Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to Calculate the Fault Level of Electrical Installation

993

In a 11000/440 V transformer, when any one phase of 11 KV supply fails (ie., single phasing), what happens to the secondary voltage and why?

14231

Why HT motor of 3.3 kw or 6.6 KV, one side foundation ( mostly non drive end ) keep insulated from ground ?

2200

1KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason

24429

what is the difference in inductance and resistance.both oppose the flow of current but how.resistance having + ve power in both cycle while inductance having both power.

13670

why it is important to earth neutral of 3 phase transformer?

11200

From, which load current range ( upper - lower limit current)can Air circuit breaker used for in electrical circuit.

ABC,

4206

what is the difference between the HT Cable and LT Cable ?

117119

seromechanism

Bhel,

4063

ward lconard control

Bhel,

4888

percetans

Bhel,

963

bitumar

Bhel,

788

opkinson's test

Bhel,

1253

hopkinson's test

Bhel, NTPC,

32289

suri transmission

Bhel,

3243

Un-Answered Questions { Electrical Engineering }

How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon

847

is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

223

Why we cant store an ac power. If we coo store in which device we can?

899

what is vA rating and class of a ct.

674

The simple way of finding the leakage quantity and % in compressed air distribution system

455

How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?

1371

What happen if 200 KVAR capacitor connected to power continuesly?

884

i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

957

1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

794

what is d check in dg 1500kva

807

WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?

1225

Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m

1336

How to check the LM324 Ic

6346

static chagre

833

which is the best institute for PLC,SCADA,DCS in hyderabad

1091