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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to find out speed of single phase motor

BARC,

6 8533

Why two nos. un-tensioned wires are placed inside the PSC poles used by powergrid in RGGVY works.

Bhel, Power Grid,

2 6733

how much winding resistance of 0.75kw to 12.5kw 3ph sqwiralcage induction motor?

2932

what is the minning of propotional, integral, derivative ?

1 3370

i work as a technician at a private company.. i used to take amp reading for certain appliances such as air con.. the problem is when i clamp the neutral, wire there is a current reading.. from my understanding for single phase system neutral should not have current unless if the circuit is not complete.. yet the air con still work

3 5637

what will be the effect on a bulb in case its connetion is change from live and neutral to live and ground??? 1) in case of single phase AC supply 2) in case of DC supply.......???

1 4117

what will happen when excitation of a synchronous machine is suddenly reduce to zero when it is running at full load..??

7 30550

Why a transformer is known as a static device?

7 28666

the current which flows during lightening is ac or dc,,,,,,,,,,, WHY

6 10183

in thermal power plant the steam produced is made to cool after falling on the turbine blades. my question is why this is done while the same is needed to heat up again. "jab pani ko wapis garam hi karna hai to thanda kyu karte hai"

Bhel,

11 17697

When Neutral exceeds or equals the phase current in both single phase * three phase system?

1 4031

how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?

3210

We are having Chemical earthing pit the voltage between neutral to earth showing 22V how to solve that

4 7492

how much watts are equal to one unit of energy meter?

9 72615

if transmission voltage expressed as the multipple of form factor(1.11)........11,33,66,220 etc......then why madakkathara substation(kerala) voltage is 400kv..not 440.....?

KSEB,

2 7430


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.

1893


What is the use of bundle conductors?

1122


i have a 1500kVA transformer what is the kWH meter i need to use?

1736


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

2553


what is a power factor?

1771


raleigh method

2041


why in a swquence network representation, the negetive sequence generated voltage is taken as zero?

1971


Between educational qualification and practical work experience, give us a brief explanation on your practical experience in your past Endeavour that you performed well to the satisfaction of your past or present employer?

2217


how diside ct mf exmp.200/5 ct

2146


3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

1912


How to calculate energy stored in a capacitance

1123


Why do you have to use Protecion relay with the function MTB ( Mechanical Trip Button ) for electrical system.

2157


what is invertor supply and raw powersupply

2057


HOW TO TEST A LIGHTENING ARREST ER ?

2170


Pl.brief me about Electrical power distribution system from Main generating station to Industry.What is the use of in between station.

2044