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Engineering Interview Questions
Questions Answers Views Company eMail

I have 12MW gas engine based power plant its running parallel with grid. my problem is When cpp run in island mode(without geb) that time geb transformer power factor is 0.2 lagging. When cpp run with parallel that time power factor is 0.94 lagging So how can i maintain power factor ofgeb transformer in island mode 0.9 lagging?

SPCL,

1 2802

hi can you give any body fault level calculation, generator fault level calculation,transformer fault level calculation for system fault level with equation? i have 3.3kv generation voltage three gas gen sets, one is 1.9MW,2nd is 2.5MW,& 3rd is 3.8MW & i have 11 kv generation voltage one gas gen sets is 3.8MW, we are step up to 22kv by transformer

Hindalco, Piramal Healthcare,

3 8034

How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.

2183

why dc exicitaion used in ac motor....?

2 5411

dear sir i m anshul kumar from dehradun i want to last five year railway chandigarh and allahabd entrance exam papers pls send it on my id my id is anshuldhiman83@gmail.com or anshuldhiman@rediffmail.com i shall be very greatful to u thank u

2387

dear sir i want also last five year rrb chandigarh and allahabad aptitude test question and their answered my id is anshuldhiman83@gmail.com

1839

what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?

1766

what type questions asked in hp cl

HPCL,

1817

how we can come to know that motor winding resistance which showing by DMM is right or wrong???is there any chart or something that we will compare & check???

1878

wht is charging gateway protocol wht is it functio

ZTE,

2061

Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer

1 6368

What is the minimum insulation value required for a cable between phase to phase and phase to earth of 380 Vac 50Hz circuit, having load arround 800 amps.

DEWA, TATA,

2 9228

what is the maximum current carrying capacity of a 95 sqmm cupper under ground cable laid partialy in land and partialy in ground?

4 7337

when we megger is not damaged when we are measuring very low resistance? high d.c. voltage is produced in megger so according to i=V/R. current will be high so what is the reason ?

1 3858

where induction generator is used ?

1 4213


Un-Answered Questions { Engineering }

You are about to take off the plane in few seconds and a catastrophic engine fails, and your captain tells you not to take off and just stay in the center line

998


Are there any alternatives to scraping a shell and tube if a capacity increase will make the pressure drop across the exchanger too large?

1248


Explain the different steps of Commissioning.

2084


what are the parameters are selected while manufacturing a single cylinder block?what are the different kind of test is conducted on it so that it can withstand with all those condition which required to run the engine efficiently.which force is act when piston slide inside the cylinder.

1975


hai please please if any one have useful test related and interview based question plz send me at saify_0@hotmail.com i will be thankfull

1991


What black man invented the clothes dryer?

1068


IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

2324


how to configure cisco router & switches plz provide me path steps?

2191


What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

1758


How to identify the vitrified tile and ceramic tile by observation only after executing the job.

943


2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?

1981


What is the most important precaution in any experiment with d.c. Shunt motor?

1226


WHAT IS MOBILE SUB-STATION? & REALLY BENEFIT IN INDIA

2039


why we call vestigial side band(VSB) as c3f?

2022


How is solution annealing carried out? What type of furnace is required? Does one need to be heat in a salt bath?

825