METAL JOINING TECHNIQUES (Common to Mechanical Engineering and Production Engineering and Mechanical Manufacturing Engineering)-OR/OOR time: 3 hours Max.Marks:70 answer any Five questions all questions carry equal Marks ---
Give a brief history of the development of welding practice? With the help of sketches explain the three basic flames used in oxy-acetylene welding.
2.a) b)
Explain the principle of arc welding? What do you understand by the term “polarity?” what is the advantage of having different polarities.
3.a) b)
Explain the principle of Electric resistance welding. Which are the two important parameters responsible for resistance welding? Explain.
4.a) b)
Explain the mechanism of cold welding. Discuss the advantages and limitations of Electron beam welding.
5.a) b)
Discuss the principles of ultrasonic welding. List the various methods that could be used for welding plastics. Briefly explain one of them.
6.a)
Define weldability. Which welding process would you recommend for welding of stainless steels? Why? Distinguish between electron beam welding and laser beam welding.
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b)
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1.a) b)
7.a)
b)
Write short notes on any Three: Braze welding (b) TIG welding Co2 welding (d) Weldability of Aluminium alloys
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8. a) c)
Differentiate between Brazing and welding. Discuss when you would prefer brazing over welding. Discuss the basic costing procedure in welding.
1.a) With a neat diagram, explain the functionality of layers, protocols and interfaces. b) What is the ... Explain the following with reference to Transport layer:.
4.a) What is a routing table? b) List the four major routing classifications and state the characteristics of each? 5.a) Describe UDP with its header format.
b) Explain hall effect and how it can be applied to measure the charge density 'e' · and mobility 'μ' of change carrier · c) Derive an expression for the electro-magnetic defection sensitivity of a C.R.T. · 3 a) Explain the working of a PNP transist
Lithium aluminium hydride · b) Pyrrole undergoes Electrophilic substitution reactions primarily at C-2 position. Explain. c) With suitable chemical equations, ...
CONTROL SYSTEM S · (Common to ... The closed-loop transfer function of a control system is given by · G(s) = 0.313 ... for the unit ramp input. (contdâ¦2). OR.
5.a) Explain strain gauge and gauge sensitivity. b) Explain angular velocity measurement by digital method. 6.a) Explain measurement of pressure. b) Explain ...
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How do you manufacture calcium Ammonium nitrate? Explain. 6. Discuss once through process and partial recycle process of urea manufacture. 7. Describe the ...
b) What is an harmonicity? How it explains the thermal expansion of solids? ... Discuss briefly the Debbyes's theory of lattice specific heat · 4.a) Derive an ...
a) Two phase Locking protocol · b) Check ... 6.a) Explain Two phase locking with algorithms. b) What is ... b) What are the fields in update log record. Explain the ...
b) Calculate the available continuous power of a hydro-electric station from the ... b) With a neat diagram, explain the working of a nuclear power plant. 5 a) What ...
C/C distance between the gantry girders = 14m · Width of wheel base = 3m · Clear edge distance for the hook of the crane = 1m · Crane (EOT) capacity = 160KN.
5.a) With an appropriate example. Explain the electrical activity of a skeletal muscle. b) What are motor unit potentials? What are their role in Neuromuscular.
b) List the advantages of diesel plants over other thermal power plants? 2 a) With a neat block diagram explain the governing system of a open cycle gas.
Write Euler's turbine equation and explain each terms in it. 2.a) Explain ... 5.a) Draw the schematic diagram of a simple gas turbine cycle and explain briefly the.
III /IV B.Tech. I-Semester Examination November 2002 ... Six units of capital is available to invest in four business ventures. The returns · from each unit of ...
3.a) Discuss the aspects of Electro-chemical homing process. b) · Explain the fundamentals of chemical machining process with advantages and · applications.
