Explain What will happen when direction of field current is changed (i.e, field excitation is reversed) in the following machines? 1) Alternator 2) Synchronous Motor 3) D.C Generator ( Shunt or Seies ) 4) D.C Motor ( Shunt or Seies )
3 18120can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)
1931what is the meaning of Ring Mean Unit in a substation or trasformer also tell me its oerpuse?
4 51035Post New NTPC Electrical Engineering Interview Questions
How do you update windows?
What is Split-Join?
How to get the current time in python?
how to size an expansion tank in chiller system ?
1) There is a circular pizza with negligible thickness that is cut into 'x' pieces by 4 straight line cuts. What is the maximum and minimum value of 'x' respectively 2)A ship leaves on a long voyage. When it is 18 miles from the shore, a seaplane, whose speed is 10 times that of the ship is sent to deliver mail. How far from the shore does the seaplane catch upon with the ship? 3) If the distance traveled (s) in time (t) by a particle is given by the formula s = 1+ 2t+3t2+4t3, then what is the distance traveled in the 4th second of its motion? 4)3 men finish painting a wall in 8 days. Four boys do the same job in 7 days. In how many days will 2 men and 2 boys working together paint two such walls of the same size?
Difference between hbase and rdbms?
what are the logging methods provided by logger class?
What are the features of hibernate?
What is the composition of cast grade iron 35?
What syntax is used to check whether solr is currently running or not?
what is hints in cognos and where we use it.
What is exchange? What is the use of exchange?
Which are default master pages in sharepoint 2010?
List different ways of empty an array in javascript?
Why the Family Owned Companys' Does not Understand & not giving IMPORTANCE for Human Resource Department in their Business ?