Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Satellite Systems Engineering (106)
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Engineering Interview Questions

Questions Answers Views Company eMail

corrosion of reinforcement bars due to chloride attack and its equation

2 8503

What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?

2293

what is the effect of power factor of machines in starting current

2073

How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

Apollo,

4068

Describe: Energy efficient motors

Reliance,

1 3696

How to size a transformer which will supply power to 550kW,690V motor starting with VFD?

1 4290

Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?

2212

Suppose a steel bar of cross sectional area A is subjected to load P at one end and 2P at the other end ,what will be the induced stress in the bar?

BARC,

5 11224

what is the diffrence between Torque and Power ( layman Idea)?

BARC,

2889

why petrol engines have more power than diesel engines of same capacity?

BARC, TCS,

27 33357

even though LPG is economical than petrol,why we are not promoting LPG usage?

BARC,

9 15181

what is unit Ps ?

BARC,

7 13768

why we express the unit of torque in Nm.even though it can be expressed as Joule ( J )?

BARC,

10 16649

TO operate transformers in parallel, vector symbol of the both should be same.If one transformer name plate is not there, how can we conclude that whether the transformer is having the same vector symbol or not?

4 7857

What is the maximum operative of Drive ?

Reddy Labs,

2 6393

Un-Answered Questions { Engineering }

how many types control panel of a 132/33 kv substation

2657

how you configure motorvision relay (L&T make)from DCS

4915

1.Fe500 and Fe550 having more yield strength than Fe415.But why are we prefering Fe415.? 2. d^2/162 formula for knowing the steel wt/m apply all these three? Thanks.

3320

what is the difference between oil surge relay and buchholz relay.

7057

write a programme to identify the biggest number from the given three numbers with out using of relational operators

1973

sir, i am 3 years diploma course pass out candidate.what type of certificate can i got in marine service.

1942

Tell me what is all over design?

Whether superheated steam can be treated like ideal gas ?

1130

What is absolute pressure? How absolute pressure is calculated?

1152

Define boning?

What are some facts about concrete?

1191

What experience have you had in working with field forces?

1942

A 100 kVA , 400 v/250 kv testing transformer has 8% leakage reactance and resistance on 100 KVA base . A cable has to be tested at 500 kv using the above transformer as a resonant transformer at 50 hz . if the charging current of the cable at 500 kv is 0.4 A find the series inductance required . Assume 2% resistance for the inductor to be used and the connecting leads . Neglect dielectric loss of hte cable . what will be the input voltage to the transformer ?

5297

What is quicklime and what are the uses?

1230

What are the dimensionless parameters used in forced convection?

1116

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