What is instrumentation technologists and mechanics?
why banking
What is a copy constructor? What is the need for it?
What is rs.exe utility?
Explain transparent caching with aop?
Explain identity in sql server?
What is difference between .setinterval() and .delay() ?
How would you choose between a clustered and a non-clustered index?
How do I know if my hardware supports 64 bit?
Describe some of your most important career accomplishments
What is HBase HMaster?
what are advantages & dis-advantages of using AMDP?
How do I select all files in multiple folders?
What is the role of a limit in a mysql query?
Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............