HAL Question Paper For Electrical

Sir, Please provide me the HAL Question Paper For Electrical.

[Arvind Kumar]

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)