Engineering Interview Questions
Questions Answers Views Company eMail

why the cut in voltage of the LED is higher then diode? WHAt is the reason of not using the LED in the rectifier circuit

2 10261

Is the ratio fixed for M-20,M-25,M-30,M-35....grades of concrete??

Ahluwalia Contracts, L&T,

2 7923

what is ring system ?

Bhel, Sabic,

3 5237

Before given the connection to Alternator (pre- commissioning) which tests we will conduct

1 4311

Why we are designed only 11Kv and 6.6Kv Alternators, not 33Kv Alternators and Power Transmission side we are designed only 220kv, 120kv, 66kv, 33kv, 11kv, and 440volts, not 20kv, 50kv, 100kv.

2 7200

Why design 150Hz in Exciter

1 3260

In parallel operation time both NGR’s close or not close if both close what will happen

3247

How to design the NGR Resistance

1582

explain the Trip supervision circuit

NCC,

1640

Why in ESP Positive earthed

Sonhira,

2526

how can we determine the quantity of steel bars in a structure? is there any formula for determing the number of bars required ?

Nespak,

3 26452

what is the difference between zener diode n tunnel diode in terms of their breakdown??????????

Bhel,

1 22030

how we can calibrate split range control valve?

1 9038

how we use the positioner feed back in split range control valves?

Tata Power,

1 9536

types of stainless steel.why does this called stainless.what is passivation related to SS? What is sensitisation in stainless? Examples of diffrent type of steel e.g. austenatic,martensite,ferritic etc. 304,303,316. How to get rid of carbide formation in SS and stablization in SS.(347 etc.)Different type of heat treatments. Iron carbon diagram. Nelson chart with respect to corosion. Diffrent type of corosion and causes. Carbon equvalent number. Welding related questions.(requirement of post and pre heating in welding). welding of SS. If you have pre experience in maintenance then Material and welding related questions will be there. Then various types equipment in plant (a) static (b) rotatic in pumps and compressor,turbines funda of balance drum and balance disc, balancing line. Impulse wheel, wheel chamber pressure and its effect on turbone health if this increases. Thermal expansion of turbines and with respect to how foundation bolting are designed. Fixing of lower casing before dismantling. Most important shaft alignment and balancing of rotating equipment,classification of static and rotatic equpment used in process plants. Materials for diffrent services as refinery plants fertilizer plants, cement plants, sulphur plants, crude oil with higher sulphur services, then third important thing is codes, standards and recommended practices of diffrent organisation like ASTM,ASME,API,TEMA,BIS,IS,ISO,NPFA,OISD etc. diffrent type of work permit systems fire and safety point of view.

1 5347


Un-Answered Questions { Engineering }

What are the techniques to measure road difference?

733


What is the advantage of on-off control?

646


Why are active filters preferred

617


documentation on improved trace buffer via Selective Data Capture Using 2-D Compaction for Post-Silicon Debug

1445


hai iam venkat iam appering RRB exam chennai on 23 nov 2008. pls help me wat kind of questions i to prepare? mail {venkiremo_krv@yahoo.co.in]

1398






Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

1715


how much cable size required for 70 kilowatt load.

1130


What is gold investment casting?

546


If you have an earth with pilecap then your resistance is really low. why and how?

1408


I am EEE student i want to improve my core side skills.how cn i approach it?

1963


Plasterers do how many sqm with spray plaster machine? By hand one mason does 10m2/day. How much they do in Dubai with spray plaster machines?

1534


please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI}}} TECHNICAL question papers TO MY EMAIL ID pushpapappu@yahoo.co.in

1411


Which indian missile was successfully launched on 11th april 1999?

423


Use of switch mode power converter in real-time basis?

602


What is control system?

693