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Engineering Interview Questions
Questions Answers Views Company eMail

hra

1 3147

Due to the sensitive earth fault Our Power plant Get Tripped Several Times, It happens in the morning time daily, When temperature rises that means sun rises the earth fault current get lower, in this situation What should I do to get rid of this Problem?

2 4211

How to calculate 1 brss for RCC work  

Allied Group, Jyoti Structures Ltd,

2184

we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?

Afflatus Grauver Pvt Ltd,

1734

Sir, Please tell me that how I will calculate the efficiency of rectifier. Because input is ac and output is dc. Is it right to put two unlike signal together.

2 3062

Why  we are always  only used 11 kv.  , 22 kv ,33kv      in transmission line? Why not use 25,  55 ,65 kv ?

Khidmah LLC, Precision Camshafts Limited,

3 5430

What is the effect of atmospheric pressure & Temp; on efficiency of motor? Why NGR(Neutral Grounding Resistor) is used in 132/11 KV Transformer & how? What is the use of Auto T/F in Grid Station?

K-Electric Limited,

1904

I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration  So is there any causes biside this or  any  permissives ?

1853

whats the coloring code of a air to open or a air to close valve?

1769

In Generator How suction compression power and exhaust works ?

Sify,

1946

what is B , c & d curves in MCB characteristics i e Full Form of B , C & D . sir please give me answer

NCC,

1 3706

How to get a pipe weight? if we have know only diameter and length.

Bhel,

2 4837

what are the measuring instrument used to measure Radial and axial clearances of the gas turbine?

1 3215

what is the bow of the shaft?

MRF,

1 3194

Why camber is provided?

G R InfraProjects, Tata Steel Limited,

2 6490


Un-Answered Questions { Engineering }

What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.

2267


what is the size of cable for 15kw motor and 85 meter cable length using with vfd

2366


How can we calculate ac current from the given DC current when AC voltage is given?

1952


Explain why the input impedance of op-amp is so high?

1152


Explain and give me an example of a time when you had to explain some new procedures to your co-workers for quality service delivery, how did you go about it?

2878


What is astm?

1


What are the various kind of cables used for transmission?

1105


How to decide no. of Step and Kvar for APFC Panel 40 kvar MD: 33.12 KVA Avg pf : 0.8540

1106


Define the meaning of tristate signal in electronics?

1018


WHAT IS DENSITY OF AIR AND PETROL MIXTURE IN 2 STROKE S.I.ENGINE

2214


we have 15 ampere variyac but we want 30 ampere variyac what we do

1929


orifice sizing how done, checking & selection

1963


Why emitter is always forward biased?

1181


Convert 1024 (in decimal) to octa and hexadecimal form

1189


Any one can help me to identified, how can we interchange the device in FF

2786