Monday, 11 June 2012

Electrical & Electronics Engineering(EEE) Interview Questions

A wiper is the sliding contact in a A. switch B. photoconductive cell C. thermistor D. potentiometer?
Why is the starting current high in a DC motor?
what is meant by insulation voltage in cables? explain it?
What is the difference between MCB & MCCB, Where it can be used?
In a Y-connected circuit, the magnitude of each line current is A. one-third the phase current B. three times the corresponding phase current C. equal to the corresponding phase current D. zero?
An ammeter is an electrical instrument used to measure A. current B. voltage C. resistance D. none of the above?
In a certain five-step R/2R ladder network, the smallest resistor value is 1 k. The largest value is A. indeterminable B. 2 k C. 10 k D. 20 k?
A red, red, orange, gold resistor has a nominal value of A. 22,000 B. 2,200 C. 22 D. 2.2?
What are the advantages of star-delta starter with induction motor?
Why series motor cannot be started on no-load?
What is the difference between Isolator annd Circuit Breaker?
A material that does not allow current under normal conditions is a(n) A. insulator B. conductor C. semiconductor D. valence?
When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is A. overheatedB. shorted C. openD. reversed?
 How are power factor correction capacitors available?
Why Delta Star Transformers are used for Lighting Loads?
Capacitor is load free component but why ampere meter shows current when capacitor bank breaker close?
Difference between megger and earth tester?
What is inrush current?
Why is Flow measure in Square-root?
Why is Flow measure in Square-root?
What is the difference between delta-delta, delta-star transformer?
A 3.3 k resistor dissipates 0.25 W. The current is A. 8.7 mA B. 87 mA C. 8.7 ?A D. 8.7 A?
In a Tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?
The induced voltage across a stationary conductor in a stationary magnetic field is A. zero B. reversed in polarity C. increased D. decreased?
In a certain series resonant circuit, VC = 125 V, VL = 125 V, and VR = 40 V. The value of the source voltage is A. 125 V B. 250 V C. 290 V D. 40 V?
A 10 resistor, a 90 mH coil, and a 0.015 F capacitor are in series across an ac source. The impedance magnitude at 1,200 Hz below fr is A. 1,616 B. 161 C. 3,387 D. 1,771?
what are the different methods of power quality improvement in power system?
If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage A. remains unchanged B. reverses polarity C. increases D. decreases?
In a certain Y-Y system, the source phase currents each have a magnitude of 9 A. The magnitude of each load current for a balanced load condition is A. 3 A B. 6 A C. 9 A D. 27 A?
The Thevenin equivalent voltage is A. equal to the source voltage B. the same as the load voltage C. the open circuit voltage D. none of the above?