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  • NTDC interview questions (5)
  • NTDC technical test questions (1)



NTDC Interview Questions
Questions Answers Views Company eMail

Impedance relay is directional relay or non directional relay?

2 5053

1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

1 3159

why we use chopper circuit in TV ?

1195

Which modulation has higher data rates a.fm b.am c.qam d.qpsk

1 2002

what is meant by hidden beam & purpose of hidden beam

2 5313





32+32+58+___ ?

1 210

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Un-Answered Questions

You want to change a Application Server name and the WebServer which file will you     modify and where?

283


What are active & passive elements in BTS?

911


If we are placing the order in amazon on behalf of the customer who is ordered from other e-commerce sites and the goods is directly billed to the customer address from the amazon sellers and for the same we are receiving some profit at that in our books of account what entries need to be passed...?? do i eligible to get the ITC on the GST amount paid..??

103


how to generate dsnless connectivity in j2ee

793


can you tell me the correct process for creating automation frame work for project(key word driven framework)

893






state the care that shall be taken while checking the diode

1646


i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result

849


How to Rcognize the Objects in the Web Page Dialog Using QTP

1270


Is there any freeware tool for automation testing of mobile applications for BlackBerry and iPhone platforms ?

1888


Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??

330


how can u give space garentee for volume in netapp storage

2153


TRAFO 1. WHY BREATHER IS USED. 2. WHY OIL GOES DOWN IN CONSERVATOR TANK. 3. WHY WE ARE TAKING OIL SAMPLE TAKING FROM BOTTOM OF TRANSFORMER. 4. HOW TO CHECK IR VALUE OF TRANSFORMER. 5. WHY OLTC HAVING BUCHHOLZ TRIP ONLY; WHY NO ALARM. 6. OFF LOAD TAP CHANGER OPERATION PROCEDURE. 7. TR. SHUTDOWN / ISOLATION PROCEDURE. 8. WHEN THREE TRS. IN PARALLEL, ONE TR. IS NOT SHARING THE LOAD – WHAT IS REASON AND WHAT YOU WILL DO. 9. WHY TR. HAS OLTC IN HV SIDE. 10. WHAT IS % IMPEDANCE. 11. WHY TR. RATING IN MVA. 12. WHAT IS VECTOR GROUP IN TR. 13. CONDITION FOR PARALLEL OPERATION OF TRS. 14. WHAT IS TERTIARY WINDING. WHERE IT WILL BE. 15. IF TR. TRIP ON BUCHHOLZ OR TAP CHANGER RELAY, WHAT YOU WILL DO. 16. DIFFERENCE BETWEEN OIL TEMP. AND WINDING TEMP. PROTECTION 17. HOW WINDING TEMP. IS MEASURED IN CAST RESIN TR. 18. DIFFERENT TYPES OF FAULTS IN TR. Trafo - Page-1 of 2 19. WHAT HAPPENS WHEN TR. CHARGED FROM LV. 20. WHAT WILL YOU DO IF MEGGER READING SHOWS ZERO BETWEEN LV WINDING AND EARTH. 21. CAN WE INTERCHANGE BUCHHOLZ RELAY OF MAIN TANK AND OLTC TANK. 22. IF THE LINE BETWEEN BREATHER AND CONSERVATOR TANK 23. LOCKED, WHAT WILL HAPPEN DURING LOAD CYCLE. 24. WHAT IS THE FUNCTION OF OIL SEAL IN BREATHER. 25. WHAT ARE LOCATIONS FOR BUCHHOLZ RELAY FIXED IN POWER TR. 26. WHAT ARE CHECKS IN POWER TR. DURING MAINTENANCE. 27. WHAT IS IMPORTANT WHEN WE CHECK OLTC OPERATION DURING MAINTENANCE. Trafo - Page 2 of 2

1205


sir i am appearing in railway exam of section engineer and my branch is chemical engineering i want previous question paper of section engineer of chemical branch please tell me as soon as possible my email id is surendrasaroj18@gmail.com THANKYOU

863


Can a Delphi Application Connect to an InterBase Database on Any Platform?

720


What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

333






NTDC Interview Questions
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