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 Company >> ABB >> Technical Test Questions ABB Technical Test Questions by Category - - - - Select Category - - - -Software >> Operating Systems >> Data Structures (1)Engineering >> Civil Engineering (2)Engineering >> Mechanical Engineering (2)Engineering >> Electrical Engineering (53)Engineering >> Electronics Communications (3)Engineering >> Instrumentation (6)

What is different between hypo test and megger test    1  418
for a machine R=130 KVA Y=132 KVA B=144 KVA Then what will be the total kva    1  401
what is the difference between Current transformer & Capacitive voltage transformer    2  527
why elcb used in circuit    2  421
how capacitor control the power factor/ Apollo  2  876
ful form of gis    2  515
How can calculate thermal overload in relay?    1  697
is earthing is necessary if we use armoured cable Siemens Schwing Stetter India Pvt Ltd  1  768
Who we calculate the generator NGR resistant, generator voltage 11 KV ?    2  945
Hello friends., my question is related to testing of current transformer... A Ct having knee point voltage of 750 volts., and I have two step up transformer's of rating 230 v to 440 volts., can I obtain the value of 750 volts by using the two transformer's.... If yes then how could I connect the transformer's to obtain knee point voltage?? thank you in advance    1  556
why transformer rating is in KVA? ABB  4  964
what is CFC logic in communication system? where do we require this for protection system    2  778
can we use only a isolator in the subtation..    1  483
What is d role of reactive power in power system??How it produce & consume?    5  786
what is the function of 1 phase preventer?    2  1502