BEL Technical - Other Paper - 3

BEL PAPER ON 13th MAY AT BANGALORE

Hai Guys,

1.which of the following game uses bulley
a.football b.cricket c.goalf.. d.hockey

2.coupling capacitors and bypass capacitors affect
Ans:Only affect the lower cut off frequencies

3.1,8,27,64,125, ..........,.......
which among the following will not come in the series
a.1000, b.729 c.259
Hint:1³, 2³,3³, 4³,5³,…….the series is like that

4.I am not able to paste one image.
Tthe question is RC coupled amplifier with a feed back network in between Collector and Base.Which type of feedback is this?
a.Current series b.Voltage shunt C. voltage series d current shunt
Ans: Voltage shunt

5.Block reduction of control system(simple)

6.settling time of Control system.Given the transfer function.I am not recollect
Ans== 4/îwn

7.Dual of a logical expression
8.Particular Integral of homogenious eqn