Electrical Engineering Interview Questions
Questions Answers Views Company eMail

define superposition theorem thevnin theorem ,norton theorom?

1897

difference between semiconductor & conductor & insulator?

1981

what is bjt & mosfet? what is rectifier & diode?

1 4397

how to calculate the starting current of a motor? gopal

JIPT,

3 5607

how to determine the inrush current of a transformer

2187

How to calculate the current in DG What are the type of power pls explain with related formulas

Corona Enterprises, Sodexo,

1 5944

Electrical breakdown strength of an insulating material depends on............?why because?

2 5433

how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.

ASM,

2125

what is the difference between earthing and grounding of electric circuits

HCL, Turbo,

5 11790

explain working principle of earth leakage relay

Divis Laboratories, SMIORE,

3176

What is the definition of ohms law?

AZ Engineering, Ecil,

7 9467

Is motorized MCCB required rotatory handle

1 3862

I have motor of 3 H.P. How i found the rating of capacitor use in it in single phase motor..???

2239

What is burden of ct,explain very simple

KSEB,

2 7213

What is Automatic interlocking circuit dighram between two contactor for DG SET panel.

1 4269


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Un-Answered Questions { Electrical Engineering }

what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

1733


hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

1550


Which of the following alternatives will be cheaper (1) A 100 h.p AC, 3-phase motor (2) Four motors of 25 h.p each (3) Five motors of 20 h.p each (4) 10 motors of 10 h.p each explain

2608


what is meaning of sympathetic tripping with respect to relays and give the values for current carrying capacities for copper and aluminium cables from 16sq mm to 500sq mm

4476


What is the formuala to calculate the rating of motor protection circuit breaker

1810






what is the function of bearing in dc mchine" and where it is placed

2169


A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

2328


I want to know how to calculate the size of electricity cable in building?

1627


what is the main function of capacitors in mccs.

1345


how did the testing of protection relays done through current injection

1705


What are the two major types of control system?

734


any idea abt REVERSE METERING concept.........?

1837


what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?

2008


A d.c. Shunt motor is found suitable to drive fans because they require?

844


we have provided 30 nos. relay contacts in panel.I want to know how do we do the numbering for the relay contacts as per any applicable standards

1630