Previous Question Papers Of Kurukshetra University B.Tech

Tell me from where I can download Kurukshetra University B.Tech first year PHYSICS-II subject model question paper as a PDF format as soon as possible???

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You are looking for Kurukshetra University B.Tech first year PHYSICS-II subject model question paper, here I am giving:
KU B.Tech Ist year Physics II paper
PHYSICS-II
UNIT-I
1. (a) Discuss in details experimental X-ray diffraction methods.
(b) Give elementary ideas of quarks and gluons.
2. (a) ‘Space lattice is a mathematical abstract’. Comment.
(b) Discuss the structure of diamond and calculate packing efficiency.
(c) What are hydrogen bonds? Explain and also give examples.
UNIT-II
3. (a) Differentiate between GROUP VELOCITY and PHASE VELOCITY. Prove
that phase velocity of a non-relativistic free particle is 50% of the Group
Velocity.
(b) Write a short and to the point on Plank’s constant.
4. (a) Derive both the time independent and time dependent Schrödinger’s
wave equations for a non-relativistic free particle.
(b) The wave function of a free particle cannot be normalized. Comment.
UNIT-III
5. (a) Discuss a suitable model which describes the motion of electrons in
periodic potentials.
(b) What do you mean by the terms: Effective mass Brillouin Zones?
6. Define Fermi energy and derive an expression for the same. Also explain
its variation with temperature.
UNIT-IV
7. (a) What is photoconductivity? Give a simple model of an intrinsic
photoconductor and explain the effect of illumination.
(b) What is the effect of traps on photoconductivity? Explain fully.
8. Write short notes on any three.
(a) Classical theory of paramagnetism
(b) London’s Equations
(c) Photovoltaics
(d) Orbital diamagnetism

Sir I am looking for the previous question papers of Kurukshetra University for the B.Tech thermodynamics paper

[Kiran Chandar]

Kurukshetra University is a university established on 11 January 1957 in Kurukshetra in the Indian state of Haryana, 160 kilometres from the capital, Delhi.

It is a member of Association of Commonwealth Universities


B.Tech Thermodynamics Paper

ME-201E

TIME : THREE HOUR] [Maximum Marks : 100

Note: Attempt Five questions in all, selecting at least one question from each unit. All
questions carry equal marks. Use Of only scientific calculator allowed. Use of only
scientific calculator allowed. Use of steam table and Moliere charts allowed

Unit I

1. (a) Define and explain thermodynamic system ,surrounding and boundary .

(b) Explain the concept of thermodynamic equilibrium .

2. (a) Explain the concept of an ideal gas

(b) The average skin temperature of a person standing in a room is 35 C. The walls of
this room are at 25 C .what is the rate of radiation energy flux from this person if the
emissivity of the skin is assumed to be 0.96

Unit II

3. A heat exchanger is to be designed for cooling oil flowing at a rate of 0.7 kg/s
from 170 C to 110 C . The air at inlet temperature of 25 C enters into the heat
exchanger and leaves at 100 C . The heat exchanger is well insulated .Assuming no
change in kinetic and potential energy across both hot and cold streams , determine
the mass flow rate of air .Assume CP,OIL = 1.8 KJ/ Kg –K , Cp air = 1.005 KJ/kg-k

4 (a) Explain the limitation of First Law

(b) An inventor claims to have been designed and developed a new engine that can
produce 45 kW of power by absorbing 52 Kw of heat from a thermal reservoir at 700
k while rejecting heat from a thermal reservoir at 700 k while rejecting heat to another
thermal reservoir at 300K ascertain validity of the claim

Unit III
5 (a) Explain the principle of Entropy .

(b) Explain third law of thermodynamics.

6 In a power plant , 1 kg\s of superheated steam enters into steam turbine at 3 Mpa
and 300 C and leaves it after getting expanded with saturated vapour at 10 KPa .
assuming the flow to be steady , determine (i) actual power output , (ii) maximum
possible output , (iii) second law efficiency (iv) availability of steam at inlet
conditions and (v) isentropic efficiency ( first law efficiency ) . The surrounding air is
at 100 kPa and 298 K . Assume negligible changes in kinetic and potential energies.

Unit IV

7 (a) Write a note on saturated Super- heated Steam.

A (b) Explain P-V and P-T plots during steam formation

8 (a) State and explain T-ds relations

(b) Derive thermodynamic relation known as clapeyron equation