Sunday, January 23, 2011

TATA INFOTCH PAPERS



campus paper for TATA INFOTCH




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it consists of number series.In some institutes alphabetical series is


given instead of number series.Iam having number series so iam sending
that.Please go through tha alphabetical tests also.

1. 19,24,20,25,21,26,? ans:22
2. 11,14,12,15,13,16,? ans: 14
3. 10,2,8,2,6,2,? a:4
4. 8,9,11,14,,18,23,? a:29
5. 25,25,22,22,19,19,? a:16
6. 14,2,12,4,10,6,? a:8
7. 7,16,9,15,11,14,? a:13


8. 40,42,39,44,38,46,? a:37
9. 3,18,4,24,5,30,? a:6
10. 18,20,22,20,28,20,? a:22
11. 18,20,10,12,4,6? a:0
12. 7,6,8,5,3,7,? a:4
13 9,18,21,25,20,? a:30
14 3,3,4,8,10,36,? a:33
15.30,28,25,20,34,28,? a:21
16. 4,8,16,32,64,128,? a:256
17. 8,16,24,32,40,48,? a:56

18. 13,11,14,12,15,13,? a:16
19. 6,18,36,108,216,648,? a:1296
20. 4,4,8,8,16,16,? a:32
21. 2,6,18,54,162,486,? a:1458
22. 4,20,35,49,62,74,? a:85
23. 10,18,15,23,20,28,? a:25
24. 4,10,8,14,12,18,? a:16
25 10,15,12,17,14,10,? a:16


part 2 (quantitative)

1.A clerk multiplied a number by ten when it should have been divided by
ten.The ans he got was 100.what should the ans have been?

a:1


2.If rs20/- is available to pay for typing a research report & typist A
produces 42 pages and typist B produces 28 pages.How much should typist A
receive?

a:rs12
3.The average salary of 3 workers is 95 Rs. per week. If one earns
Rs.115 and second earns Rs.65 how much is the salary of the 3rd worker.

Ans.105.
4.A 16 stored building has 12000 sq.feet on each floor. Company A rents 7

floors and company B rents 4 floors. What is the number of sq.feet of
unrented floor space.

Ans.60000
5. During a given week A programer spends 1/4 of his time preparing flow
chart, 3/8 of his time coding and the rest of the time in debugging the
programs. If he works 48 hours during the week , how many hours did he
spend debugging the program.

Ans. 18.
6. A company installed 36 machines at the beginning of the year. In March


they installed 9 additional machines and then disconnected 18 in August.
How many were still installed at the end of the year.

Ans .27
7. A man owns 2/3 of the market research beauro business and sells 3/4 of
his shares for Rs. 75000. What is the value of Business.

Ans.150000
8. If 12 file cabinets require 18 feet of wall space, how many feet of
wall space will 30 cabinets require?

Ans.45
9.A computer printer produced 176,400 lines in a given day. If the


printer was in operation for seven hours during the day, how many lines
did it print per minute?

Ans.420
10. From its total income, A sales company spent Rs.20,000 for
advertising, half of the remainder on commissions and had Rs.6000 left.


What was its total income?

Ans.32000
11. On Monday a banker processed a batch of cheques, on Tuesday she
processed three times as many, and on Wednesday she processed 4000
cheques. In the three days, she processed 16000 cheques. How many did

she process on Tuesday?

Ans.9000
12. The cost of four dozen proof machine ribbons and five dozen accouting
machine ribbons was Rs.160/-. If one dozen accounting machine ribbons
cost Rs.20/-, what is the cost of a dozen proof machine ribbons?

Ans.Rs.15
13. If a clerk can process 80 cheques in half an hour, how many cheques
can she process in a seven and one half hour day?

Ans.1200
14. In a library, there are two racks with 40 books per rack. On a given
dya, 30 books were issued. What fraction remained in the racks?

Ans.5/8
15. The average length of three tapes is 6800 feet. None of the tapes is
less than 6400 feet. What is the greatest possible length of one of the
other tapes?

Ans.7600
16. A company rented a machine for Rs.700/- a month. Five years later
the treasurer calculated that if the company had purchased the machine

and paid Rs.100/- monthly maintenance charge, the company would have
saved Rs.2000/-. What was the purchase price of the machine?

Ans.Rs.34000
17. Two computers each produced 48000 public utility bills in a day. One
computer printed bills at the rate of 9600 an hour and the other at the
rate of 7800 an hour. When the first computer finished its run, how many
bills did the other computer still have to print?

Ans.9000
18. If a salesman's average is a new order every other week, he will
break the office record of the year. However, after 28 weeks, he is six
orders behind schedule. In what proportion of the remaining weeks does
he have to obtain a new order to break the record?

Ans.3/4
19. On a given day, a bank had 16000 cheques returned by customers.
Inspection of the first 800 cheques indicated that 100 of those 800 had
errors and were therefore the available immediately for data processing.
On this basis, hwo many cheques would be available immediately for data
processing on that day?



Ans.14000
20. A company figured it needed 37.8 sq.feet of carpot for its reception
room. To allow for waste, it decided to order 20% more material than
needed. Fractional parts of sq.feet cannot be ordered. At Rs.9/- a
sq.feet, how much would the carpet cost?

Ans.
a. Rs.324 b) Rs.405 c) Rs.410 d) Rs.414 e) Rs.685
21. A tape manufacturer reduces the price of his heavy duty tape from
Rs.30/- to Rs.28/- a reel and the price of a regular tape from Rs.24/- to
Rs.23/- a reel. A computing centre normally spends Rs.1440/- a month for
tapes and 3/4 of this is for heavy duty tapes. How much will they save a
month under the new prices?

Ans.Rs.87
22. In a team of 12 persons, 1/3 are women and 2/3 are men. To obtain a
team with 20% women how many men should be hired?
Ans.8

23. The dimensions of a certain machine are 48" X 30" X 52". If the size
of the machine is increased proportionately until the sum of its

dimensions equals 156", what will be the increase in the shortest side?

Ans. 6"
24. In a certain company, 20% of the men and 40% of the women attended
the annual company picnic. If 35% of all the employees are man, what
percent of all the employees went to the picnic?

Ans.33%
25. It cost a college Rs.0.70 a copy to produce a Programme for the
homecoming football game. If Rs.15,000/- was received for advertisements
in the programme, how many copies at Rs.0.50 a copy must be sold to make
a profit of Rs.8000/- ?

Ans. 35000





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Wednesday, January 19, 2011

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Tuesday, January 18, 2011

jntu-k c-language important questions for 1st year ist semister



jntu-k c-language important questions for 1st year ist semister





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C language

Unit-1

1.define algoritm?
2.what is the use of flow chart?
3.what are the different steps followed in the program development?
4.write about space requirement for variables of different data types?
5.what is an operator? Describe the different types of opearator that are included wit in the ‘c’ language with the example for each?
6.what are the logical operator used in c
7.what are uniary operator?



Unit-2

In what way ‘if statement is different from switch statement? Write a program using switch statement to manipulate students grade system?
2.explain about the concept of multiway selection and the different ways of implementing with examples
3.explian
a.mask
b.rotation
4.what are logical oprators are used in c?illustrate with examples
5.explain about shift oprator?



Unit-3

1.list and explain with examples the common applications for loops?
2.Difference between break and continue statement with examples?
3.suppose a break statement is included with in the innermost of several nested control statement what happens when break ststement is ececuted?
4.what is the purpose of break statement?
5.what is meant by looping?
6.why ‘while statement is called repetation structure?
7.explain briefly about string classifications?

Unit-4
1.what is the advantage of using arrays?
2.
Different types of arrays?
3.how arre multidimensions array defined?
4.how multidimensions array is passed to functions how are the formal arguments declarations written?compare ith one dimensional array?

Unit-5

1.what is a function?what are the different types of functions?explain functions with no arguments and no returns type with an example?
2.explain about call-by value with an example?
3.differeiante between userdefined and built function?
4.what are the facilities provided by the preprocessor statement?explian with a program/
5.write aprogram to generate fibbacci series?
6.write arecrucive function power that when involved returns base exponent?
7.write a c program that uses a function to sort an array of integers?

Unit-6
1.write a short notes on pointere?
2.write a c program that uses a pointer as a function argumeny?
3.if m and n have been declared as integers and p1 and p2 as pointer to integers then find out the errors if any of the following statements?
1.p1=&m:
2.p2=n:
3.m=p2=p1:
4.*p1=&n:
4.state wheather each of the following state is true or false give reasons
a.an integer can be addede to a pointer
b.a pointer can never be subtracted from anoth er pointer.
c.when an array is passed as an argument to afunction apointer is passed
d.pointer cannot be used as formal parameters in headers to function definition



Unit-7
1.define structure?write rule for declaring structure and accesing with a program?
2.how structure is different form an array?explain
3.explian the concept of nesting of structure and accessing structure numbers with a program?
4.Write a short notes on array of structure?
5.how an array be included as a member of a structure?
6.how bits are manipulated using bit fields in ‘c’ explain?
7.how to compare structure variables?give examples?
8.how an array be included as a member of a structure

unit-8

1.write the syntax for opening a file with various modes and closing a file?>
2.distinguish between text mode and binary mode operations of a file?
3.explian about file handling functions?
4.write a program to read a textfile and to commit
a.number
b.number of words
c.number of sentences and write in an output file.
5.write a program to open a preemisting file and add information at the end of the file .display the contents of the file before and after appending?

jntu-k chemistry important questions for 1st year ist semister



jntu-k chemistry important questions for 1st year ist semister





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Chemistry
Unit-1
1.state and explain first law of thermodynamics?
2.what is joule-thomson effect/ write its experiment?
3.discuss the second law of thermo dynamics or law of entrophy/
4.calculate the change in entrophy when one moleof water at 100’c evaporates completely the latentheat of vaporization of water is 9650 cal/mole
5.expalin the principle of air conditions with neat diagram?
6.expalin the desalination process?
7.what is law of mass actions?add anote on equillibrum constant??
8.write short notes on ionic p
roduct of water?
9.state ph scale with its range?
10.state and wxplain le chateliers principle?
11.write about
a.solubility product
b.fraction affecting solubility product
c.application of solubility product




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unit-2
1.explain about homogenious and hetrogenious catalysis?
2.write a short note on mechanism of catalytic action/
3.explian about the different types of colloidal systems
4.define the fermentation process and brief explain about the conditions favorable for fermaenatation
5.explian the concept of viscosity and mention the factors influencing viscocity/
6.state and prove bernoli’s theaorem/


Unit-3
1.differnnce between photochemical reactions and thermodynamics reactions?
2.briefly mention about different laws of photochemistry/
3.Explain the consequences of light absorption using jablonki diagram?
4.define sensors?how many types of sensors are there?
5.what do you understand by ion selective electrodes?while a note on its principles and working?
6.what do you understand by nuclear magnetic resources?explian the principle involved in it?
7.give few applications of nmr?


Unit4
1.define superconductivity and list out the properties of superconductors?
2.define semiconductor.explian about n-type and p-type semiconductors?
3.what are intrinsic semiconductors?explian the conductor of n-type and p-type semiconductor?
4.what are storage devices?explian about primary and secondary storage devices?
5.explian
a.floppy disk
b.cd
c.pendrive




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unit-5
1.distinguish between solid,liquid,and gaseous fuels?
2.write a neat diagram explain how the colcrific value of a solid fuel in determine using a homb colorimeter?
3.brief and explain about the different types of carlinization of coal
4.brief explain about the ultimate analysis in determining analysis in quality of coal?
5.distinguish between pronimate and ultimate analysis of coal
6.briefly explain working of thermal power station with diagram

Unit-6
1.define electrode potential and write briefly on single electrode potential
2.derive the nervest equqtion whwt are its applications
3.write in detail about concentration cells?
4.discuss the theoretical periniciple involves in the construction and operation of any two important primary cells
5.write briefly on fuel cells with their advantages and disadvantages?

Unit-7

1.explian the following nuclear enegy
a.radio activity
b.radio active decay
c.nuclear stability
2.differntiate the binding energy form bond enegy?
3.briefly explain about nuclear fission an nuclear fussion rreactions?




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jntu-k physics important questions for 1st year ist semister



jntu-k physics important questions for 1st year ist semister






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Physics


Unit-1

1.what is meant by interference of light?state the fundamental conditions for the production of interference fringers?
2.explain the principle of superposition of waves?
3.with releveant diagram explain yonges experiment on the basis of the wave theory?
4.explain why different colours are exhibited by a thin film when exposed to white light?
5.explain the interference of light duw to their films?
6.write the necessarary theory to determine the radius of a curvature of alens using newtons rings method?
Unit-2


1.DIFFERENCE BETWEEN INTERFERENCE AND DIFFRACTION?
2.discuss framhofer diffraction due to single slit?
3.find the angular widthof the central maximum in the transfer diffraction using a slit of width 1um when the slit is illuminated by light of wavwlength 600 nm?
4.find the highest order that can be seen with a having 15000 lines/inch.the wavelength of the light used is 600 nm?
5.a plane transimission graling having 6000 lines/cm is used to obtain a specrum of light from asodium lamp in the second order .calculate the angular spectrum between two sodium lines d1 and d2 of wavelength 5890a.v and 5896 a.v ?
6.explain rayleighs a criterion for resiving power of telescope?


Unit-3
1. Explain polarized light?
2. 2.discuss how the circular and ellipitical polarized light can be produced?
3.define the following?
a.plane of vibration.
b.palne of polarization.
4.what is brewsters law? Explain
5.expalian why the sky apeerrars blue and red at different times during a day?
6.calculate the thickness of a quqrter wave palte for amono chromatic light of wavelength 600nm.if the refractive indices of ordinary andextarordinaryrays in the medium are 1.5442 and 1.5533 respectively?
7.a beam of plane polarized light is converted into acircular polarized light by passing if through a crystal slice of thickness 3*10^-5. Calculate the difference in the refractive indices of the two rays inside the crystal assuming the above thickness to be the minimum value required to produce the observed effect.wavelength of the light used is 600 nm./
8.expalin in detail the term, double refraction?
9.discuss the construction of nicols prism?



Unit-4
1.define crystal lattice ,unitcell,lattice parameter and coordination number?
2.define coordination number and packing factor of a crystal?
3.expalin the terms
a.basis
b.space lattice
c.lattice paramers
d.unit cell.
4.describe the 3-dimensionalbravis lattices in combination with the crystal sysyem?
5.show that fcc is the model closely packed out of the three cubic structes by calculating the packing factors?
6.expalin the formation of ionic crystal with a suitable example? Structure of NACL?


Unit-5
1.what is miller indices?how arre they obtained
2.sketch the following planes of a cubic unit cell (001),(120),(211)
3.derive the expression for the inter planar spacing in the case of a cubic structure?
4.what is bragg’s law?expalin?
5.descibe laves method for the determination of crystal structure
6.descibe with suitable diagram the powder method for determination of crystal structure?


Unit-6
1.what is the characteristics of a laser beam?
2.explain with neat diagram
a.absorption
b.spontaneous emission
c.stimulated emission of radiation
3.derive the relation between probabilities of spontaneous emission and stimulated emission in terms of Einstein coefficients
4.calculate the wave length of emitted radiation from GaAs which has a brand gap of 1.44 e v
5.what is population inversion?
6.what is population inversion relating to laser action?explian
7.derive the construction and working of ruby laser with neat sketch?
8.expalin the need of a cavity resonator in alaser
9.with the help of a suitable diagrams explain the principle construction and working of a hellum=neon laser
10.describe the construction and working og GaAssemiconductor
11.write any four application of laser
12.differencebetweenn homo junction semiconductor and hetro junction semiconductor laser?




Unit-7
1.write the uses of fiber optics in different fibers?
2.desribe the different types of fibers by giving the refractive index profiles and propagationdetails?
3.distinguish between light propagation in
a.step index optical fiber
b.graded index optical fiber
4.an optical fiber has anumerical aperture of 0.20 and a cladding rexfractive index of 1.59 find the acceptance angle for the fiber in water which has refractive index of 1.33
5.explian the advantages of optical communication system
6.what are important features of optical fiber
7.derive the expressions for
a.acceptance angle
b.numerical aperture of an optical fibre
8.derive the communications process using optical fibre?
9.describe the construction of a typical optical fibre and give the dimensions of the various parts?




Unit-8
1.explin the basis principles involved in non destruction method of testing using ultrasonics?
2.explian pulse eche testing technique in the inspection of ultrasonic waves/
3.explian the inspection method of ultrasonic waves ?
4.what are the properties of ultrasonic waves/
5.list out the applications of ultrasonic waves?




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