Will you please give me some tips to prepare for NTPC Interview Test???????

Here I am giving you some tips to prepare for NTPC Interview Test

-The candidate has to undergo thorough preparation in order to get through the interview.
-They have to develop knowledge on technical papers and good aptitude knowledge so as to answer the verbal and non verbal reasoning questions.
-The candidate should be prepared to face all the technical and general questions that will be popped from the interview panel.
- The aspirants have to improve their communication skills before attending the placement interview.
-Candidates should possess a thorough knowledge in all the core subjects.
-The candidates have to present themselves with good personality, attitude and aptitude.

Some of Interview questions:

Technical
.What is the similarity between Induction motor and Transformer?
2.Explain about the B-H curve and its significance?
3.Design Full adder and Half Adder circuit?
4.What is Load torque and its significance in starting of Induction motor?
5.Why efficiency of thermal power plant is low (30-40%) ?
6.Why synchronous motor is not self starting motor ( prime mover is required to start)?
7.Why transformer core is laminated?
8.Why generation voltage is low (11kVto 33kV) why don't we generate power at 220kV?
9.What is Plug setting multiplier and time setting multiplier in relays?
8.What is PI, PD and PID controllers and applications for all?
9.Advantages of DC machines compared to AC machines?
10.In explosive and polluted environments which type of motors do we use?
11.What is snubber circuit?
12.Applications of cyclo-convertors?
13.Why we use low frequency (16 1/2 ) in traction applications?
14.What is Lead - Lag compensation?
15.Why secondary of CT should not be open?
16.What is the effect of harmonics on power system?
17.Advantages and disadvantages of Gauss seidel and Netwon rapson methods in solving load flow studies?
18.Which type of network cant be used for applying super-position theorem?
19. What is direct memory access?
20. What is electrical corona and methods to reduce the corona effect?

Personal Interview questions
1. Tell me about yourself, your family background and your academic details.
2. Any co-curricular activity?
3. If you were given opportunity to go abroad will you accept it?
4. What subjects you have read in these six semesters?
5. What is the role of electronics and communication in Power Plants?
6. What are Transducers?
7. How will you measure and display the temperature of a body?
8. What should be the capacity of the device you are using for measurement?....