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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 2876

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 8155

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

2235

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

2 5483

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

2436

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

1877

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

1812

what type questions asked in hp cl

HPCL,

1879

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???

1929

wht is charging gateway protocol wht is it functio

ZTE,

2118

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 6449

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 9359

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

4 7478

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 3954

where induction generator is used ?

1 4286


Un-Answered Questions { Engineering }

What is missing report and how to prepare

1604


Hi,I am working in abroad for more than 3 years in a company operating with 11kv and 6.4 MW power. I need c licence in India,can I? some other says only i can get if i work for 2 years in india only! anybody kindly clarify by doubt.Thanks

1863


which data are need when microwave are linked in communication..???

2181


what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me

2123


Brief working principle of stabilizer,application & safety precautions

5707


How many double suspension hardware fittings are required on a double circuit transmission tower?

2127


What are the different type of mechanism to engage primary moving engine and transmission [ In other word how many different type of clutches are there

2166


What is the use of radar?

1276


List out some of the software program that can be useful for architect?

1130


How the active power factor correction changes the wave shape of current drawn by a load to improve the power factor?

1054


how to remover corona effect and hysteresis losses from contactor

2042


How Much static pressure as per NFPA standard is required in the hydrant line?

1712


please send the sample qustion paper for iocl written test ..

3729


how to measure dc earth leakage current?

3189


What are the Full Forms of TVM, MTL, CVT ?

1453