Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Engineering Interview Questions

Questions Answers Views Company eMail

how to calc. current for 5MVAR,50hz,33kv

1 4000

1.what is the reason for transformer and lightning arrester blast in 33kv system

1 7335

In a 3 phase system a neutral exists so that any unbalanced currents can flow through it towards earth.... but a phase demands a particular current as per the load attached to it....then where does the extra current come from the goes in the neutral??....I mean in an unbalanced system a phase demands a current as per its load attached....then where does the unbalanced current come from??

1 3352

Calculator battery power goes down to 1V from 1.6V in 15 days... What could be the reason?

Hamilton,

2479

I am having 120KVA UPS,which is connected to DG & normal power. What is the power drawn by this system when system is running on DG ????

2 4265

what is shutoff dp? why is it important for selection of a control valve?

1 21900

how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical

2571

what is the difference between high impedance & low impedance

L&T,

1 4693

how to converate kva to kw ?

4 7254

what is stroke check for field instument transmetter's & AOV's

2198

i/p converter always for supply pessure from 3~15 psi only !! And from where this converter bleed the air.

2 5373

what is the process for double acting cylinder pneumatic for 32' v/v

2075

which is more harder ductile or brittle..????

TCS,

1 4921

MES NEW DELHI

MES,

1 4994

how to calculate the circular beam reinforcement.its a helipad beam. Dia of bar 25 mm. if its consider any elongation?

Gammon,

1 3614

Un-Answered Questions { Engineering }

How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

4052

all types instrumentation questions want

2184

What is ansi?

What is milivolt dop test in Busducts? What is its significance & procedure to do the test?

2095

Which pipes are used for steam lines?

1189

we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.

2065

How generator NPS(NEGATIVE PHASE SEQUENCE TEST)TEST WAS DONE? PROCEDURE WITH DETAILS?

2233

Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?

2334

i want to know what r the various job in government as well as central government, for mechanical engineers. can any one answer plz

1965

Define de-sensitivity?

1128

Earth is a conductor or load?then ammeter connect to 3- phase supply,it shows the measurents or not?

2079

What safety device will activate to stop the compressor in the refrigeration system

2185

What is the crank length in the slab?

1072

describe the timing circuit of 8085 mpu?

2338

What is heat treatment?

1047

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