III-B.Tech I-Semester Supplementary Examinations, May/June-2004 METALLURGY (Common to Mechanical Engineering, Production Engineering and Mechanical and Manufacturing Engineering) Max. Marks: 70 Answer any FIVE questions All questions carry equal marks ---
b) 2.a) b) 3.a) b)
Describe construction and interpretation of eutectic diagram and draw Cu-Zn equilibrium diagram. Explain lever arm principle and types of solid solutions.
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1.a)
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Time: 3 hours
Draw Fe-Fe3C equilibrium diagram and explain cooling behaviour of 0.6% C steel. Explain eutectoid and peritectoid reactions. What are the microstructures, properties and uses of white cast irons and S.G. irons. Explain the effect of alloying elements on Fe-Fe3C equilibrium diagram. Compare Annealing with Normalising and explain Austempering. What is critical cooling rate and explain factors affecting it?
5.a) b)
Explain age hardening and cyaniding. Describe Nitriding and Flame hardening.
6.a)
What are the structure, properties and applications of low alloy structural steels and austenitic stainless steels? Explain heat treatment given to high speed tool steels.
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4.a) b)
Explain structure, properties and applications of any THREE of the following: (a) Al-Si alloys (b) Bronzes (c) - Ti alloys (d) Cobalt base super alloys.
8.a) b)
Describe iron Blast Furnace and explain production pig iron. Explain steel making practice in Basic Electric arc furnace.
b) Explain heat treatment given to high speed tool steels. 7. Explain structure, properties and applications of any THREE of the following: · (a) Al-Si alloys (b) ...
starter, (iii) Auto transformer starter limiting the supply line starting current to · twice the full-load value. Find the auto-transformer tapping in this case. - - -.
1.a) Explain with a neat sectional view the operation and advantages of hot blast · cupola. b) Discuss the various types of refractories used for cupola lining.
5.a) What is sine bar. Sketch an arrangement for any one of the applications. b) Describe the constructional features and working of optical collimator.
Polynomials in single variable are stored in the form of linked lists. Each · structure has space for one coefficient and one exponent and a link. Assume.
armature and field resistances are 0.03 ohm. And 60 ohm ... 6.a) Explain with the help of diagrams how a rotating magnetic field is produced in · the air gap of a ...
Explain in detail gas liquid contact in mechanically agitated vessels. ... b) Derive the expression for height of a water cooling tower by using HTU and NTU.
Explain determinants and use of determinancy diagram. 2.a) ... Draw the E/R model representation of many-to-many relationship and · superfluous entity tables.
b) Give the steps of a registry-based algorithm for finding and using idle · workstations. 4.a) With reference to distributed file system implementation explain i) ...
b) With the help of a neat sketch of psychometric chart show the various psychrometric · processes naming them clearly. c) Explain what effective temperature is ...
b) State the method of manufacturing and special qualities of the following bricks. (i) sand â lime bricks (ii) Fly ash bricks (iii) Stabilised bricks. c) Explain briefly ...
the following (with comments and indentation) · a) To read the ... OR. Develop a complete COBOL program with indentation and comments to do the · following:.
... shown below. Take node 4 as reference · node. 7.a) Obtain the relation between Y and Z parameters. b) Find A B C D parameters of the network shown below.
320256. III-B.Tech. II Semester Supplementary Examinations December 2002/January 2003 · MODELLING OF POWER SYSTEM COMPONENTS · (Electrical and Electronics Engineering) · Time: 3 hours · Max. Marks: 70 · Answer any FIVE questions · All questions carry
c) A simple Delavel steam turbine nozzle ring is supplied with 200 kg/hr of dry · steam at 10 ... iii) The dryness of steam just as it leaves the turbine rotor blading.
10 kVA at 0.8 pf lagging, load B draws 15 kW at a 0.5 pf lagging and load C · dissipates 5 kW at unity pf. (i) Find active power, reactive power and line current.
Code No:220352. II.B.Tech II-Semester. Supplementary ... not to exceed 90 N/mm · 2 · and (ii) The maximum shear stress is not to exceed 45 · N/mm · 2 . Tube.
1011. 7.a) Discuss the generation and detection of pulse width modulation. b) Explain the principle transversal equiliber. 8. Write short notes on the following:.
potential and muscle contraction. 2.a) With a neat ... b) Explain the origin of ECG from the heart muscles. ... 4.a) What are the different types of muscles? Explain ...
... plate capacitor is · equal to the conduction current in the leads. b) Investigate the vector magnetic potential for the infinite, straight, current element · L in free space. 3. Find the magnetic field intensity due to the presence of a finite st
