- you can add or delete courses and pay separately – till the date when the exam form closes. No changes will be entertained after that.  

2) FOR CANDIDATES WHO ARE PAYING VIA THE LOCAL CHAPTER OF YOUR COLLEGE:- 

1. In the exam form, you will fill all the details and also upload photo, signature.
2. Ensure that you had selected your college name correctly from the drop-down list in the form.
3. Payment of exam fees - click on the tab - 'PAY VIA SPOC'.
The SPOC has to now confirm to NPTEL that he/she will pay fees on your behalf.
If the SPOC says NO, you will be intimated via email.
Then it becomes your responsibility to come back to the exam form and make the payment.
If you do not pay the exam fees within the prescribed time, you will not be able to write the exam.

Please read the instructions carefully before submitting the form.
In case of any queries please write to us at noc@nptel.iitm.ac.in

Thanks & Regards,
NPTEL TEAM

Welcome to NPTEL Online Course: Steam and Gas Power Systems

Dear student

Welcome to NPTEL Online Courses and Certification!

Thank you for signing up for our online course "Steam and Gas Power Systems". We wish you an enjoyable and informative learning experience.

The course will begin on Feb 5, 2018. When content is released on the portal, you will get an email alerting you. Please watch the lectures, follow the course regularly and submit all assessments and assignments before the due date. Your regular participation is vital for learning.

We will open registration for the exam soon after the course starts. A form has to be filled and the certification exam has a fee, which needs to be paid at the time of registration. Everyone who has signed-up for the course, including those who do not register for the exam, will continue to have access to the course contents.

There are two sections on the portal apart from the course content and assignment sections:
•    The announcement list which will only have messages from course instructors and teaching assistants - regarding the lessons, assignments, exam registration, hall tickets etc.     
•    The discussion forum which is for everyone to ask questions and interact - If you have any questions regarding the technical content in the lectures, any doubts in the assignments or any question related to the exam, registration, hall tickets, results, etc, kindly write about this in the forum and the course instructor/TA will respond to it. Please use this well and participate to benefit from the course.

Details regarding the course:

Name of the course: Steam and Gas Power Systems
Course duration : 5 Feb 2018- 30 March 2018(8 weeks)
Date and Time of Exams: April 28 (Saturday) and April 29 (Sunday) : Morning session 9am to 12 noon;
Exam for this course will be available in one session on both 28 and 29 April.
Final List of exam cities will be available in exam registration form.
Exam registration url - Will be announced shortly

Once again, thank you for your interest in our online courses and certification. Happy learning - NPTEL team.