wipro roorkee 3-8-00

Roorkee3-8-2000
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WIPRO 2000
The question paper consists of
1.Non tech (math,phy,chem,reasoning)=55marks
2.technical(respectivebranch paper) =20 marks
Nontech same for all branch

here in this paper i m giving for electrical branch paper.for technical q's for comp & E&C i will mail u those q's tomarrow morning
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Section 1Q's of P.C.M.
1.A gas changes its state (P1,V1) to(p2,v2) in different paths.Which ofthe following is true. DelQ-input,del-W output
2.frequency of photon increases-K.E. of electron increases
3.two body having same area at 10,20 degree cent.ratio of heat radiaton=116
4.wave length of X RAY-a.less than a wave length b.monocrome wave length c.bet min&max w length

5.same mass no&same atomic no a. isotope b. isobar c. isotone6.109 water drops combine .resultant r=20mm.

7. which are not soluble)phenol benzene b) chloro benzene bromo benzene c)water & ethanol

8)after transfer of one proton from an isomer it forms a)metaisomer

9)The ratio of C,H &O in a compound are 40%,6.67% &53%.find theimpirical formula ans CH2O

10)H2S+CL2=2HCL+Sprob from mole concept

11) benzol reacts with HCL in presence of PCL3 what will be the product

12)16 21 26 17 21 25 sum of 100 numbers of the series contains ..
ans-101100

13)a speaks true 70%,b-80%,what is the probability that they willcontradict

14)find out the rank of SURITI in dictionary

15)two persons choose a number bet.1 to 25.what is the prob. That theyboth will choose the same number

16)x*3-3x+a=0what is the value of a between -1 to +1 so tthat they have +distinct root

17)1+2(1+1/x)+3(1+1/x)2.find the value

18)3/12+5/(12+22)+7/(12+22+32)..

19)y=log(1-t2) x=sin-1 tfind d2y/dx2 t=1/2

20)(2x+3)/(x2+x+1)2 dx

21)sin (2t+3)/6P find out the period

22)7 toys is to be didstributed among 3 students find out the number ofways

23)find minimum number of po ints at which 2 circles intersect

24)dy=(sec x +y tan x dx)find the equation of the curve passing throughorigin

25)s is a +ve integer from which equation it can be knowna> x*2=1 b>x*3=-1

26)y dx- dy+logx dx=0find the equation passing through -1 +1

27)v=sin(some function)+1 ans -1 to +1

28)two parts each containing 5 questions one has to select 6 questions hecan't choose more than 4 questions from a group

29)A goes towards north 2km,then turns right move 4 km,then right 4km,then right 4 km in which direction is he after the first turn (ans west)

30)what is the dist bet the 1st and last point in the above question

31) two group of people x,y,z and a,b,c,d. cond z does not agree to c soalso a to b and y to a.three questions depending upon this in which youhave to select a group of 2 peopleif one is fixed in a group you have tofind the other.

34)a observer measures length of a rod a) observer is steady rods move paralally with the measured lengthb) rod steady observer is moving c) in which case measured length is max.

35)out of which data you can measure the length of the shadow, height ofman is 6 feeta)length of the poll is 12b)man stands at a dist of 12 feet from the pole

36)a train moving with constant vel. V a nucloid exploids into 2 parts.the dist. Bet. 2 particles after t sec is x.what will be the dist..ans(x)

37)two trains t ans d s are moving with constant vel. From a and b ,c isthe mid point betw. Them..

38)A,B,C are to be choosen along with 5 persons.what is the prob .thatthey will be in a sequence.


ELECTRICAL

1. Given slip 4%,Ns=750rpm2. freq=25 Hz3. df1/p1=df2/p2,p1=10,p2=204. in measuring instr. Jewel.bearing5. E=50V/M,qgiven,F=EQ=6. SERIESresonance=1/2PLC7. Freq in cro,Fx/Fy=1:28. Pole of G(s)H(s),pole at -.1&-.2 you have to find out zeroes9. Inductance of coil=m0mrA/Lm R=60,r=40
10.some quewstion



COMPUTER SCIENCE

1.QUICK SORT O(nlgn).2.NETWORK LAYER (HOW MANY)3.VIRTUAL BASE CLASS (FUNCTION)4.CPU SCHEDULING --- R.R TO FCFS.5.DBMS MODEL ---- three6.NETWORK --- many to many relation.7.
it is all about the paper.

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