Thursday, 31 January 2013

BBA (Third Semester) Business Laws question paper

BBA (Third Semester) Examination, 2012-2013
Paper Third
HNB
Business Laws


Max. marks : 70

Q1:- (a) What is meant by acceptance of a bill of exchange? When must a bill be accepted? If acceptance is refused, what steps should the holder take?

(b) What is the legal effect of a minor liable on a contract for necessaries?

Friday, 25 January 2013

VLSI TECHNOLOGY (utu previous year question paper)

vlsi technology
SEM V, 2011-12

B.TECH
previous year question papers

UTTARaKHAND TECH. UNIVERSITY (UTU)

Time: 3 hours
Total marks :100
Attempt any four parts of the following:
  1. Discuss different steps in preparing wafers from raw silicon.
  2. A silicon ingot with 0.5 x 1016  boron atoms/cm3 is to be grown by CZ method. What should be the concentration of Boron in the melt to obtain the required doping concentration? The segregation coefficient of boron is 0.8.
  3. Explain the application of SiO2 layer in IC fabrication.
  4. Show that to grow an oxide layer of thickness x, a thickness of 0.44 x of silicon is consumed.
  5. Explain briefly features size, chips, wafers,hybrid and monolithic circuits.
  6. State Moore's law and explain the deviation from the predicated path.

Tuesday, 22 January 2013

CHEMISTRY (utu first year question papers)


CHEMISTRY
SEM.II, 2011
B.Tech
UTTARAKHAND TECHNICAL UNIVERSITY
utu previous year question paper first year btech

Time: 3 Hours
Total Marks :100
SECTION A
Attempt any 4 question
  1. On the basis of molecular orbital theory explain the paramagnetic nature of O2 molecule.
  2. Explain conductivity in conductors, semiconductors and insulators with the help of band theory.
  3. What is a hydrogen bond? Explain why p-nitrophenol is more soluble in water than o-nitrophenol.
  4. What is Bragg's Law? How the density of a unit cell can be calculated?
  5. Give the mechanism of the following reactions:
    (i) Beckmann Rearrangement
    (ii) Pinacol-pinacolonone rearrangement.
  6. What is E-Z system of nomenclature? In what way it is better than cis-trans nomenclature?

Monday, 21 January 2013

Saraswati Mantra (tribute to Indian readers)

Tribute to Indian Readers

        Saraswati Maa supposed to be the mother of education, knowledge and wealth according to Indian Mythology. If you are suffering from lack of understanding in education or lack of learning ability then you should practice the Famous Sarwaswati Mantra.

Here is the Saraswati Mantra which you can practice to develop a high level of learning ability and understanding.

             Om Eem Saraswatiaye Namaha:

             I can bet if you repeat this mantra 21 times daily in the morning with closed eyes, you will definitely feel the benefits of it soon.

           You should also repeat this mantra before starts studding or before any exam. Maa Saraswati will come to bless you if you make a beautiful image of her in mind and pray to her like her son.

ELECTROMECHANICAL ENERGY CONVERSION-I (EMEC-I)


ELECTROMECHANICAL ENERGY 

CONVERSION-I (EMEC-I)

2011-12 

B.TECH

UTTARaKHAND TECH. UNIVERSITY
utu previous year question papers



Time: 3 Hours
Total Marks :100
SECTION A
Attempt any 4 question. Each question carries 5 marks :
  1. Show that the energy stored in a magnetic field is equal to the area between the Ψ-i curve for the system and the flux linkage (Ψ) axis.
  2. Show that the field energy in a magnetic system is given by:
    Wf = 1/2Li2 = 1/2 Ψi = (1/2L)Ψ2.
  3. Distinguish between singly excited and doubly excited systems.
  4. For a singly excited linear magnetic system, derive an expression for the electromagnetic torque.
  5. Define field energy and co-energy.
  6. Why most practical energy conversion devices use magnetic field as the coupling medium between electrical and mechanical systems?

Saturday, 19 January 2013

SIGNALS & SYSTEMS (utu previous year question paper)

SIGNALS & SYSTEMS
B.Tech Examination
SEM-IV,2011
UTTARAKHAND TECHNICAL UNIVERSITY
utu previous year question papers

Time: 3 Hours
Total Marks: 100
Section A
Attempt any four of the following:
  1. With suitable example define the periodic and non-periodic signals.
  2. Differentiate between the following systems:
    (i) Static systems and dynamic systems
    (ii) Stable Systems and unstable systems.
  3. Consider the system : Y(t) = sin[x(t + 2)] determine whether the system is
    (i) Linear
    (ii) Stable
    (iii) Casual
    (iv) Time invariant
    (v) Memoryless.
  4. Check the following system for time invariance
    (i) Y(t) = sin [x (t)]
    (ii) Y[n] = nx[n]
  5. Check the following system for stability
    (i) Y(t) = ex(t)
    (ii) X(n) = An u(n)
  6. Determine the infinite power P and infinite energy E of the following signals:
    (i) X(t) = e-2t u(t)
    (ii) X[n] =(1/2n)u(n)

Saturday, 12 January 2013

NETWORK ANALYSIS & SYNTHESIS ,(NAS)

NETWORK ANALYSIS & SYNTHESIS
(NAS)
B.Tech Examination
SEM.III, 2012-13
UTTARAKHAND TECHNICAL UNIVERSITY(UTU)

Time: 3 Hours
Total Marks  :100
Section A
Attempt any four of the following:
  1. List the essential properties o a linear network systems.
  2. State and explain Thevenin's Theorem. Can a Thevenin theorem be applied to a linear load only? Give reasons in support of your answer.
  3. Define node, cutset, and twig.
  4. Define the properties of driving point impedance function.
  5. List the properties of the Laplace transform and its inverse, explaining time scaling and frequency scaling.
  6. Which of the given polynomial is a Hurwitz polynomial?
    (i)  s3 + 4s2 + 5s +2
    (ii) s4 + 7s3 + 6s2 + 21s + 8

Friday, 11 January 2013

Basic mehanical eng. utu previous year question papers b.tech first year.

Basic mehanical eng.

utu previous year question papers
b.tech first year.

Time: 3 hours
Total Marks : 100
Attempt any four questions:
  1. Draw stress-strain diagram for Aluminium and explain its important points.
  2. What do you understand by thermodynamic equilibrium?
  3. Discuss PMM2 with the help of neat sketches?
  4. Water boil at a temperature of 100oC and pressure of 100 kPa. What will be the pressure inside a cooker in case water boil at 123oC?
  5. A mercury manometer shows a gauge pressure of 100 mm of Hg. In case it is replaced by a water manometer, what gauge pressure in mm of water will be shown by it? Take g =10 m/s2.
  6. A mass of 1.5 kg of air is compressed in a quasi-static process from 1.1 bar to 10 bar according to law Pv1.25 = constant, where v is 1.2 kg/m3. Find the work involved in compression process.

CONCEPTS OF PROGRAMMING &OOPS

concepts of programming &oops
B.TECH EXAMINATION
SEM v, 2011-12
UTTARAKHAND TECHNICAL UNIVERSITY(UTU)

Time: 2 hours
Total Marks : 50
Attempt any four of the following:
  1. What is UNIX? Draw the structure of UNIX and explain its various components.
  2. Write a shell  program that return "Good Morning", "Good Noon", "Good Evening" or "Good Night" depending on the time at which it is returning.
  3. Explain the different shell of UNIX in detail.
  4. Explain the various types of array with a suitable example.
  5. Describe the various control statement with example.
  6. Differentiate between function and procedure. Describe the  various numerical methods also.

Thursday, 10 January 2013

ENGINEERING PHYSICS (utu previous year question papers)


Engineering physics
B.TECH EXAMINATION
SEM III, 2012-13
UTTARAKHAND TECHNICAL UNIVERSITY(UTU)
utu previous question papers


Time: 3 hours
Total marks: 100
Unit -I
Attempt any four of the following:
  1. What do you understand by absolute motion; define inertial and non inertial frames? Explain the Newtonian principle of relativity.
  2. Discuss the non existence of aether using Michelson Morley experiment.
  3. An event occurs at x=100 m, y =10 m, z=5 m and t =100μ sec in frame S. Find the coordinates of this event in a frame S' which is moving with velocity 2.7 x 108 m/s w.r.t the frame S along the common XX' axis using 1) Galilean transformation 2) Lorentz transformation.
  4. State the fundamental postulate of the special theory of realtivity and write down Lorentz's direct and inverse transformation equations. Discuss how these accounts for the phenomenon of length contraction by explaining the concept of proper length.
  5. An iron furnace radiates 1.53 x 105 calories per hour through an opening of the cross section 10-4 sq meter. If the radiation emittance of the furnace is 0.80, calculate the temperature of the furnace. Given σ =1.36 x 10-8 cal/m2-s-K4
  6. State Stefan's law of heat radiation. Describe an experiment to determine Stefan's law.

Wednesday, 9 January 2013

ELECTRONIC DEVICES & CIRCUITS (EDC)

ELECTRONIC DEVICE & CIRCUIT
(EDC)
B.Tech EXAMINATION
SEM III, 2012-13
UTTARAKHAND TECHNICAL UNIVERSITY(UTU)

Time: 3 hours
Total marks: 100
Section A
Attempt any four of the following:
1.    Why space charge region is called as depletion region? Which types of carriers are present in the space charge region?
2.    Discuss the working of Schottky diode and hot carrier diode in brief.
3.    A diode is biased at a current of 1 mA.
(a) Determine the current change if VD changes by 1 mV.
(b) Determine the voltage change if ID changes by 10%.
4.    Give the Barkhausen condition required in order for sinusoidal oscillator to be sustained.
5.    Derive an expression for the voltage gain of a CE transistor amplifier in terms of h-parameters.
6.    What is the advantage of using quaternary alloy in fabricating LEDs?

ELECTRICAL & ELECTRONICS ENGINEERING

ELECTRICAL & ELECTRONICS ENGINEERING

B.TECH EXAMINATION
SEM IV, 2011
UTTARAKHAND TECHNICAL UNIVERSITY

Time: 2 hours

Total marks:50
Section A

Attempt any four question:
  1. What are miller indices? Sketch the planes (0 1 1), (1 0 0) and (1 2 1) on FCC crystal.
  2. Copper has a FCC structure and its atomic radius is 1.278 A. Calculate the density of copper. Given atomic weight of copper = 63.5.
  3. Derive the atomic packing factor for HCP crystal.
  4. State Bragg's Law and show how it can be used to determine lattice parameters.
  5. Explain with diagrams point, line and surface imperfections.
  6. Write a short note on bonding in solids.

Monday, 7 January 2013

DIGITAL SIGNAL PROCESSING (utu previous year question paper)

DIGITAL SIGNAL PROCESSING
SEM-V, 2011,12
B.TECH EXAMINATION
UTTARAKHAND TECHNICAL UNIVERSITY
(UTU)


Time: 3 hours
Total marks:100
Section A
Answer any four parts of the following:
  1. What do you understand by digital signal processing? Explain the advantage and application of digital signal processing.
  2. Find the response of an FIR with impulse response h[n] = [1,2,4] to the input sequence x[n] = [1,2] using Linear transformation method.
  3. State and prove the following properties of DFT.
    (a) Circular time reversal
    (b) Circular time shift
  4. Compute circular periodic convolution of the two sequences x1[n] = [1,1,2,2] and x2[n] = [1,2,3,4] using DFT & IDFT method.
  5. State and prove "circular convolution" property of DFT.
  6. Compute N point DFT of
    x(n) = {1,1,2,2,3,3} and compute the corresponding amplitude and phase spectrum.

Saturday, 5 January 2013

Utu previous year question paper sub:- Electronic Measurement and Instrumentation

Utu previous year question paper
sub:- Electronic Measurement and Instrumentation
B.tech sem III 



time 3 hrs
total marks 100}

Q1:- Attempt  any four parts of the following .
1.       Differentiate between the following terminology
(i)        Reproducibility and Drift
(ii)       Dead zone and Hysteresis.
2.       Discuss the advantages and disadvantages associated with capacitive transducers.
3.       Explain the working principle of Kelvin Bridge.
4.       Mention the merits and demerits of digital measurement over analog measurements.
5.       Explain how measurement of high resistances can be done.
6.    Classify transducers by taking suitable examples and mention their area of application.


ENGINEERING ECONOMICS & COSTING



engineering economics & costing

B.tech
sem iii, 2012-13
UTTARKHAND TECH. UNIVERSITY 
 utu previous year question papers


Time: 3 Hours
Total Marks :100
Attempt any 4 question. Each question carries 5 marks :
  1. Mr. Vinay plans to send his son for higher studies abroad after 10 years. He expects the cost of these studies abroad after 10 years. He expects the cost of these studies would be Rs. 1,00,000. How much should he save annually to have a sum of Rs. 1,00,000 at the end of 10 years, if the interest rate is 12 %.
  2. At the time of his retirement , Mr. X is given a choice between two alternatives:
    (a) An annual pension of Rs. 10000 as long as he lives 
    (b) A lump sum amount of Rs. 50000.
     If Mr .X expects to live for 15 years and the interest rate is 15 percent, which option appears more attractive?
  3. What amount must be deposited today in order to earn an annual income of Rs. 5000 beginning from the end of 15 years from now? The deposit earns 10 % per year.
  4. What do you understand by time value of money?
  5. Raghu borrows Rs. 80000 for a musical system at a monthly interest rate of 1 %. The loan is to be repaid in 12 equal monthly installments, payable at the end of each month. Prepare the loan amortization schedule.
  6. You want to borrow Rs. 1500000 to buy a flat. You can approach a housing company which charges 13 % interest. You can pay Rs. 200000 per year towards the loan amortization. What should be maturity period of the loan?