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Electrical Engineering Interview Questions
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How to Make relay co ordination chart for a Electrical power distribution of a plant

 3323

sir please tel me how calucalte kwh if home taken load 30ams how maney kwh taken per day.and 3phase motor 5hp per hars how maney load teken and how mach kwh and forward me to electrical table for calicalte kwh and kvr and kvah

 1 3368

how to calculate the current if i know power in MW and voltage 11kv/415v and also want to know that incoming cables for trnsformer

Daikin, KOC, Reliance,

6 44708

How to calculate unit consumption on the basis of load. kWH=kwXhrs.is it correct? kw is motor load.What is unit consumption at 100% load, 50% load & on no load.

GIL,

6 53154

How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

Grasim,

2362

Selection criteria for Vector group in power / distribution transformer.

ABC,

1 7697

If load is 240 kw & pf is 0.8 lagging, than how to increase it from0.8 to 1.0(unit),which rating capacitor used, please give me Calculation. What is effact of consumer & suplier if pf is lagging or leading with on effect machines/ TF/GE etc.

L&T,

6 10813

what is the different between DC & AC load Line.

Emarat,

1 6041

tell me about vfd

 8 10498

Suppose am having the PF value .8, so how can we say that is it lagging or leading?

Bhel,

11 12622

how to calculate the multiplication factor in HT incomer trivector meters

Dalkia, Getco, Gujarat Energy Transmission Corporation Limited GETCO,

9 70246

HOW DO I CALCULATE OVER LOAD RELAY & CONTACTOR IN DOL STARTER? & in dol why it is require circuit breaker?

DLF,

6 20214

What is rms value wher it is used??????????

 1 4207

How do you reverse the direction of rotation of a FAN?

CPCL, IOCL,

13 50929

how can we rotate a single phase motor (without cap.)in reverse direction?

 2 4382

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Un-Answered Questions { Electrical Engineering }

How Diesel Generator start ?

1963

What is a commutator?

654

Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz

3295

If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

1498

what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated

1555




can any one tell in easy method for circulating current ??

1682

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

1624

what is the thumb rule for determination resistance of resistor?

1847

Two electric lamps 40 W, 220 V each are connected in series across 220 V. What is the power consumed by the connection?

1000

What are the effects of electrical faults?

640

why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?

1739

details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?

1494

Explain and give examples about VCB?

2925

what is errection pcbs?

1545

what's the exact magnitude of current, flows through Neutral?

1583

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