Code No. NR-221854 II Year II-Semester Supplementary Examinations November 2003 FLUID MECHANICS AND MACHINERY (Metallurgy and Material Technology) Time: 3 hours Max. Marks: 70 Answer any Five questions All question carry equal marks --1. a) Differentiate between the following: (i) Rotational and irrotational flow (ii) Uniform and non-uniform flow. (iii) Steady and unsteady flow. b) A piston 800 mm in diameter and 200 mm long moves centrally to and fro in a cylinder of 810 mm diameter. If the annular space is filled with oil of viscosity 14 poise; calculate the speed of descent of piston in vertical position. The weight of load on piston including self weight is 12 N. Define stream function and velocity potential. How is flow net developed? A circular plane surface of diameter 2.5 m is immersed with 30o inclination in water such that the top is in the surface. The specific weight of water is 9810 N/m3. Find the total force and the centre of pressure on the plane surface.
3. a) b)
Derive the Bernoullis Equation from fundamentals stating the assumptions made. The velocity components in x and y directions are u = 2xy3/3 – x2y and v = xy2-2yx3/3. Check whether the given velocity distribution is a possible field of flow.
4. a) b)
What are the applications of momentum equation. Explain free vortex and forced vortex motion in detail, stating examples.
5. a) b)
Define the boundary layer thickness. How do you estimate the same? Explain how flow separation takes places. What are the factors causing flow separation? What is laminar sub layer?
c)
Explain the working of pitot static tube and derive the equation. A 20 cm water pipe has in it a venturimeter of throat diameter 12.5 cm such that the elevation difference between inlet and throat is 3 m. The differential manometer shows a mercury deflection of 28 cm. Find the discharge in the pipe if Cd = 0.92 and if the throat is at higher level. Specific gravity of mercury is 13.6.
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6. a) b)
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2. a) b)
Explain how hot wire anemometer works. What are different types of manometers? What are flow visualization techniques?
8.
Write short notes on the following: a) Shock Waves b) Super Sonic flow c) Rotameter d) Life and drag coefficients. ###
If the annular space is filled with oil of viscosity · 14 poise; calculate the speed of descent of piston in vertical position. The weight · of load on piston including self weight is 12 N. 2. a) Define stream function and velocity potential. How is flow net developed? b) A circular plane surface of diameter 2.5 m is immersed with 30.
108 kN at a distance of 2m from C. Find the support moments and support reactions. ... b) Three wires AD, BD and CD having the same cross sectional area and of same ... A moving load of 50kN/m and, 4m long, crosses a girder of 16m span.
a) Follower moves outwards through 40mm during 60° of cam rotation. ... Draw the profile of the cam when the axis of the follower is offset 20mm towards.
examples. 3.a) Explain the PROG features of lisp. b) What is scope and extent? Explain the Dynamic Scoping rules. 4.a) Explain the different methods of parameter passing mechanism. b) What is âtype checkingâ? Discuss the various types of type che
SIMULA. b) What is concurrency ? Briefly explain the concurrency features in ADA. 8. Briefly explain the following : · (a) · Basics of LISP · (b) · Type equivalence.
Code No. 220555. II B.Tech. II-Semester Supplementary Examinations November-2003 · PROGRAMMING LANGUAGES · (Common to Computer Science and Engineering and Computer Science and · Information Technology) · Time: 3 hours · Max. Marks:70 · Answer any Fiv
articular cartilage surfaces. 7.a) With the help of a P-V curve of a lung, explain the normal breathing mechanism. b) What are the lung mechanical parameters.
How can you determine the fixed and working capital requirements of a project? 6. What are the objectives and methods of pricing? Do different types of markets.
Design a base class consisting of the data members such as name of the student, · roll number and subject name. The derived class consists of the data member's · viz., subject code, internal marks and external marks. The program must be able · to bui
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. - - -.
OR · 7.a) What is photo resister? Explain briefly. b) Explain the following laws of thermocouple behaviour. i) · law of intermediate metals and · ii) · law of intermediate temperature · 8.a) List the detectors used in radiation and optical pyrometers
b) What are the various losses that occur in a single phase transformer? c) In a 100KVA, 2000/200V, 50Hz transformer, the full load copper losses and iron · losses are 1500 watts and 1000 watts respectively. Determine the load for which · efficiency
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.
âPerfect Competition results in larger output with lower price than a Monopolyâ, · Discuss. 7. Define a Joint-stock Company and explain its basic features.
Derive the equation for steady-state heat transfer through a spherical shell of inner · radius r1 and ... C and the outer wall of the annulus is insulated. Neglecting ...
A cyclone separator is used to remove sand grains from an air stream at ... cyclone body is 0.6 m in diameter and the average tangential velocity is 16 m/s, what.
What are the different types of Turing Machines? Construct a Turing machine that · can accept the strings over {0,1} containing an even number of 1's . 7.a) What ...
Code No: 220155. II-B.Tech. II-Semester Supplementary Examinations, April/May-2004 · PROBABILITY AND STATISTICS · (Common to Civil Engineering, Mechanical Engineering, Production ... b) If X is normally distributed with mean 8 and S.D 4, find ... 3.a
b) Explain the concept of Tunnel diode in detail. Draw and explain its ... voltage for a P channel JFET with a=2Ã10-4 cm and channel resistively · Ï=10ohm-cm.
b) State and prove Chebyshev's inequality. 4. A population consists of the five numbers 2,3,6,8,11. Consider all possible · samples of size two which can be ...
State the second law of thermodynamics and explain how it is applied for · development of heat engine. 6. A reversible heat engine absorbs 252 kcal at 260°C, ...
b) Describe MOTT & WHEELER method of test Coke. 2.a) Describe a method for the manufacture of producer gas. b) Mention important properties and uses of ...
