Rajasthan Technical University 2011-1st Year B.Tech 1st st sem English (/-) - Question Paper
9
Total Printed Pages : | 4~j
Roll No.
B.Tech. (Sem. I) (Main/Back) Examination, January/February - 2011 English
(Common to All Branches of Engg.)
[Total Marks: 80 [Min, Passing Marks: 24
Time: 3 Hours]
Attempt overall five questions selecting one question from each Unit. All questions carry equal marks.
Use of following supporting material is permitted during examination. (Mentioned in form No. 205)
Nil
1.
Nil
(a) Attempt a summary of 'The Gift of the Magi by O. Henry.
(b) What did Mrs. Myers tell Miss Jones about her fortune? Did the prediction come true?
(c) What does the nightingale have to actually do to make a red rose bloom?
5
(a) Narrate Mr. Maclearys story from the day he thinks of Mrs. Myers to the day when his wife leaves him.
(b) Draw the character sketch of either Jim or Della.
(c) What does the nightingale symbolize in the story? Also name the writer of the aforesaid short story?
4
(a) Attempt a summary of the short story The Accompanist.
(b) Describe Dr. Heideggers study.
(c) Explain the meaning of the three different coloured stones set in the ring. What price did Sindhu ask for the third goat?
4
2 (a) How did Sindhu finally manage to marry the landowners
daughter? Explain.
8
(b) Describe the scene at the time the son of the instrument maker went to deliver the instrument to Ustad Rahim Khan.
4
(c) Attempt a character sketch of widow Wycherly.
4
3 (a) Compare the characters of the speaker and the neighbour
in the poem Mending Wall.
(b) Comment on the theme of the poem Death the Leveller.
5
(c) Why is sitting in a dentists chair both physical and mental torture? What is the effect of using the word dental'?
5
3 (a) Who are the unruly hounds' ? What is a 'quarry' ? How can knowledge be compared to a quarry?
(b) Why is the tail of scorpion called diabolic? What do the last two lines tell you about the poets mother?
5
(c) What is the point of comparison between the mouth and the section of the road? How does this relate to your idea of the work of the dentist?
(a) Comment on the title of the play The Dear Departed. How does Mr. Abel Merryweather get the better of his daughters?
(b) Why does Wasserkopf want his money back? Which question does Wasserkopf answer well?
(c) Attempt a character sketch of Mrs. White in The Monkeys Paw.
(a) Compare and contrast the characters of Amelia and Elizabeth.
(b) Discuss the teachers plan to outsmart Wasserkopf. Describe how they implement the plan.
(c) How does the monkeys paw ruin the White family?
(a) Some books are to be tasted, others to be Swallowed and some few to be chewed and digested/ - Explain.
(b) List the main ideas of the essay Toasted English.
(c) Comment on the title Third Thoughts. Why did the narrator think of sending some amount of the profit to the dealer?
[Contd...
OR
3
1E10211
Total Printed Pages
Roll No. :
B. Tech. (Sem. I) (Main/Back) Examination, January/February - 2011 Physics -1
(Common to all Branches of Engg.)
[Total Marks: 80 [Min. Passing Marks: 24
Time: 3 Hours]
Attempt overall five questions selecting: one question from each unit. All questions carry equal marks.
Use of following supporting material is permitted during examination. (Mentioned in form No. 205)
1.
Scientific Calculator
(Non-Proqrammable)
2.
Nil
(i) Explain the working of Michelsons interferometer. How it is used to measure the difference in the wavelength between the D lines of sodium light?
(ii) Michelson interferometer experiment is performed with a
O O
source which have two wavelengths 4882 A and 4886 A . By what distance does the mirror have to be moved between positions of disappearance of fringes?
4
(in) Write short note on Interference filters.
4
(i) Explain the formation of Newtons rings in reflected light. Why Newtons rings are circular in shape, Explain.
(ii) Light containing two wavelengths and X2 falls normally on a piano convex lens of radius of curvature R resting on a glass plate. If the 11th dark ring due to X1, coincides with
the (n+l)t h dark ring due to X2> prove that the radius of the
n,h dark ring of is jx1-X2'
(iii) Write short note on Anti-reflection coating.
' 4
(i) Show that plane polarised and circularly polarised light are the special cases of elliptically polarised light.
(ii) Intensity of light through a polariser and analyser is maximum when their principal planes are parallel. Through what angle the analyzer must be rotated so that the intensity gets reduced to 1/4 of the maximum value.
(iii) What is Malus Law?
(i) Describe the construction and working of Laurents half shade polarimeter.
(ii) What are quarter wave and half wave plates? - Explain.
(iii) 80 gm of impure sugar when dissolved in a litre of water, gives an optical rotation of 9.9, when placed in a tube of length 200 mm. If the specific rotation of sugar is 66 degree/dm / (gm/cc), find the percentage purity of sugar sample.
4
E1023] HUH | | || | HI 11! 2 ' [Contd...*
* 1 E 1 0 2 3 *
Find out an expression for intensity at, a pomt, in the Fraunhofer diffraction due to a single slit. Draw the intensity distribution curve.
The width of a slit is 0.012 mm. Monochromatic light is incident on it. The angular position of first bright Line is 5.2. Calculate the wavelength of incident light.
What is difference in Fresnel's and Fraunhofer diffraction?
OR
Show that the intensity of light diffracted from a plane transmission grating is given by
j j. /'sina 'V f sinN$ |2 Where symbols have their usual meaning.
' o 1
A diffraction grating just resolves lines 4547.27 A and 4547.98 A in third order. Will it resolve lines 6437.48 A and 6437.95 A in the first order?
Explain Rayleigh criterion of resolution.
Obtain an expression for shift m wavelength of the scattered photon by Compton scattering
8
In compton experiment the wavelength of x-ray radiation scattered at an angle of 45 is 0.022 A. Calculate the wavelength of the incident x-rays.
Give physical interpretation of wave function.
OR
#
(i) Write down Schrodingers equation for a particle confined in a one dimensional box. Obtain the wave function for a particle confined in this box.
(ii) A particle is moving in one-dimensional potential box (of infinite height) of width 25 A. Calculate the probability of finding the particle within an interval of 5 A at the centres of the box when it is in its state ot least energy.
(iii) Explain normalized and orthogonal wave functions.
4
(i) State the postulates of special theory of relativity and deduce from them the Lorentz Transformations.
(ii) Rocket vV travels towards the light and rocket B travels to the left, with velocities 0.8 c and 0.6 c, respectively relative to the earth. What is the velocity of rocket A' measured from rocket B?
4
(iii) Describe experiment verification of time dilation.
4
OR
(i) Derive Einsteins mass energy relation and explain its importance.
(ii) Prove that particle having rest mass zero is always move with velocity of light.
(iii) If P and E represent the momentum and energy of a particle,
( e2)
P2
,2
V
then show that, under Lorentz Transformations,
* ,
is an invariant.
E102 I lllllll ill 111 111 111 4
[ 54000 ]
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Total Printed Pages:
Roll No.
B.Tech, (Sem. I) (Main/Back) Examination, January/February - 2011
Engineering Chemistry-1 (Common to All Branches of Engg.)
-
Time: 3 Hours]
[Total Marks: 80 [Min. Passing Marks: 24
Attempt any five questions selecting one question from each Unit. All questions carry equal marks.
Use of following supporting material is permitted during examination. (Mentioned in form No. 205)
1.
Nil
2.
Nil
(a) What are the requisites of water for municipal water supply? Explain the various processes involved in purification of raw water for domestic use.
4+4
(b) Explain break point chlorination in detail and give its advantages over other methods of chlorination.
(a) What is hardness of water? How it is determined by EDTA method?
(b) 1 gram of CaC03 was dissolved in dilute HC1 and the solution was diluted to 1 litre. 100 ml of this solution required 90 ml of EDTA solution while 100 ml of sample water required 40 ml of EDTA solution. On the other hand 100 ml of boiled water sample when titrated consumed 20 ml of EDTA solution. Calculate temporary, permanent and total hardness of this water sample in ppm of CaCo3 equivalents.
IE 1026]
[Contd...
2 (a) Discuss in detail the process of softening hardwater by lime-soda process. Also give the chemical reactions involved in the process.
(b) Analysis of water sample gave following results CaS04 = 0.4 g/1 MgCO;} = 0.44 g/1 CaC03 = 2.00 g/1 MgSO j = 0.80 g/1 MgCl2 = 0.78 g/1 Si02 = 2.40 g/1 NaCl = 2.50 g/1
Calculate the amount of lime and soda required to soften 20,000 litres of water. If purity of lime is 90% and that of soda is 95%.
8
2 (a) Explain zeolite method of water softening in detail, give also
the comparison of zeolite method with lime-soda process.
4+4
(b) Write short note on (any two) :
(i) Caustic embrittlement
(ii) Scale of sludge
(iii) Priming and foaming
(iv) Calgon conditioning.
4+4
3 (a) Write preparation, properties and uses of (any two)
(i) Bakelite
(ii) Nylon
(iii) Polyethylene
(iv) Terylene.
(b) Give classification of polymers in detail.
OR
3 (a) What are elastomers? Why vulcanization of rubber
so important? Explain giving suitable examples.
(b) Describe the method of preparation, properties and applications of (i) Buna-S and (ii) Buna-N rubber.
4+4
UNIT-IV
4 Describe the manufacture of portland cement with diagram and chemical reactions involved. Discuss the role of gypsum in portland cement.
16
OR
4 (a) What is glass? Describe the chemistry involved in the formation of glass.
(b) Write short note on : (any two)
(i) Laminated glass
(ii) Borosilicate glass
(iii) Optical glass
(iv) Glass wool.
UNTT-V
5 (a) What are refractories? Give essential requirements of a good refractory.
(b) Write short note on ;
(i) Fire clay refractories
(ii) Silica refractories.
4+4
OR
3
(b) If the side and angles of a plane triangle ABC vary in such a way that its circumradius remains constant, then prove that :
5a 5 b 8c
cos A cos B cos C
where, Sa,5fc and Sc are small increments in sides a, b and c respectively.
4 (a) Find the maximum value of u, where u = sin x sin,y sin(x + y)
(b) Find the Maxima and minima of u = x~ + y2 + z2 subject to
the conditions ax2 +by2 + cz2 - 1 and lx + my+nz = 0. Interpret the result geometrically.
(a) Find the length of the arc of the parabola x2 = 4ay from the vertex to an extremity of the latus rectum.
(b) Find the surface area of the solid generated by the revolution of the astroid x2/3 + y2/3 = a2/3 about the x-axis.
(a) Evaluate the following integral by changing to polar coordinates :
6
1 _
0 x
8
(b) Show that :
o
B(m,n) = ambri J
(ax + b)m+n Km + n)
r v c i 2 *
m-1
m I n
x
8
*
2 (a) Define angle of friction and angle of repose.
(b) Determine the horizontal force P applied on wedge B to raise block A' of weight 4500 N. The coefficient of friction may be taken as 0.2 on all surfaces. (Fig. 2)
12
OR
2 (a) Explain the principle of virtual work.
(b) Two beams AE and BD are supported by roller B and C as shown in figure 3. Determine the reactions at points B and D using the method of virtual work.
h-
%
-
&
2SoaJ ~*"j 6oo
12
Fig. 3
A differential wheel and axle system raised a load of 60 N by an effort of 6N. If the efficiency at this load is 80%, find the velocity ratio of the machine. If the diameter of effort wheel is 300 mm, determine the diameter of each axle. The sum of the diameters of axle is 280 mm.
3
(a)
8
(b)
Two parallel shafts whose centre lines are 4.8 m apart are connected by an open belt drive. The diameter of larger pulley is 1.5 m and that of smaller pulley is 1 m. The initial tension in the belt is 3.0 kN when stationary. The coefficient of friction between the belt and pulley is 0.3. If the smaller pulley rotates at 400 rpm, determine the power transmitted.
OR
A circular hole of diameter 15 cm is cut from a rectangular section of size 20 cm x 30 cm as shown in Fig. 4. Find the moment of inertia of this section about a hoiizontal x-x axis passing- through its centroid.
T
IfljCin-'-
Fig. 4
(b) The boundary of an elliptical lamina is represented by
i
x~ ,
2 + /2 a b
Determine the moment of inertia of this lamina about the minor axis.
(a) Explain the difference between rectilinear and plain curvilinear motion.
A particle moves with curvilinear motion has coordinates x = It2 - 4/
and v = 3/ -
3
Determine the magnitudes of the velocity V and acceleration a at time t = 2 sec.
(b) A balloon weighing W newton descends with an acceleration of a. If weight w is removed from the balloon, the balloon has upward acceleration of a. Show that *
2 a W
tt + g
where g is acceleration due to gravity.
OR
(a) Define the terms Trajectory and Range for projectile motion. A particle during its projectile motion reaches height h in time t}. Again it reaches this height 7zin time meausred
from start. Show that the height of point % is ghh-
Total Printed Pages : j 3 |
Roll No.:
B. Tech. (Sem. I) (Main/Back) Examination, January/February - 2011 Computer Programming & IT (Common to all Branches of Engg.)
-
Time: 3 Hours]
[Total Marks: 80 [Min. Passing Marks : 24
Attempt overall five questions.
All questions carry equal marks.
Use of following supporting material is permitted during examination. (Mentioned in form No. 205)
Mil
1.
Nil
1 (a) Design and explain the architecture of computer,
8
8
(b) What is difference between ROM and PROM?
1 (a) What do you mean by Language Translators? Explain with
example.
(b) Write difference between high level, assembly and machine language.
2 (a) Calculate r's and (r-1) complement of (42), n.
(b) Convert (1000)2 to Gray code.
4
(c) Represent the following numbers in sign magnitude, l's complement and 2s complement representation. Assume word length = 16 bits :
(i) (+34) I0
(ii) (-38.2) ]0 ' (in) (-76.8) 10
(iv) (+45) 10
3 (a) Write a program of add two numbers and explain this program step by step with the help of flow chart.
(b) What are the data types in C? Explain with examples.
3 (a) What are the advantages and disadvantages of C language?
(b) What is the difference between Constant and Variable?
4 (a) Write a program to check the input number is prime or not.
5
(b) What is difference between while and do-while loops?
5
(c) Write a program in C to print the sum of the following series :
x X X'
X---1-----h ,
3! 5! 7!
4 (a) Explain Memory allocation for 2-D arrays.
(b) Explain the function fopen() used to open a file in C. What are the difference modes associated with fopen( ) ? Explain meaning of each one.
[Contd.
5 (a) Write a program to read a character and check whether it is vowel or not?
(b) What is the difference between pointer and structure?
5 (a) What do you mean by function? How many types of functions are available in C?
(b) Write a program to swap two numbers using pointer.
IE 10241 HI HI IIIMIII || [ 51000 1 '
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