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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How does an induction motor start?

Ericsson,

1280

What is the difference between a Root Locus plot and a Bode plot?

GE,

1338

What is DC series motor?

Ericsson,

1345

How is the speed of a DC shunt motor related to the armature current?

GE,

1236

What is the armature mmf in a D.C machine?

HPCL,

1292

fuel-air ratio in a petrol engine fitted with suction carburettor,operating with dirty air filter as compared to clean filter will be

NIC,

1118

For a stable system, where should the poles of a system be in a root loci plot?

GE,

1293

A logic circuit that provides a HIGH output if one input or the other input, but not both, is HIGH, is a(n)?

Ittiam Systems,

1294

Classify driling machines.

Essar,

1166

What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?

HPCL,

1167

A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.

TCS,

1123

Give some differences between open loop and closed loop?

Ericsson,

1167

What does Bode plot tell you?

Ericsson,

1471

What is the role of feedback in a closed loop control system?

GE,

1152

What is a DC series motor?

Ericsson,

1294


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

How DC earth leakage currents can be reduced ?

1969


1.what is the reason for transformer and lightning arrester blast in 33kv system

3153


What the main causes of transient interruptions on Over-Head Distribution Lines?

2204


i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

2210


how to calculate short circuit current for the busbar

1576


how hydrogen cooled alternator undergo maintanence ? that is hydrogen when come in contact with air can result into explosions .

1977


how current is reverse from its normal direction during the fault?

2517


what is mean by D.O. in distribution line poles?

1752


Give two basic speed control scheme of dc shunt motor?

1159


A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.

2664


How to determine alternating current frequency?

1201


What is voltage divider rule?

1241


what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

2130


Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

1990


I am inpecting a 10kVA UPS what tests should i do and should i observe?

2275