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what will happen to the core losses if we perform the open ckt test on high voltage side of a transformer ?
2 4807What will happen if the interpoles in case of a generator have opposite polarities to that behind it in the direction of rotation ?
1 4297if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.
19791.what is difference between line,neutral and earth 2.IF single phase voltage is 230v ac and what should be the voltage between line to neutral,neutral to earth and earth to line
1 6237what is orfics working in main steam line. is it increase pressure, velocity of steam flow and dicrease steam flow rate. or any other
2193
I am working in a private software firm for past two years and now i want to switch to electronics company ... if they ask me ==>what I was doing for the past two years what would the appropriate answer to this ... please reply !
Enlist four components of electrive drives.
How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?
How to determine the breaking capacity such as break down current and break down voltage for VCB and CT's.
What are the demerits of passive filters?
What is the state if the RED LED is glowing on DVxx card What is the state if the YELLOW LED is glowing on DVxx card What is the state if the GREEN LED is glowing on DVxx card Which frequency band DVDC is used Which frequency band DVGA is used
On what cycle does thermal power plant operate?
What s gland sealing steam?
What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)
Why should pumping be not used in case of concreting work?
How do you ensure the structural integrity and safety of an aircraft during the design and manufacturing process?
What is dielectric loss?
When we use air circuit breaker, it has O/L protection ,time delay SC protection, Instataneous SC protection & ground fault protection. They all have some setting range. But what is the suitable/allowable setting for the above protection which will be safe for the equipment? For example-O/L protection setting have a range of (0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.8,0.9,1.0)xIn Time delay SC protection have a range of (1.25,1.5,2,3,4,6,8,10,12)xIn Time delay setting is 0.02,0.1,0.2,0.3,0.4 Instataneous setting is fixed to 20xIn Gound fault setting is given 100A,300A,600A,900A,1200A This setting are for 2500A ACB. So what will be the basic allowable setting for the above protection? is there any formulae to calculate this<
What is intrinsically safe system?
What are the applications of v-i and i-v converters?
