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

what is the purpose of wear rings in centrifugal pumps ?

Gulf Spic, TCS,

5 51776

What is the diff. between single compression and double compression gland

ASL,

1997

what is the importance of fault level in power system and how is it decided

2 10888

What is annunciator ?

1 4146

why are you use the crgo core lamination in transformer

6 9802

what is the advantage of submersible level transmitter compare to ultrasonic level transmitter?

2074

what is the logic circuit of 8:3 encoder and 3:8 decoder?

2 9591

IN 6.6KV 3 phase switch gear .i will give 6.6kv to R phase only to earth in during H.v testing (through H.v KIT).what happen remaining phases.how much voltage get remaining phases.why? explain.

1 5315

in HVAC how does the chiller functioned .. and what is the chiller cyclic process

2127

how calculate the ms angle weight formula detail

Concor, Puravankara,

9 76997

sir i am pradeep singh from electrical branch and i want to place in software industry(tcs)but i dont know much about programmig languages like c c++.so how can i get a placement in software industry?

TCS,

1 4052

Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar

1901

It is desired to reduce effect of 50Hz pick up in a thermocouple measurement. If a third order LP filter is used for this, what should be its cut off frequency, if gain should be 0.001 at 50Hz.

Honeywell,

1 3910

What is sensitivity of K type thermocouple? Is polarity important in thermocouple connections?

Honeywell,

3 10619

How can one improve linearity of an RTD based temperature measurement system?

Honeywell,

2 7524

Un-Answered Questions { Engineering }

Discuss Letter of credit.

what is c dot

1906

what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

8616

What are the two modes of mosfet?

1192

What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?

1555

size of condotory fron voltage level

2216

how can we make cable shedule for controll wiring ? which details must be required for it.?

2142

sir i want polytechnic lecturers model papers plzzzzzzzzz send me my mail id: manisri.bobbala@gmail.com

2646

how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)

1983

If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

2098

state types of reflectors in illumination engg. ???????

1937

How to calculate unit weight of concrete for m40 grade.

4006

What is meant by positive converter group in a cyclo-converter?

1227

Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??

1700

Define clean finish?

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