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Engineering Interview Questions
Questions Answers Views Company eMail

A 3 phase motor operating off 415V system is developing 20Kw at an efficiency of 0.77 and power factor of 0.73. determine:- a)the line current. b)the phase current if winding are delta connected. c)the phase voltage if winding are star connected.

1 3033

what is negative phase sequence

1 2885

in ups how we can calculate the battery back up time

1 3804

Whether capacitor loads can be connected for testing a diesel engine at its full load capacity? Is there any limitation of capacotir load? Which is the best load for testing DG sets?

2 4436

Can someone guide me about the written test paper pattern for s/w engg having exp of more than 3yrs.will it be technical or aptitiude?

1856

how can we save enegry by using VFD for Resiprocating Air compressor which is having more unloading running hours

MRF,

2265

why unix commands simpler rather than complex task

2866

In Which vector group power transformers are mostly manufactured?

MRF,

1 4235

When VFD is connected to a 3 phase main supply there is load current difference between incomer to VFD and outgoing from VFD.

Shasun Chemicals,

1 5717

What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva

Shasun Chemicals,

2181

How will u convert the mmh2o in mass or Volumetic flow rate in DP Flow Transmitter. Give me the Brief explain using the formula

Walchandnagar Industries,

1 16681

two way ckt diagram can be drawn by how many ways? give diagram

1738

AVR is used for the Voltage regulation of the Generator using the feedback signal by exciting the field winding of the generator.But how the field winding will be excited & using what?

Alstom,

2 6321

In micro controller individual pin output current is 1.6ma .Normally to blink a led we need minium 10-12 ma. But if we connect led to the micro controller pins without additional device it blinks. How it is possible

2037

Micro controller input pin voltage is max 5v. If i want give 50 0r 100v input pin. whether is it possible

4 6435


Un-Answered Questions { Engineering }

WHAT IS IEC? & WHAT IS BENEFIT TO PRODUCT FROM IEC?

2100


What is the unit of magnetic flux density?

1135


What is the largest application for surfactants?

1256


What is a turboprop engine?

1195


When was the first satellite of india, aryabhatta launched?

823


How to format a memory card by using memory card?

951


1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

2124


Enumerate the cause of pumps low delivery of water

1931


Explain operation of Haskel pump.

2111


What are the material used for inductance coil?

1115


How can check gear pitch?

1835


Can any body tell gulf interview question for experienced electrical engineer ?

2087


hi, please send me "state bank of india", last 5 years question paper with answers to my mail id.

2046


what is the diffrence between pressure safety valve & pressure relief valve....pls

2151


what is defferance between tubular & automotive plate battery

4005