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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

if we have 380 KVA DG. how to calculate Power Factor. With detailed formula

1 4897

why ht11kv supply needs discharging during shut down time

1 2793

what are the advantage of UG cables over the over head lines

DVC,

2 4062

What is corona? and what is the purpose of corona belt in substation ? why they connect these end of the buses ?

2 5343

What are the difference between CT/PT operated Meter and RRAMR Meter for HT/LT application?

ABC, ACB,

1716

why rating of generator is kva but motor is kw ?

4 10781

how to identify small motor and generator?

1 3116

what safety use in electrical panel

3 4978

What is class X ct? What rare its uses?

2 5039

1.What do you mean by inductive and capacitive parts of an electric circuit. 2.What do you mean by decrease of inductane and capacitance of a network? Please dont give me the text book answer.3. What is class X ct and its applications?

2 3216

list the type of vfd? wich is sutable for heating kiln?

AluChem,

1425

How to calculate & connection of 900KVA generator 2 sets & load(1500A)? How to choose cable size and ACB size for this load & generator? please explain me detail. Regards, Mr.Han

Powermec, TATA,

3 8793

working principle of AC Servo Motor with its construction

TATA,

8130

what is IP65 & What is its advantages

1 3744

how to reduce the transformer size in ups ?

2 4095


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

which type of motor is used in automatic swing gate

1365


1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

1356


why does rotor rotets?

1840


how to calculate compresor capacity?

1493


define the non synchoronism of synchoronous machine in general g or m??

1311






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

500


Draw the DOL starter and star delta starter drawing?

2331


WHY L-G FAULT IS MORE SEVERE IN TERMS OF RRRV?

2450


Hoe do calculate the Cable size for Amps rating ?

1518


How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?

1715


Define cut-off rate?

462


what happen ehen synchronisation is done at below rated speed

1408


What is Primary And Secondary Injection Test of Relay and Other Electrical Devices. How IT is carried out.

2838


Why power factor should not be in leading (capacitive) mode of any load.

5407


BSNL TTA EXAM QUESTION

1550