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please answer the following question: A table contains the monthly sales data for the 12 months of a year and for the 4 sales zones where each zone has 8 districts.The table is defined in WORKING-STORAGE SECTION.What is the size of the defined table in number of bytes? write statements to calculate the total sales for each month.
1969When we change the tap position of 10MVA transformer it suddenly tripped with Out of step indication and also with Static differential relay indication, Transformer Bucholz relay indn and Low oil level indication. Before 1 week the same problem occured by changing the tap position. but at that time only oltc bucholz relay activated. After testing the TxR Relay team & PET team cant find any solid reason. The values are ok also. So plz answer wat's the reason for this incident? anybody plz help.
3 7368There is 3phase power cable from 1 point to the other point which is 100m away. Two point equipped with power meter and recorded 1st point is 205kW while the 2nd is 202kW and each phase average carry 400amps. To calculate the resistance of the 3phase power cable, is the formula using will be P=I2R?
3 5085how to calculate a id fan capacity and sutable motor in kw's.i have a fan impeller dia is 1050mm, width is 105mm in impeller inside to inside,and impeller section cone gap is 450mm, impeller plate thick is 5mm,what is the sutable motor and how cen i calculate the fan capacity, tell me the calculations with Exa also.
1 51400what is the factor of safety for cement and steel with reference to IS 456-2000. and min reinforcement should be provided for column and slab with reference to IS 456-2000.
5 39467please send me last year question for executive tranees in ntpc on my email ID rajthakur2091@gmail.com
NTPC,
2169
please provide me the calculation for the thickness of duplex stainless steel pipeline thickness used in process industry ( Water). The details are given below. Diameter : 3" and 4" Thickness : 3.91mm, SCH40 Operating pressure : 62 bar Operating Temp : 35 degree ASME31.3
Tell me any four vegetable fibers?
How 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?
What are the different power system losses and how can it be eliminated?
what metal cord transfers electricity?
what heppend if we are connected u1-v1-w1 as a star point in the place of u2-v2-w2 in power genration
i am preparing for vsp management trainee technical 2010.can any one send me modelpapers of preliminary written test.
What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?
why we use the 100% and 95% stator earth fault protection for the synchronus generator ?
what is the voltage between earth & neutral in 3 phase electrical connection.
brief notes on ammeters
WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?
how can I pass ccna in first try in one month
1)what to do in emergency situation of having total blackout (on a ship) 2)what to do in emergency situation of flooding in the engine room 3)under what conditions would engine room bilges be pumped overboard? 4)why is high pressure required for the injection of fuel into the cylinder of diesel engine. 5)why is doubled walled pipes employed for high pressure fuel lines? 6)reasons for overheating of main engine 7)how to detect choked fuel valve,leaky piston rings and their remedies during operation in diesel engine? 8)effects of insufficient or excessive cylinder lubrication? 9)causes of a diesel engine piston overheating.
what is the difference between oil surge relay and buchholz relay.
