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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 11650

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

Ahluwalia Contracts, L&T,

2 8966

what is ring system ?

Bhel, Sabic,

3 6582

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

1 5119

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 8131

Why design 150Hz in Exciter

1 3948

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

3731

How to design the NGR Resistance

2075

explain the Trip supervision circuit

NCC,

2152

Why in ESP Positive earthed

Sonhira,

3079

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 27851

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

Bhel,

1 23144

how we can calibrate split range control valve?

1 9854

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

Tata Power,

1 10746

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 6071


Un-Answered Questions { Engineering }

Hi i'm richa piplani applied for ATC(IT) if u have the syllabus & old question papers forward me.I will be very much thankful to you. piplani.richa@gmail.com and sonu_pips@yahoo.co.in

2022


why the wear of back tyre takes place more rapidly than front?

1980


what is allowable ac mixing in dc

2104


What are the applications of precision diode.

1047


What is rccs?

1066


Explain the difference between plc and logic card?

986


if any body have tyco electronics placement papers,please forward to my mail id kadhar.basha@gmail.com ,please as early as possible. thanks®ards kadhar basha

3290


Details about Flux Compensated magnetic Amplifer starter for motors

2017


what is the differencce inn series and cascade connection??

4726


what is difference between elr and R eartl realy.

2634


What type of gear is the first reduction gear pinion?

2758


If I want to connect a capacitor bank on the HT side of a 11kV/415V, 3 phase delta-star distribution transformer to supply Reactive power to it..what practical specifications of a Capacitor bank that can i've??please reply..

2498


what is Fault level? why it is calculated? how will u decide same for our plant?

2058


If u want ur Ans.Of any Question so mail me skatiyar011@yahoo.in

2016


I have to design brick column and footing (note: without any reinforcement). Can somebody post me the design or suggest a book where i could possibly find the design? Plz help very urgent

2220