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Engineering Interview Questions
Questions Answers Views Company eMail

hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

Bhel, CVL,

1 2160

what is mean by dual digital protection in the relay field?

ABB,

1 2009

HOW TO CALCULATE GROUND FAULT CURRENT IN 430V 4000AMP AIR CIRCUIT BREAKER?

2 6171

draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words

1 23354

what is the meaning(definition)of EN grade of steel and also tell whats the full name of EN?

Hitachi, Mecon,

15 74278

Hi all, need Staad Pro V8i tutorial

Modi Builders,

1 10133

when air is supplied from larger diameter pipe with some pressure if change diameter to small pipe the pressure increases or not? also what is increased pressureor velocity?

1 1875

difference between ac and dc

Alstom, BPL, Ford, HCL, Wipro,

10 15741

in alternator permanent magnet generator is also connected on the alternator shaft,then y that PMG voltage is very low as compared to alternator?

1 3294

how much the percentile as a good percentile in elitmus.

1 6758

Difference between transmission line and cable?when ever a large water channel has to crossed it is easier to use cable then transmission line why?

1 3255

why 2 phase is used in argc furnace? why 6 phase is used in converting machinery?

1 3111

how to find fineness modulus of sand?

3 14804

how to calculate cutting length of stirrups bar in beam

16 56359

what is tpmo switch

3 30810


Un-Answered Questions { Engineering }

I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

2169


PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com

2085


can you provide me uniken pvt ltd. technical interview question and answer?

3217


If i update, insert or delete records in my view will it affect my base table?????

1830


manhole chamber having height of 2300 mm and thickness of brickwork is 230 mm and dia of opening covering is 560 mm and bottom length vertical is 1500 mm (1:4) brick masonry and plaster 12 mm on both sides..how to estimate the no bricks used with mortar cement bags and sand for total chamber including plaster.

1824


sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

2382


can you plz send l&t aptitude questions if available its urgent plz plz plz

2192


Please send me the qunty. of mason/labour required in each day for different type of civil construction work?please send me ans. in my mail.my mail id is (parthamitra086@gmail.com) or here.

2481


Draw the frequency response of DARLINGTON PAIR

2970


VAT and CST ? Which benefits for buyer ? Why benefits?

1887


Explain the approximate cost of the corrosion penetration monitoring system(cpmp)?

1100


DEAR Friends, If you any of them have previous placement papers or interview papers...plzz forward it to my mail id. "rajeevasv@gmail.com"........... Tank you

2107


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

2066


1- XC and the RC time constant are both measures of the reaction of C to a change in ____? 2-The power factor is a numerical ratio with a value between 0 and 1 equal to the ______________ of the phase angle. 3-When V and I are out of phase because of reactance, the product of V times I is called ______________ power 4-For _____________ inductors, the branch currents can be added algebraically. 5- The ______________ power in watts can be calculated as I^2R 6-Calculate XL with L = 30mH and f = 1kHz ( I have Xl=2piFL 2*3.141592653*1kHz*30mH =188 ohms Please check) 7-A parallel RL circuit has the values, R = 5kohms, XL = 5kohms. A voltage source of Vt = 10Vrms is connected in parallel to R and L. Determine the total current, It delivered by the voltage source Vt. 8-A series RC circuit has R = 1Mohm and C = 1microF. How long would it take for the capacitor to fully discharge if it is initially fully charged? 9-A circuit has real power = 300W and an apparent power of 500VA. Determine the power factor and phase angle. 10-The time constant for an LR series circuit is T = 0.1s and R = 10ohms. Calculate the inductance L.

3441


hi freinds my name is lokesh and i am preparing for bel so anybody having bel question papers can please send to my mail-loki_426@yahoo.com

2035