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

why we generate transmit and distribute electrical supply in multiple of 11

NHPC,

6 12152

why t/f are rated in kva. is it conserned with p.f.

3 5652

Why X'mer rating in kva only?

4 7246

Transformer/insulating oil tester(BDV tester)

1 4392

What is eddy current? Describe the operating principle of proximity probe.

2303

can u tell me what are the subjects involved in group I and II and how i prepare for the exam

1860

Hysteresis loss in a core is due to what reason or property of the material used for that core?

1 4601

Does the hysteresis loss is due to retentivity property of the material? or it is due to reluctance property?

2 5658

In 2 wire transmitter 1 wire is used for power and other is used for signal( 4-20)ma In 4 wire transmitter 2 wires are used for power and 2 wires are used for signal (4-20)ma . but my question is "what is the criteria or parameters we have to consider while selecting these transmitters for eg( distance, safety zones etc.

1 5435

In oil & gas industries and petrochemical industries, there are classification of zones like zone 0, zone 1, zone 2. Is there any differences in voltages or power supply supplied for the process instruments, control instruments depending on the zones

1 10444

For an Instrumentation Engineer, is there any effect on Instruments of safety zones like zone0, zone1, zone2. As an instrumentation Engineer, what we have to consider or remember while working in these areas.( zones 0,1,2).

1 4540

To become an Instrument DESIGN engineer, is there any softwares or training to become Instrument Design engineer, plz suggest me, Iam very much interested in designing.

3471

I want to measure and control level in tank of size 10*5 filled with gasoline, so plz give me the solution with clear details. how to select transmitter and sensors.

2230

how slip power recovery system work

Ambuja,

3027

Is there any other method of damping the oscillation in a synchronous motor other than using damper winding and if yes what is it?

IOCL,

2 5976

Un-Answered Questions { Engineering }

Explain Mashru.

What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?

1492

in shunt clippers why a resistor is used in sereis with the input

2098

any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

2284

Define gathers?

I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

1819

How do you classify shapers?

1087

What is the use of temperature compensation?

2009

Could you measure voltage in series?

1277

What are the necessary components of the feedback control system?

1225

What is rccs? What is its lifespan?

1047

What is servo motor and what are the applications of servo motor?

2703

why and how current drawn by battery charger depends upon the altitude where it is located?

2039

What is multiplexing?

1186

what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

2090

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