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

Why does a fractionating column does not catch fire even though it operates at temperature greater than 400 degree C ?

ONGC,

5 13450

what is Real power and Reactive power ? what is difference between them ?

5 8564

why DC motor body is plain cover but AC motor is different like finse?

2 5844

how will be power factor while using the resistive load and Capacitive load?

3 5701

what is ups Paralleling? how is load sharing at that time ? what are the things we have to note that time?

1 4320

how is working the auto transformer?

1 4945

how is working the APFC when varying the load?

1 5603

what is static switch where it can be use?

1 3801

what is the cable size we can use for 11kv and 33kv ?

3 11542

What is rotating transformer? Which machine is used specifically as rotating transformer?

TATA,

3 7709

If the damper winding on the rotor of a synchronous motor is removed after starting what will happen?

IOCL,

7 14326

What is the working principle of VFD

HCL,

3 20047

Difference between DOL starter & star Delta Starter? And where the Dol starter used upto how much HP and whereas Star Delta vice versa?

3 13387

How to take vector group test of a transformer? Suppose we dont know the vector group of transformer, how to check its vector group through test? I have 3 transformer DYn11 & DYno& Ynd11, how to confirm its vector group?

1 5684

how to calculate single phase motor efficiency ?

Bhel,

2207

Un-Answered Questions { Engineering }

What are the different types of modulus involved in mechanics?

1268

Discuss principles of quality control.

What is the internal structure of op-amp and explain each block in brief?

1037

why i can not use thimble on capacitor duty contactor

1358

How would you calculate power loss in a resistor?

1073

What is instrumentation measurement?

1112

Explain the working of an enraf level gauge.

1101

processor of my PC is pentium dual core.. i want to know the configuration of my PC... pls send answer as soon as possible.

1902

What are the features of instrumentation amplifier?

1195

i want questions only on code part like general logics in c and java

1840

What are the advantages of sequence control of ac voltage regulators?

1132

flow chart to convert binary number into decimal

1851

Define angular acceleration?

1219

What are the major reasons for balancing hydro-thermal mix?

1137

What would you do if your captain is not following the instructions properly?

1136

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