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In scott connected transformer number of turns in the primary winding of teaser transformer is % of number of primary turns of main transformer A 86.6 B 57.7 C 14.4 D 33.3
1 5438The mechanical angle is electrical angle A always less than B greater than or equal to C equal to D less than or eaual to
1 4158In winding design, the angle of chording (β) is nearly equal to A 45 degree B 60 degree C 30 degree D 90 degree
1 7418Squirrel cage induction motor has constant A slip B stator current C rotor resistance D speed at all load
1 3295in 33/11kv stepdown transfomer, transformer will stepdown to 11kv & remaining 22kv where it will go..
3 6315what is the difference between single core,three core,three and half core and four core, and where it can be used ,
1 3586which of the following loss varies with the load a)hystresis loss b)eddy current loss c)copper loss d)core loss
2 5189Frequency of rotor emf in induction motor is around A same as stator frequency B 50% C 5 % or below D 30%
Bhel,
1 4499Frequency of rotor emf in induction motor is around A same as stator frequency B 50% C 5 % or below D 30%
1 2797Slip at maximum torque depends on A rotor resistance and reactance B stator reactance C load current D stator resistance
1 2671Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m
5262Induction generator has = A negative speed B negative slip C negative voltage D negative current
2 4012Magnetizing current for induction motor compared to transformer is= A equal B more C less D depends on load
1 3070Stator core loss of squirrel cage induction motor compared to rotor core loss is= A equal B more C less D depends on load
2 4595Post New Electrical Engineering Questions
what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com
how to control dc motor?
State nyquist stability criterion.
There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.
How are load losses and no-load losses measured at site in a DG set?
What is the unit of magnetic flux density?
How to address the servo drive for motor
Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?
Can anybody inform me about the pattern of ECIL GET( Graduate Engineers Trainee) interview for Electrical students? Will there be HR round as well? I thought of preparing for 2 to 3 subjects thoroughly. Will it be sufficient? Please share your thoughts.
how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...
What is the cut-off rate?
Draw the line diagram of diffretial relay connected to transformer?
which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?
A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.
what is KA rating and how can we choose switchgears on applications
