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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??
GATE,
1 2877what is an isolation transformer??? what is its purpose??? what happens if it is not used where it should be used?????
2 5212how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???
2178How seriving & testing of the HT & LT breakers are done. What are the standard Ir values on which we can come to know the test is passed or failed?
2044what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.
ME,
2335a 120 60 watt incandescent lamp has to be operated from 50 c/sec 1 phase ac supply. in order to do this a circuit element has to be connect in series with the lamp. which one of the following sries element is preferable.
SSC,
1 3964Post New Electrical Engineering Questions
There are Two questions about Steam Turbine Generator... What is HRSG bypass of LP, HP used for in power generation? In particualar, in the event that fault of HP bypass, there would be STG TRIP in operation but none on the LP bypass fault...what's the reason ?
WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....
Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry
What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer
What must be the minimum distance maintained between 2 Generators as per International standards?
where can the transformer having vector group Yny0 be used??
which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.
what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?
Why is back emf used for a DC motor? Highlight its significance.
Is it possible to measure the voltage of a battery from a single terminal?
Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?
th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.
How many gap between finger contact in a.c.b. and v.cb.?
What happen Grid EARTH plat got cut.
