mtnl jto ( joint telecom operator ) exam pattern \ placement paper

MTNL (JTO/JAOS) EXAM —-HELD ON 18/09/2005.

5 123456:234556 345678:???

there were 170 q,s ,out of which 100 technical and 70 counts for

aptitude.

time limit was 2 hours. 30 minutes were previusly given for filing the

entry.exam stared around 10 o clock.

*there were no g.k question

note—–>>>

*approx 10 question were also in sail 2005 examination(management

trainees)

$——-> repeated

*few q which i remembered,

i have written them according to the nearest topic

*technical was having almost thoeritical question nearly.

********technical section************

1.what is a aquadag.

2.about the quiscent condition

3.cassegrain feedis used with parabolic reflector to

allow the feed convenient position. $

4. configuration of cascade.

ce cc,cbce, none

5.resistors is measured in a) ohms

b) watts. c) both

6.if diameter of radar is >> 4 times $

how much range is increased ans)4

7.n type have which type of impurity

8.semiconductor strain gauge over the normal strain gauge is around.$

9.why slicon is prefeered

10. what is w2/w1=4 relationship is called $

11.which one is best outof(near about)

nyqiust,bode, routhz

12.wein bridge frequecy conditions

13.The ,h, parameter equivalent circuit of a junction transistor is

valid for -

a). High frequency, large signal operation

b.) High frequency, small signal operation

c.) Low frequency, small signal operation

d). Low frequency, large signal operation

14. comparater is used for?

15. astable and bistable uses

16. to increase input z u will prefer

a). Current series feedback

b). Current shunt feedback

c). Voltage series feedback

d). Voltage shunt feedback

17.. Enhancement type P channel MOSFET the gate voltage is

+,-,+ &-

18 which gate gives 0 when i/p is 1

19. decimal have radix ?

20 what is binary for 10

21 one value was given SN72 like that ,u have to tell

which device it means.

22. what does the sync mean in tv tramnsmission. $

23. question on transformer coupling(i didnt remember)

24. where the double tunning is used in radio receivers.

25. sequential circuit dependence on input and output.$

26.question on power receiveed by the receiver in tramsmmission

27.the probability density function of envelope of narrow

band noise is gaussian………………………….

28. what isthe output of given IC .

29.if quantization level is incresed from 8—>9 then what is the

effect

30. a figure was given and we have identify thec circuit.

31.in closed loop if u are having m=100 and negative feedback

is .04,what is gain

32.k maps was given u have to give the right pairings.

33.a question on bandwidth

34.fourier series coprises of

sine,cosine,both

35.stalites works in which frequency $

vhf,uhf,both

36.by which u can prepare a binary counter. $

d,rs,jk,latch

37.q based on use of schotky diode

38. q based on the use of varactor diode.

39.q based on allignment in paramagnetic materials.

40.which equipment uses minimum power.

41. it both input of nand gate is high,give the o/p.

42.how many bits are required to reepresent 35 in binary.

43.what is CMRR.

44.if current in zener is increased then what happens.(near about).

45.for,thermistor if temperature is increased then then temperature

coefficent

will?

46.relation between B(beta) and Ic in bjt

47.the resistance of loudspeaker is nearly

ohms,k ohms,m ohms,

48.early state in bjt is due i/p applies,

on time,off time,….

*****aptitude section***********8

aptitiude q

antonymns of

1. debonair

2.bafeful

3.exasperate.

4.dainty

5.epolsive

6.a very simple passage followed by 5n scoring q,s

7.5 question to pick the wrong part in sentences

maths part

1.work… time taken by 4 men to do work is 98.if 3 more

person are involved they the will finsh the work of 298 hrs

in how many more days

2. dicount offered by 3 shopownwer

15 and 10

20 and 10

36

which is the most discounted

3.15^3-14^3/15^2+210+14^2 solve it

4. (312)^.5 * (201)^.5 solve it

5.radius of 2 circle and revolution of one was given,find the other

6. 7 know french ,8 know german ,3 know none ,find how many know both.

7. 80 %failed in maths, 70 %in english ,10 % failed in both,total

passed

no is 144.find total strength.? $

8.if watch is always makes error of 4 second (+)/hours,what will be

time on 22 day 8 am when it was last corrested on 21 day 1 pm

9 q based on day of birth ?

analytical

1. cube face q(same of any two side is 7) $

2. relationships based simple q .(8 in no in total)

3. dog:caninne governor: ??? $

4. 0,6,24,36,120,312(approx likethat) what should not be there $