MTNL Placement Paper Whole Testpaper -18 Sep 2005
Sample Questions for the MTNL (JTO/JAOS) EXAM
MTNL (JTO/JAOS) EXAM ----HELD ON 18/09/2005.
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 questionnote----->>> *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.
1.what is a aquadag.2.about the quiscent condition3.cassegrain feedis used with parabolic reflector to allow the feed convenient position. $4. configuration of cascade.ce cc,cbce, none5.resistors is measured in a) ohmsb) watts. c) both6.if diameter of radar is >> 4 times $how much range is increased ans)47.n type have which type of impurity8.semiconductor strain gauge over the normal strain gauge is around.$9.why slicon is prefeered10. what is w2/w1=4 relationship is called $11.which one is best outof(near about)nyqiust,bode, routhz12.wein bridge frequecy conditions13.The 'h' parameter equivalent circuit of a junction transistor is valid for ?a). High frequency, large signal operationb.) High frequency, small signal operationc.) Low frequency, small signal operationd). Low frequency, large signal operation14. comparater is used for?15. astable and bistable uses16. to increase input z u will prefer a). Current series feedbackb). Current shunt feedbackc). Voltage series feedbackd). Voltage shunt feedback17.. Enhancement type P channel MOSFET the gate voltage is+,-,+ &-18 which gate gives 0 when i/p is 119. decimal have radix ?20 what is binary for 1021 one value was given SN72 like that ,u have to tellwhich 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 tramsmmission27.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 theeffect30. a figure was given and we have identify thec circuit.31.in closed loop if u are having m=100 and negative feedbackis .04,what is gain32.k maps was given u have to give the right pairings.33.a question on bandwidth34.fourier series coprises ofsine,cosine,both35.stalites works in which frequency $vhf,uhf,both36.by which u can prepare a binary counter. $d,rs,jk,latch37.q based on use of schotky diode38. 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 coefficentwill?46.relation between B(beta) and Ic in bjt47.the resistance of loudspeaker is nearlyohms,k ohms,m ohms,48.early state in bjt is due i/p applies,on time,off time,....
6.a very simple passage followed by 5n scoring q's7.5 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 days2. dicount offered by 3 shopownwer 15 and 1020 and 1036which is the most discounted3.15^3-14^3/15^2+210+14^2 solve it4. (312)^.5 * (201)^.5 solve it5.radius of 2 circle and revolution of one was given,find the other6. 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 passedno is 144.find total strength.? $8.if watch is always makes error of 4 second (+)/hours,what will betime on 22 day 8 am when it was last corrested on 21 day 1 pm9 q based on day of birth ?
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 $5 123456:234556 345678:???
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