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

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 3081

what is negative phase sequence

1 2966

in ups how we can calculate the battery back up time

1 3879

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 4528

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?

1896

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

MRF,

2316

why unix commands simpler rather than complex task

2913

In Which vector group power transformers are mostly manufactured?

MRF,

1 4324

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 5797

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,

2234

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 16758

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

1786

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 6421

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

2077

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

4 6616

Un-Answered Questions { Engineering }

draw the restricted earth fault protection circuit install on power transformer and identify its parameters and draw C/C curve of it

2733

What are the different documents needed for shipment of goods? Explain.

What are the types of sensors and their explanation?

1108

What is “pu” in ee?

1104

What is pitching in the suspension system?

1322

why the pic micro controller have internal eeprom?But in 8051 have only rom and ram.

2902

define digital electronic

2000

How much does the leaning tower of pisa lean?

1143

working of diesel generator ?

1855

What would you do if your captain is not following the instructions properly?

1151

how to calculate micom relay earth falt time and current sertting

2518

What is George phenomena to start the synchronus machine?

4163

show answer/ calculate-1-2-4 ratio-concrete -cement-sand- metal-water - please brief calculation

2181

where are following valves are applicable to install. can any valve be installed any line. globe valve butterfly valve boll valve gate valve

1780

What is the trunk type and crosshead type piston

2396

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