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In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?
1276Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?
1217Which type of motor is used in trains, what is the rating of supply used explain working principal?
1340In a tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?
1190Post New Electrical Engineering Questions
What is electrical cable termination
formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?
What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?
How two nos. 130 kw D.C motor get synchronise using D.C drive.
Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?
WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?
How can we calculate the transformer rating if the load calculated is 1000KW (11Kv Supply)?
advantages and disadvantages of inverse definite minimum time RELAY
What is the power factor of a transformer at no load?
In Generator How suction compression power and exhaust works ?
What is gain margin?
why we used dc supply for field in dg set
How efficiency of thermal plant can be improved?
1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?
List the advantages of star-delta starter with induction motor?
