In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above

2022

Why Neutral Isolation is required?

2192

what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?

4000

Plz tell me how we can find that particular company has vacancy or not

2241

What is systematic error?

1329

which types of relay used in acb and vcb?

2702

7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

2235

Electronic circuit

997

State ohm’s law?

1066

What are conduct on the testing in cf in ur site?

1625

How to calculate the phase to phase clearness of HT /// LT bus bar?????

2043

What is the important precuations need tocarried out while working with Electrolite in Battery PM?

1864

what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

2009

How to calculate the value of earth capacitance in a transmission line.

2315

What is difference between start imitation and start interlock for 3 phase motor protection ?

2224