Electrical Engineering Interview Questions
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Basic motor transformer generator

eCentric Solutions,

113

How to perform a DC resistance test In Alternator and their proceduces?

95

if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?

89




what is difference between KW and KVA

155

how to select rating of HT Panel

146

if we have 320KVA Genset kindly advice how much load we can put it.

134

For 35 HP motor how much amount of capacitor should be on in kvr to reduce the current bill

149

Why transformer used in UPS??

JLL,

167




The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

153

if there are six generators (3 gas CATT, one Jenbacher o1 MW each, and two nos Diesel 01 no 01 mw other 0.65mw EDGs ( say), 3 CAtt gas set have identical pole pitch,01mw EDG and Jenbacher gas Set have different pole pitch, how their power connection can be done to connect a common bus bar during installation. in short, how different pole pitched generators power connection can be done to connect a common busbar system through generators incomer ACBs.

147

1hp single phase load = howmuch 3 phase load

96

1.4 What is meant by CT knee point voltage and how would you determine it

157

If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?

79

If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

ABC,

61

i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

47


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Un-Answered Questions { Electrical Engineering }

What is hipot test procedure?

154


Why HT 11 KV Slipring Motors are connected in star ?

978


what is gas turbine intercooling ?

690


Dear all i want to know FEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me shibin_75@yahoo.com

7919


Is it true that in the 3 phase transformer, the limbs of the core are at 45 dgrees to each other. if true, why?

759






state working of halogen lamp?

609


HOW TO CALCULATE HV TEST VOLTAGE FOR ELECTRICAL EQPT.

847


What work have you done on full chip Clock and Power distribution? What process technology and budgets were used?

1385


Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.

1113


Hello Guys !! i want to rrb section engineer electrical(signal) previous model papers? any body help me?

560


what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?

1029


What is distance between electrical panel to land ?

97


any earth foult trip the relay but in welding time not trip by earth foult

1869


how to deside the capacity of chock for drive?

750


Is it possible to connect a safety device in to parallel?

783