Saturday, September 15, 2012

Railtel DM(Tech)- 2012 question paper answers


     This post is done by SAGAR MISHRA. we all very thankful to sagar who provided a unbelievable data. which is very difficult to collect in which condition when the organization does not allow to take paper with yourself....
   if any question you feel the answer is wrong you can write here.. this answer sheet is given by the memory basis. and it is not an official answer sheet...

                                               Result has been declared click here

                                     all 100 questions with answer

G.K-(10 question)
1.no. of players in woman basketball- ANS 5
2.SAARC university- ANS NEW DELHI
3.FAO h.q- ROME
4.CANNES related to -FILM
5.light year is unit of- DISTANCE
6.blood clotting- VITAMIN K
7.sidhartha enlignment place- GAYA
8.mother's day - MAY
9.next olympic- RIO
10.great bath (not dockyard)-MOHANJODARO

APTITUDE-(20 ques)
11.find the odd no. in a series-33
12.find the odd no in a series with different options
13.1 . 10^27 - 1 is not divisible by 
ANS : 90

14. 20 candidate appeared for 16 posts .no. of ways of selection at least 1 picked
Ans 19 C 15

15. A shopkeeper buys 9kg of mango in certain price and sells 8 Kg on same price . Tell the profit percent 

ANS : 12.5 %

16 . Train is coming in every 15 min with speed of 16km/hrs , if a man is walking at opposite direction and sees the train in every 12 mins . thn speed of man

Ans : 4Km/hr

17. A man sells two chairs 500 each . one at 20% profit ,other is on 12% loss . Find the total profit/loss percent

Ans : 1.5 %

18: the average of four consecutive even no. is 9 , find the product of first and last digits .

Ans : 72

19. A work can be done in 150 days . if 2 man left the job on second day and 2 on third day and so on. find out how many days the work got delayed .
ans: Did not attempt :)

20.series complition-ANS 128

21.what is csingle discount for 40%+20%+10% ANS-56.8%

22.what will be at position of ? ANS- 16

23.seq with alphabet & no.
24.seq with alphabet and no.
25.seq with alphabet only
26.7th from the right then original position is- ANS 2nd
27.in a given digits interchange 2nd from 6th and 3rd from 7th then which digits is at 4th from left- ANS-7
28.A man leaves his house 15 min early and reaches to bus stand at 8:40 if it takes 10 min to reach bus stop. what is his usual time of leaving home 
Ans: 8:45

29.A cone is fitted into sphere .ratio of its height and radius of the circle .Ans: 4/3
30.very easy alphabet coding

ENGLISH (10 ques)
31.perpicacious-ANS SHREWD
32.VITUPERATE-ans ABUSE
33.TO BELL THE CAT-ANS TO TAKE LEAD IN DANGER
34.TO FLY OFF THE HANDLE-ANS TO GET INTO A RAGE AND LOSE SELF CONTROL
35.FILL IN THE BLANKS- SIN.......DEATH-ANS PUNISHMENT
36.FILL IN THE BLANK
37.FILL IN THE BLANK
38.COMPREHENSION-Author compares books with 

A) Tree B)Flowers
C)Maiden D)appreciato
39.COMP.
40.COMP.

TECHNICAL (60 QUES)
41.FERMI ENERGY LEVEL---MAX AT 0 K
42.THREE CURRENT FLOWING AT A NODE I1,I2,I3 IF I1=10SIN(400t+60),I2=10sin(400t-60) what will be the I3.---I3=-10sin400t
43.if Ic is 50 times more than Ib then  beta=? -----B=50
44.self biased si transistor circuit-----14V
45.TEM in wave guide------reflected by walls
46.delE/delT-----faraday's law
47.two independent equation in maxwell------both curl & divergence
48.n1=1.44,n2=1.40--------n=0.34
49.Am=100,Ac=400 what is m in AM------m=25%
50.maximum current in a given RLC ckt------I+j0 img part zero
51.impedence in a given RLC ckt--------7+j0
52.Reciprocity in two port network------h12=-h21,z12=z21
53.if in parallel ckt R1:R2:R3=2:4:6 then what will be I1:I2:I3------6:3:2
54.network ckt with switch-----9i+8di/dt=180
55.which is not a CMOS characteristic------low input impedence
56.max current in trans------Ic sat
57.which is not a security threat HACKER,VIRUS,id theft,spam------spam
58.CPU register depends on------computer arch.
59.no. of hardware interuppt in 8085-------5
60.rotating left means-----multiply by 2
61.encoder,quqntization used in-------PCM
62.m1=0.3,m2=0.4 m=?-------m=0.5
63.which is ind of resistance--------resonant frequency
64.max Vc at---------resonant freq
65.T=10us in T flip flop-------T=20us
66,.5 NOT gate--------f=1/2NTpd.....perhaps it was 1GHZ
67.boolian simlification-------AB
68.computer works on-----binary
69.IF INDUCTION MOTOR SPEED is > SYNCHRONOUS SPEED than it works as---------INDUCTION GENERATOR
70.Ad=10^5,Ac=0.01 CMRR=?-------10^7
71.arrange in increasing order of input impedence------CB,CE,JFET,MOSFET
72.maximum power efficency----50%
73.in a ckt of zener diode------I=7ma
74.which of the following is a phase lead compensator-----S+1/S+2
75.what is taau (jjita)in a second order close loop system-------0.353
76.close loop transfer function was given what will open loop dc gain------13/9
77.DMA function---betn memory and i/o w/o microprocessor
78.SWR=Emax/Emin
79.FM signal Mf=2 given..what will side band--------1000MHZ+-2nkHZ
80.ques from FM fm and Mf is given what will frequency deviation (delf)
81.in TV picture and sound signal------pict-AM,SOUND-FM
82.in a given admittance tow port n/w ckt what is Y12------Y12=-Y3
83.no. of comp. if no of bits =8 in flash type--------255
84.at what angle circle formed in CRO---------90 deg & 270 deg both are correct
85.schottky diode used as-------rectifier or low  voltage detector (don't know exact ans)i think low vol. detector is more appropriate
86.numerical on optical fiber-------60 deg
87.1 more ques on optical fiber
88.power gain=1000 diameter=?
89.in distortionless alpha=?========a=1/R SQUARE ROOT L/C
90.Z0=Zin ref.=?--------0
91.ggretest noise level in-------CMOS
92.which is correct refl.+refr=1,trans.+refl=1 & so on ans--------refr.+reflec.+trans=1
93.lighting protector-CONDUCTOR+RESSUTER
94.Kp & W/L given what willId & Vtp
95.drift velocity=--------qET/m
96.phase diff=
97.half load power------500W,1250W
98.generator efficiency
99.something like peripheral divices are located by.....option address bus,data bus etc
100.in a given parallel resistance circuit current in R2 (I2=100ma)is...increases,decreases,remain same if R1 is open (earlier before opening I1=150ma)-------REMAIN SAME as in parallel ckt voltage must be equal

i write this only 4 those who gave d xam.....now give your approx marks.......i got 68-71 (GEN) & i think cut off for gen will be-65-70,obc-60-65,sc/st-max 50.

                                                                                                            by 
                                                                                                          SAGAR Mishra
  we are heartily thankful to Mr. saagr  to providing the very useful data. i think it should be very useful for the blog reader....

                 if any questions answer found wrong it is not subject to matter this blog is not responsible for that..

7 comments:

  1. i am getting 63-65

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  2. This comment has been removed by the author.

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  3. in question no. 63 ..he has not mentioned the ckt as series or parallel rlc ...therefore the answer must be none of the above

    ReplyDelete
  4. in series & parallel both case Wo is independent of resistance....

    ReplyDelete