(1) From the following option, which option is correct for largest size transformer.?
a)1KVA,25Hz , b)1KVA,50HZ , c)1KVA,60Hz , d)1KVA,100Hz
Answer Posted / amanmahajan2837
A)1kVA,25Hz
Transformer size is inversely propotional to frequency as we have to increase no of turns for low frequency to produce same impedance
| Is This Answer Correct ? | 16 Yes | 1 No |
Post New Answer View All Answers
What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?
How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?
WHAT IS counter flux IN CT?
What is the difference between multimeter
what is LSR?
raleigh method
Define sensitivity?
can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?
What is phenomenon of electromagnetic induction and how it works?
I want the details about BHEL company examination.Can anyone able to help me please.
why we have and use 3 phase not 2 or 4 or other in power system?
what is meant by 3rd hormonics ?
how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???
How can we increase fuel-power ratio of any DG set?
what is integrated ac contact circuit