in 4 pole lap wound dc motor one brush is disconnected then what result in new voltage if its voltage is v volts power is p watts current is i amp1 2916
For fixed primary voltage how does secondary terminal voltage of a transformer change if the pf of inductive load is raised from 0.7 to 0.9 with load current remaining fixed ?1 4183
what happens when ac supply is given to the dc motor and dc supply is given to the ac motor?1 3563
in india are trains run by DC or AC? if DC , from where it receives negative potential? because pentograph receives singe potential only?2 4007
Why iron core losses are constant at all loads in a transformer ?1 11193
when a pure dc signal is sent through a moving iron meter, what will it read?? dc or rms?? when a variable dc signal is sent through a moving iron meter, what will it read?? dc or rms??1 2035
what is the calculation of power factor?4 3146
i am appearing in railway section engg. exam of chemical eng. therefore i want previous papers and study material of chemical eng.
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I HAVE AN INTERVIEW IN A SOFTWARE COMPANY FOR THE POST OF FUNCTIONAL TEST ENGINEER. THEY WANT THE PERSON FROM BCOM BACK GROUND( I AM A BCOME GRADUATE 2006) AND THE PERSON SHOULD HAVE GOOD ACCOUNTS KNOWLEDGE. NOW I WANT TO KNOW WHAT KINDS OF QUESTIONS THEY CAN ASK OR CAN GIVE IN WRITTEN TEST. I M NERVOUS COZ ITS BEEN 5 YEARS I HAVE DONE BCOM. SO HOW SHUD I PREPARE FOR INTERVIEW.PLEASE HELP? reply me pls. its urgent. thanks
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