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 cascade loop and how it work and why it used instead of PID single loop? In cascade, Which loop is faster and slower? Please explain with loop drawing and example...

Honeywell,

2 15234

how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)

Honeywell,

2646

define feed forward control loop with example and drawing?

Honeywell,

3173

tell me about xlpe cable?

IOCL,

1 4368

Can we achieve condenser vaccume more than 1 bar?

1 3717

why we open open condenser vacume early when the unit get balck?

1929

Whether the over frequency protection is turbine or alternator and why?

Marg,

1 3623

what is the difference between ceiling fan and wall mounteed fan technically

3 8468

Calculation of Pier Cap with tapper area?

6294

Can anyone explain the power flow in flouresent lamps (tube lights) .What are the functions of Starter & choke used there?

1 3940

why we use star and delta connection?why we donot give the supply directly?

Hitech, Siemens, Tata Steel Limited,

12 58840

WHAT HAPPENS IF STARTER OF A FLUROSCENT LAMP IS SHORT CIRCUITED AND WE PUT THE SUPPLY ON?

1 4207

corona happens more in summer or winter?

MAHINDRA,

3 7045

What phase difference between p and s winding of transformer

MAHINDRA,

1 5369

the rating of fuse wire i always expressed in what?

3 16181

Un-Answered Questions { Engineering }

Please tell me details about Sox,Nox,SWAS analyser????

3694

If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.

1042

explain all the classes with example

1913

Difine the process you would establish to monitor the effectiveness of an emergency evacuation system

2444

What are the defects in exhaust valve?

2136

How to calculate concret slab? W l t(4mts*5*2fts) ratio m25 grade pls tell me procedure

2200

What is the ratio of true power to apparent power in an ac circuit?

1105

What are operating procudures & Safety precautions to be observed while operating OLTC in manual mode ?

1904

1)what to do in emergency situation of having total blackout (on a ship) 2)what to do in emergency situation of flooding in the engine room 3)under what conditions would engine room bilges be pumped overboard? 4)why is high pressure required for the injection of fuel into the cylinder of diesel engine. 5)why is doubled walled pipes employed for high pressure fuel lines? 6)reasons for overheating of main engine 7)how to detect choked fuel valve,leaky piston rings and their remedies during operation in diesel engine? 8)effects of insufficient or excessive cylinder lubrication? 9)causes of a diesel engine piston overheating.

3641

What are the advantages of building a dam on the river nile?

1087

what is a vortex flow meter,mass flow meter and electromagnetic flow meter.particular use of this.means in which condition particular meter is used.

2197

How do you approach troubleshooting and resolving technical issues that arise during the testing or operational phase of an aircraft?

747

What is standard of DCS panel design?and what is step of DCS panel design?wiring and type of connector(screw or DB connector)

2075

From where compressor recive power in automobile?

3530

Sir, I was recently placed at ITC Infotect. My ctc is 2.46lpa. How much will I get in hand every month? Plssss answer. Thanx in advance.

2575

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