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 10261Why 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 7200how can we determine the quantity of steel bars in a structure? is there any formula for determing the number of bars required ?
3 26452what is the difference between zener diode n tunnel diode in terms of their breakdown??????????
Bhel,
1 22030types 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
What are the techniques to measure road difference?
What is the advantage of on-off control?
Why are active filters preferred
documentation on improved trace buffer via Selective Data Capture Using 2-D Compaction for Post-Silicon Debug
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]
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?
how much cable size required for 70 kilowatt load.
What is gold investment casting?
If you have an earth with pilecap then your resistance is really low. why and how?
I am EEE student i want to improve my core side skills.how cn i approach it?
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?
please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI}}} TECHNICAL question papers TO MY EMAIL ID pushpapappu@yahoo.co.in
Which indian missile was successfully launched on 11th april 1999?
Use of switch mode power converter in real-time basis?
What is control system?