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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 11398

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

 5 6476

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

 2 4775

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

 3 4550

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

 1 3576

how is working the auto transformer?

 1 4276

how is working the APFC when varying the load?

 1 4854

what is static switch where it can be use?

1 2874

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

 3 9992

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

TATA,

3 6519

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

IOCL,

7 12364

What is the working principle of VFD

HCL,

3 18839

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

 3 12035

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 4823

how to calculate single phase motor efficiency ?

Bhel,

1513

Un-Answered Questions { Engineering }

What are the functions of temperature scanner in power transformer?

1632

usually hand broken stones are used for cement concrete 1:4:8 in foundation of single /two story houses with a view of economy in construction.what advantages it will give if you use machine crushed stone in place?

1695

what kind of technical test that i need to learn because i have an interview tomorrow.. please someone help me..

1490

write a c program to multi(*) of two matrix using pointers?

1399

What are the causes of turbine vibration

1474




what is the difference b/w "print" and "sprint" in sql?

1371

how to find the L shape surface of the moment of inertia and section modulus.

1681

how to calculate single phase motor efficiency ?

1513

exolain the star delta connection

2187

how control valve works? process line pressure is 50kg/cm2g and instrument air pressure is about 4 kg/cm2g.

1674

Client server applications

1167

we want to control pump in let pressure and tank (for exp) our inlet line if water cam and pump will on and when our tank will full pump will off also if our inlet pressure low pump will off even tank not full.this pump i want to uses on our water supply line.

1283

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

1481

draw the full wave and half wave circuit of 3 phase system and inverter circuit used in ups 

1917

What are the effects of carbon on the properties of steel?

624

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