Placement Papers - BEL

Bharat Electronics Ltd.
BEL PAPER - 13 MAY 2007 - BANGALORE
Posted by :
Kanika
(34)
Hi Friends

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. one image question.
the 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.
Ans== 4/?wn<!--[if !vml]--><!--[endif]-->

7.Dual of a logical expression

8.Particular Integral of homogenious eqn

Sorry I dont remember the rest
Subair