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Engineering Interview Questions
Questions Answers Views Company eMail

what type of insulation is used for over head lines?

NTPC, WS,

4 6754

what is the operation of regulator in fan?

NTPC,

4 6661

what is the difference between 2phase & 3 phase?

NTPC,

1 5315

What pressure results for a flow transmitter of range 0- 180t/h in the dcs and 0-301mbar in the field using square root extraction. Kindly also suggest formulae for the percentages 0,25,50,75,100?

Kentz,

1545

How much Bentonite is required per Cubicmeter of pile for a cast insitu pile?

CCCL,

3 18627

WHAT IS THE DIFFERENCE B/W VERILOG AND VHDL

Infosys, TCS,

2 11516

what is Green field /brown field exposure in chemicals /oil /petrochemicals /refineries /paints /speciality chemicals /gas /FMCG /glass industry

 1 2672

what are types of encoder

 1435

what are types of servo motors

 1 2500

how dose servo motor works

 1493

how to calculate length of bar

 4 7298

What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)

 1474

what is the basic difference between synchronous motor,synchronous generator and induction motor

NHPC, NTPC, Sail,

7 18923

Which standard i will refer for size of earthing conductor for equipment? (Eg:415V Switchgear, MCC, DB shall be 50x6mm GI flat)

 1 4264

If the output of a 100kva, 415v generator is stepped up to 11kv with a 500kva transformer,can the transformer be Loaded above the source generator loading?

 2 3360

Un-Answered Questions { Engineering }

When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt

2441

Explain the operation of sequence control of ac voltage controller?

608

Define industrial textile?

1

I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

1262

primary treatment of sewagw consist of removal of floating materials removal of sand & grit removal of organic materials all above

1648




How many battery discharges?

1525

Define pcbs?

647

what is the work of commutator and brush in motor

1076

Explain what will be the responsibility of the spacecraft operations, dynamics and controls?

703

What are the three major categories of error?

678

what is booster? and how it is connected in a circuit?

2028

at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?

1666

If percentage elongation of a material is more than 200%, it is classed as ?

810

what is a half wave, full wave, and bridge rectifer.

1263

How will u plan a grounding network for a nw plant....

1447

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