What is the difference in Cement content for M-20 Concrete if y ou use OPC & PPC? What is the difference in the Curing Period?2 4295
what is SPLICES & where it is used?????????????3 3782
what is mathematical relation between ac to dc current how will convert Iac=50amp to Idc7 18116
why we use 4-20 mA for calibration of the instruments.why we cant use 0-20 mA?4 6080
What is mean by vector group? For what purposes we doing vector group test in transformers?2 3455
whow we find out dc motor field aur armature resistance1 1979
how many types erthig6 3227
why oil lift in screw chiller during change of climate.724
why we do not megger to motor under system is very high vaccum condition. and what is the tempreture of vaccum conditon516
How much KVAr bank reqired for 630 KVA transformer on full load for maintain power factor upto.994 7652
what its mean 'inverter based technology' ? if we talk about refrigerators, splits ACs etc how it helps to produce & keep more coolness and chilled atmosphere ?
Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..
How To Servers For Malitnationl Bank?
For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?
In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?
In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.
Need help in designing a degasser tower for 2m3/hr DM plant, also send me the formulae used
What is Difference between Bench Set & Operating Range of Control Valve?
how can see the ac indoor or out door ac which Tr
what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded
what heppend if we are connected u1-v1-w1 as a star point in the place of u2-v2-w2 in power genration
I want previous rrb enteranse exam papers in section engineer. please send that papers to my id email@example.com
What is EMUA? What is its function?
how much repeitation for conventional and maivan formwork?