CHEMISTRY – 2005 PAPER- I, SECTION – A, SECTION – B

                       Time allowed: three Hours    maximum marks: 200

Candidates should attempt question 1 and 5 which are compulsory, and any Three of the following questions selecting at least one question from each section.

SECTION – A

1.       Answer any FOUR of the following:-

(a)    What are the four quantum numbers? Show that these are not same for Cu atom,

(b)   Explain the terms order and molecularity of a reaction by considering the reaction of eater hydrolysis.

(c)    Draw the shapes of s, p, and d orbital’s, show their directional characteristics

(d)   Explain why H₂O exists as solid ice, liquid as well as gas whereas H₂ S exists as gas only.

(e)   What are the crystal types of NaCI and CsCI and explain the difference.

2.       (a) derive an expression for the energy of  particle in a box ( one dimensional only)

                               (b) Draw molecular orbital diagram of CO and its valence bond picture explaining its bond order and back bonding character.

3.       (a) Explain the difference between a conductor, semiconductor and insulator on the basis of band theory. How additions of an impurity affects the behavior of a pure metal/ crystal?

                              (b)  Derive expressions for work done against:

(i)                  Constant external pressure and

(ii)                Isothermal reversible expansion of n ideal gas showing that the work done depends on initial and final states only.

4.       (a) In want respects phase diagram of binary system differs from one component system considering a suitable example?

                             (b) What is electrochemical series? Explain how it helps to determine reducing and oxidizing properties of specie. Calculate e.m.f. of an electrochemical cell

 Mg(s) + Cu ²⁺ (aq)    → Mg² (aq) + Cu(S)

Given that half cell potentials of

Mg² (aq) + 2e → Mg(s) and

Cu² (aq) + 2e   → Cu (s)

Are – 2.360 and 0.337 V respectively.

SECTION – B

5.       Answer any FOUR of the following:

(a)    What is the difference between adsorption and absorption? Explain with a suitable example foe each.

(b)   Explain photosynthesis and show with the help of a suitable experiment that CO₂, H₂O and sunlight are essential.

(c)    Show that ammonia behaves as solvent with suitable examples for neutralization and complex formation reactions.

(d)   In what respect lanthanides are different than actimides especially with regard to their occurrence, and oxidation states?

(e)   Discuss the structure of Ni (CO)₄

6.       (a)  What are the various postulates of crystal field theory? Draw the crystal field splitting of 3d orbitsals in presence of six ligands to form octahedral geometry. Calculate crystal field stabilization energy and magnetic moments for d⁴ and d⁵ configurations in presence of H₂O and CN- as ligands.

                             (b)  Write brief notes on the following with suitable example data: - (i) Chain reactions (ii) Lanthanide contraction.

7.       (a) What are the various types of metal carbonyls? Explain the bonding characteristics of metal carbonyls. Give an example each for mono, di- and tricarbonyls and draw their structures.

                                (b) What do you understand by thermodynamic and kinetic stability of complexes? Explain the terms ‘inert’ and ‘labile’ with a suitable example for each.

8.       (a) explain the following terms briefly with suitable example:-

(i)                  Super acids

(ii)                Metal atom clusters.

                                  (b)   What is first order reaction? Derive an expression for half life of first order reaction. Draw the nature of plot between logs [N₂ O₄] against time in the first order decomposition of N₂O₄.

ANIMAL HUSBANDRY AND VETERINARY SCIENCE -2005PAPER- II

                      Time allowed: Three Hours    Maximum marks: 200

Candidates should attempt questions 1 and 5 which are compulsory, and any Three of the following question selecting at least ONE question from each section.

SECTION – A

1.        Write short notes’ on any four of the following in about 150 words each:

(a)    Synovial joints

(b)   Antineoplastic chemotherapeutic agents

(c)    Colisepticaemia in calves, lambs and kids

(d)   Cytoplasmic cell inclusions (pigraments and pathogens)

(e)   Edible  casein, its standards (BIS) and manufacturing method

2.       Classify placenta. Describe vascular supply and functional structural relationship.

3.       Discuss the comparative aspects of the protocol for the caesarean section in dog and cow.

4.       (a) Describe the constraints in the transfer of technology with practical solutions.

                                (b)  Discuss the structure, composition and nutritive value eggs.

SECTION – B

5.       write short notes on any four of the  following in about 150 words each:

(a)    Heart sounds and murmurs

(b)   Equine infectious anemia

(c)    Diagnosis and control of paratuberculosis

(d)   Microbial spoilage of eggs

(e)   Adulteration of meats and its detection.

6.       Discuss the patho- epidemiology and Zoonotic risks of listeriosis. Describe clinical signs, lesions, diagnosis, treatment and control of this disease in goats.

7.       (a) Describe the collection and preparation of tissues for histopathological examination, step- wise.

                               (b) Discuss the disease profile and diagnostic plan of various forms of hypomagnesaemia tetany in ruminants.

8.       (a) Describe the theories of churning in butter manufacture.

                              (b)  Write down definition, standards (PFA) and detailed method of manufacture of recombined milk.

ANIMAL HUSBANDRY & VETERINARY SCIENCE- 2005 PAPER- I

                        Time Allowed: Three Horus     maximum Marks:  200

Candidates should attempt questions 1 and 5 which are compulsory, and any Three of the following question selecting at least ONE question from each section.

SECTION – A

1.         write short notes on any FOUR of the following in not more than 150 words:-

(a)    Greenhouse gases and global warming.

(b)   NPN utilization in cow and pig.

(c)    Apparent digestibility and true digestibility

(d)   Mendelian principles.

(e)   Biological  methods used  for feed utilization

2.       (i) What are the colostrums? Give its compositions. Describe significance of feeding colostrums to newly born calves.

               (ii) Discuss feeding of dairy animals in natural calamities what precautions should be taken to overcome scarcity of feed and fodders?

3.       What is a balanced ration? Formulate a ration along with concentrate mixture for a cow having 400 kg body weight and yielding 12 kg milk of 4.0 percent fat based on protein and energy requirement.

4.       Describe the following :

(a)    What is growth? Give chemical composition of animal body at different stages of growth.

(b)   Physiology of egg formation in poultry.

(c)    Give composition of frozen semen. How A.V. is prepared?

(d)   Micro and Macro climate.

SECTION –B

5.       Write short notes on any FOUR of the following in not more than 150 words:

(a)    Osteomalacia and osteoporosis

(b)   Breed synthesis with examples.

(c)    Oectrus cycle and its role in animal production.

(d)   Factors affecting semen production and quality preservation.

(e)   Protein and energy requirements during different stage of growth in chicken broilers.

6.       Discuss various systems of breeding with their merits and demerits. Which system is suitable for India dairy animals?  What breeding system should be used for producing draught animals?

7.       (i)  Describe current, status of feeds and fodders availability and requirement in India in terms of quantity and quality.

               (ii)  A farmer wants to start a dairy farm with 15 lactating buffaloes and their followers. Calculate the requirement for land, capital, building, feed and fodder.

8.       (i) Discuss the role of carbohydrate and fat as sources of energy.

                     (ii) Discuss the role of water and minerals in animal body.

ZOOLOGY – 2005, PAPER – II, SECTION – A,SECTION – B

                            Time allowed: three hours     maximum marks: 200

Candidates should attempt questions 1 and 5 which are compulsory, and Any Three of the following questions selecting at least ONE question from each section.

SECTION –A

1.       Distinguish between any four of the following (each answer may be in about 150 words):

(a)    Primary and Secondary iysosome

(b)   Non-overlapping and Overlapping code

(c)    Klinefelter’s and turner’s syndrome

(d)   Allopatric and sympatric speciation

(e)   Genus and species

2.       (a) Describe how the fluid mosaic model of cell membrane is suited to its functions.

3.       Explain the structure and role of plasmids and cosmids in cloning.

4.       Write notes on the following:

(a)    Methods of speciation

(b)   Reasons for discontinuous distribution of animals

(c)    Binomial nomenclature

(d)   Five-kingdom system of classification of whittaker

SECTION – B

5.       Distinguish between any four of the following (each answer may be in about 150 words):

(a)    Lipids and Fatty acids

(b)   Impulse conduction within a Nerve and Between Nerves

(c)    Neoteny and Neoplasia

(d)   Induction and Invagination

(e)   Role of hormones in pregnancy and Parturition

6.       Describe the structure of the different types of RNA. Add a note on their functions.

7.       Describe two different examples for two different mechanisms of actions of hormones.

8.       Write notes on the following:

(a)    In vitro fertilization

(b)   Role of cytoplasm in development

(c)    Role of ecdysone and juvenile hormone in insect metamorphosis

(d)   Influence of yolk on cleavage patterns

ZOOLOGY – 2005, PAPER – I, SECTION – A,SECTION – B

Time Allowed: Three hours    maximum marks: 200

Candidates should attempt questions 1 and 5 which are compulsory, and Any Three of the following questions selecting at least ONE question from each section.

SECTION – A

1.       Write briefly on any Four of the following in not more than 150 words each:

(a)    Radiate and its position in animal kingdom

(b)   Compare the heart of frog with that of bird

(c)    Formation of coral reefs

(d)   Thyroid and its hormone

(e)   Nematocysts – structure & mechanism of action

2.       (a) Discuss the general characteristics of Peripatus and comment on its affinities.

(b) Describe the salient features of phylum Mollusca and classify the same up to classes citing distinguishing characters and examples.

3.       (a) Give an account of the larval forms of Echinodermata and add a note on their significance.

(b)   Describe the general features and life history of Fasciola and add a note on its relation to man.

4.       Give an illustrative account of the organs, mechanism and physiology of respiration in fishes.

SECTION –B

5.       Write notes on any FOUR of the following in not more than 150 words each:-

(a)    Biological rhythms

(b)   Role of pheromones in alarm spreading

(c)    Cholera- its vector, pathogens and prevention

(d)   Chi square test

(e)   Integrated pest management.

6.       Describe the detail the ecological succession and add a note on its significance.

7.       (a)  What is polymorphism? Explain this phenomenon with reference to termites and honey Bess. Add a note on its significance.

                                       (b)  Explain how Silk is cultured in India and add a note on its economic importance.

8.       (a)  Give an account of the principle and working of the transmission election microscopy.

(b)  Citing suitable examples explain how the measures of central tendency and applied in biostatistics.

CHEMICAL ENGINEERIGN – 2004, PAPER-I, SECTION – A

                      Time Allowed: Three Hours           maximum Marks: 200

Candidates should attempt Questions 1 and 5 which are compulsory and any THREE of the remaining questions, selecting at least ONE question form each section. If any data is considered insufficient, assume suitable values.

SECTION – A

1.       Answer any four of the following:

(a)    (i) What is the time dependent flow? With the help of this phenomenon, explain the meaning of Thyrotrophic liquid and Rheopeptic substances.

(ii)  Write the power law equation for dilatants and pseudo plastic fluids, and explain the terms ‘flow consistency index’ and ‘flow behavior index’.

(b)   Derive an equation for steady conduction in the radial direction of a hollow cylinder. From the equation, explain the term log-mean radius. Under what condition, can the log-mean radius be replaced by arithmetic mean radius?

(c)    In a double pipe heat exchanger, an hour fluid is cooled from 150 to 100˚C by using cold water, which is heated form 30 to 50˚C. Derive a suitable expression to prove that there is a distinct advantage of using it in parallel flow.

(d)   Explain how thermal condition of feed influences the column. What common factor can be used for characterizing five different feed conditions? From the value of this common factor, explain the meaning of horizontal & vertical feed lines.

(e)   Explain the phenomenon of primary nucleation in the process of crystallization, and illustrate the difference between homogeneous and heterogeneous nucleation.

2.       (a) For an incompressible fluid, write the Bernoulli equation for frictionless flow. What correction would you apply for incorporating fluid friction? Explain the difference between skin friction and form friction.

(b) What is terminal velocity? Write the equation for terminal velocity for the flow of a single particle through a fluid under the action of (i) gravity and (ii) centrifugal force.

How is the equation for terminal velocity under free setting condition modified for hindered setting conditions?

(c) What is a ball mill? Derive an equation for the critical speed of a ball mill.

(d) What is a venturimeter? Describe the principle of working of a venturimeter and write an expression for the venture coefficient.

3.       (a)  An air water system has a dry bulb temperature of 65.5˚C and a wet bulb temperature of 54.5˚C.

(i)                  If the air cooled to 37.8˚C, what per cent of the moisture will condense?

(ii)                If the air is again heated to 65.5˚C, how much heat will be required per kg of dry air? Specific heat of air= 0.23 kcal/ (kg˚C)

(b) A spherical particle of ethanol of 10mm diameter is evaporating in an air stream at 26˚ C. The thickness of the stagnant air surrounding the particle is 1.5 mm. Vapour pressure of ethanol at 26 ˚C is 60 mm Hg and the mole fraction of ethanol in the main stream of the air is 0.005.  The diffusion coefficient of ethanol in air is 1.04 x 10ˉ⁵ m² /sec and the value of R is 82.06 x 10ˉ³ m³ atm/kg moles. Determine

(i) The mole fraction of ethanol at different positions across the stagnant layer.

(ii) Rate of evaporation of the particle per second.

(c)  What are different types of pickings that are used in an absorption tower? Explain a simple procedure for calculating the height of a packed tower for absorption of a single component form a gas mixture.

(d) What is critical moisture content? Describe the method for drying of a wet solid before it reaches the critical moisture content.   

4.       (a) Develop a relation between heat transfer and fluid friction by using the Reynold’s Analogy.

(b) (i) What is a radiation shield? How does it help in reducing radiant heat loss?

(ii)  A double walled spherical container is used for storing liquid oxygen. The diameter of the inner and outer walls of the container is 30 cm 36 cm, respectively. The surfaces of both the spheres are plated, so that their emissivity is 0.05. Determine the rate at which oxygen will evaporate at -183˚ C, when the outer wall of the sphere is maintained at 20˚C. Latent heat of evaporation of oxygen is 57.2 kcal/ kg

(C) What are drop wise and film wise condensation? Mention the conditions that favour drop wise condensation. Describe how the heat transfer coefficient in a vertical condenser is influenced by the height of the condenser.

(d) What is effectiveness of a heat exchanger? Derive a relation between the effectiveness and number of transfer units for a counter- current heat exchanger.

CIVIL ENGINEERING – 2004, PAPER- II, SECTION – A

                   Time Allowed: Three Hours                    maximum Marks: 200

Candidates should attempt Questions I and 5 which are compulsory and any THREE of the remaining Questions, selecting at least ONE questions from each section. If any data is considered insufficient, assume suitable values. Newton may be converted to kg using the equality 1 kilonemwton (1kN) = 100 kg, if found necessary.

SECTION – A

1.       Answer any four parts:

                                        (a)     Explain briefly the role of C₂S, C₃S, C₃A and C₄AF compounds on the properties of concrete.

                                        (b)   Discuss the following with respect to chain and compass survey:

(i)                  Selection of survey stations

(ii)                Selection of survey lines

(iii)               Taking offsets

(iv)              Recording the field book

              (c)   State the necessity and objects of highway planning. Write the advantages of preparing Master-plan of a road.

              (d) Discuss the requirements of an ideal permanent way

            (e)  Explain the following terms:

(i)                  Activity

(ii)                Event

(iii)               Total Float

(iv)              Free float

2.       (a) Compare:

(i)                  Wheel Tractor with Crawler Tractor

(ii)                Power shove with Hoe

          (b) What is creep? What are the effects of creep? Discuss various preventive measures that can be taken.

Which portion of track is more susceptible to creep?

           (c) (i) How is a phototheodolite different from an aerial camera?

(iii)               Write a short note on photomaps and mosaics

(a)        Calculate the optimum cost and optimum duration for the jobs of network given in the table. Indirect cost is Rs. 1000 per day.

Activity	Normal		Crash
	Time days	Cost Rs.	Time  days	Cost Rs.
1-2	5	4000	4	5000
1-3	7	8000	3	10000
2-3	6	6000	2	8400

3.       (a) Explain briefly the importance of time, cost and resources in planning and management of construction projects.

                                (b) Explain the terms:

                                       (i) Defects I timber

                                       (ii) Decay of timber

                        (iii)Seasoning of timber

   (iv)              Preservation of timber

         (c) (i) Explain the method of introducing sperelevation on a curve.

              (ii) Using practical method of design, calculate the superelevation required on horizontal curve of state Highway with the following data:

Design speed = 70 kmph

Radius of curve = 200m

(d)  To find out th3e height of a tall building, two ranging rods of height 1.5m and 1.0 m were used. The ranging rods were placed on a line ranged out from the corner of the building such that the distance from the corner of the building to the longer ranging rod was 50 m and to the shorter rod was 60m and the tops of both the ranging rods were in line with the top of the building. Find the height of the building.

4.       (a) State the objects of plastering. Write is brief the different types of plasters that may be adopted for a building.

                               (b) How are highway projects financed? Discuss the role of government organizations and private agencies.

                              (c) Explain Resource allocation.

                             (d) A simple circular curve is to have a radius of 573 m. The tangents intersect at change 35 +50. The angle of intersection is 120˚ and the length of one chain is 30m. Find

                                  (i)  The tangent distance

                                 (ii)  The chain age at the beginning

                                 (iii) The chainage at the end of the curve

(v)                The length of long chord

(vi)              Number of full and sub chords

SECTION B