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

sir, i want to know the calculation for find rated current for cable sizes.(both copper & aluminium) with examole. please sir for example: 35sq.mm al.cable is withstands for how many amps? is suitable for 45kw motor?

L&T,

5 12848

how to measure level under ground tank ? which type of transmitter very accuracy ?

Biocon,

3 9137

what can be the causes of capacitor start motor having a higher current that its actual

1970

how current flow found at one and of generator ,at star neutral point each phase.

Neptune,

2160

rate analysis hiring of generator 62.5 KVA

2222

How to calculate per unit impedance of transformer?

2206

Why the output of generator varies eventhough the shaft speed is constant in thermal power plant?

5 7364

what is meant by phase transformation ratio in induction motors?

2 15244

What is more sutable study for mechanical engg. Practical or Theoritical

6 7148

why generator one end side star neutral point given? if this point not given what happen?

1 4073

what happen if turbine trip ,g.c.b not open and excitation on condition?

1 5218

what is the jacking oil pressure of each bearing of steam turbine?

2 9790

Zener diode is invariably used with

2 7280

what happen if steam turbine trip,g.c.b not open and excitation off and on condition?

1 4300

Video signal is composed of Camera signal carrying? Information,Receive or Picture information?

1 3253

Un-Answered Questions { Engineering }

What safety precaution are to be taken for avoiding electric hazards ?

1868

Explain the difference between power amplifier and voltage amplifier?

995

i have applied for junior engg. signal II please send me questions papers for it

1924

A sieve analysis results in 100% retained in no. 50 Sieve, the fm is?

1253

what is fixed bearing?

2142

Explain capacitance?

1057

I am importing dc-dc converters from singapore to india. how much tax will be applicable towards Custom duty.and the rates of the custom duty.

2167

why is a two-input nand gate called universal gate?

1046

2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?

2017

ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

2024

How the shockwave produced in aerofoil,and actually what happen that region?

1161

What is Scheme Test of High Voltage Switchgear. Which tests it includes.

2427

Can anybody help by describing each and every step in short, used while giving a building layout by total station? Regards

2029

can u plz send me ntpc placement papers(civil engineering) at mohit_verma21@yahoo.com

2512

What is the difference between synchronous and asynchronous counters?

1091

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