BSNL Paper

Paper Type : Technical - Electronics
Test Date : 11 January 2009
Test Location : AMBALA CANTT(S D SR SEC SCHOOL)
Posted By : SORABH MALHOTRA


PART 1 GENERAL ABILITY

1) Operation Flood is Related To
ANS: Production of MilK

2) Capital of DaDra Nagar Haveli
ANS: Silvasa

3) Suger Bowl Of India
ANS: Uttar Pradesh

4) Minimum Age To Became President of India
ANS: 35 year

5) BANKER OF BANK
ANS: RBI

6) Oldest Mountain In India
ANS: Araavali

7) Monsoon affected State
ANS: Orrisa

8) Vidya Sagar Setu
ANS: Hoogly river

9) Peroid of RajyaSabha
ANS: 6 year

10) Our Indian Constitution pass By RAJYA SABHA
ANS: 26 NOVEMBER 1949


PART 2 BASIC ENGINEERING

1) A+A(BAR)
ANS: 1

2) A+AB
ANS:A

3) FIND THE GATE

ANS: A B Y
0 1 1
1 0 1
1 1 0

4) (3AB)16 =2979

5) O/P of EXNOR Gate
ANS : A B Y
0 0 1
0 1 0
1 0 0
1 1 1

6) ASCII is a
ANS: 7 unit Code

7) In LASER " S" Stands for
ANS: STIMULATED

8) Energy Band GAp of Silicon
ANS: 1.1 ev

9) Wave Guide act as
ANS: High Pass Filter

10) Bode Plot Is applicable to
ANS: Minimum Phase Network

11) Efficiancy of CLASS B PUSH PULL Amplifier
ANS: 78.5%

12) Ideal Voltage Controlled Current sourse has
ANS: Ri = infinity R0= ZERO

13) Break Down Voltage of SILICON
ANS: 0.6

14) A Darling Pair Consist of
ANS: Both Collector

15) Sampling Theorm Fibd application In
ANS: PCM

16) Poynting Vector
ANS: P=E*H

17) The Speaker used in Telephone RX is
ANS: Fixed Coil Type

18) Measurment of High Q Inductence
AND: HAYS BRIDGE

19) Measurment of Very High Resistance
ANS: MEGGER

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