| 30th March 2013 10:36 AM | |
| Arvind Kumar | Re: HAL Question Paper For Electrical Here I am providing you the HAL Question Paper For Electrical 1)Finding the power angel in power system 2)The motor used in fruit juicer 3)LVDT is used in finding th displacement 4)Cross magnetization will come with wat pf 5)The type of converter used in HVDC 6)The relationship b/w the airgap and current in light 7)Corrona loss is less in which type of shaped conductor?( the question is asked 2 times) Ans: circular 8)The motor used in low speed applications? 9)If the accuracy of an instrument is 5% for 100A current ,accuracy for 50A current? 10)A question on time constant of a coil(R-L) circuit! 11)Effect of line commutated inductance in inverter a) increase current ripple b) reduces current ripple c) increases output voltage d) reduces output voltage 12)The type of bridge is used for Low Q applications ans: maxwells bridge 13)A question on PSM and TSM in power system 14)The advantage of PI controller over P controller 15)The power gain is highest in wat amplifier Ans : common emitter 16)Power of a converter with ac input supply and dc output current a)1 b)0.98 c)0.95 d)0.92 17)The element which has unchanged properties when current direction is reversed a)linear b)bilateral Ans: b 18)The output voltage is high in wat rectifier a) HWR b) FWR .... 19)Problem on power factor..a load is given and synch motor is given..sych motor is taking 10kw input, load is 00MVA and 0.8lag,synch motor is running on no load..to bring power factor to '1' the synch motor should supply how much eactive VAR? 20)A question on current source and voltage source inverter power transformer is earthed becoz.. a) to reduce neutral current b)to avoid harmonics c)... 21)Why generator neutral is earthed with transformer neutral? Ans: generator stator winding protection 22)Positive sequence terminal voltage is zero in a)L-L b)L-L-G c)L-G d)L-L-L Ans: d For more detail information here I am attaching a word file for the HAL Question Paper For Electrical which is free to download. (HAL Question Paper For Electrical) |
| 28th March 2013 11:52 AM | |
| Naeem Nuri | HAL Question Paper For Electrical Sir, Please provide me the HAL Question Paper For Electrical. |
