1. (a) What is the difference between chipping and spalling? (b) Explain how tool life curves are established?
[5+5+6]
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(c) Discuss working principle of strain gauge dynamometer.
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II B.Tech II Semester Supplimentary Examinations, Apr/May 2009 MACHINE TOOL ENGINEERING (Production Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????
2. (a) Differentiate between independent and universal lathe chucks. (b) How does air operated chuck function and where is it used?
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3. Write about various ram drive mechanisms of a slotter.
[8+8] [16]
4. (a) Describe a tapping attachment in drilling machine.
(b) List and explain various drilling operations with sketch.
[8+8]
5. (a) Distinguish between simple, compound and differential indexing.
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(b) Distinguish peripheral milling and face milling.
[8+8]
6. (a) Sketch and explain the mounting of a grinding wheel. Mention a few precautions to be observed during mounting. (b) Discuss about various abrasives used in the manufacture of grinding wheels. [8+8] 7. (a) What are continuous broaching machines and how do they work?
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(b) Write short notes on the following: i. Sharpening of broaches ii. Progressive broaching.
[8+4×2]
8. (a) Explain with a aid of suitable sketch the principles of jig and fixture design.
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(b) What are important points to watch in respect of clamping? How should clamps be disposed of with respect to location points? [8+8] ?????
NR222002 II B.Tech II Semester Supplimentary Examinations, Apr ...
(a) What is the difference between chipping and spalling? (b) Explain how tool life curves are established? (c) Discuss working principle of strain gauge ...
(b) A carrier wave of frequency 100 MHz is frequency modulated by sine wave of · amplitude 20 volts and frequency 100 KHz. The frequency sensitivity of the · modulation is 25 KHz per volt. Determine the approximate bandwidth of FM · wave using Carson
Explain the construction of elastic strain gauge? What are the problems associated · with the use of elastic resistance strain gauges how can you find such a ...
of 1 msec synchronizing pulses are applied to the device such that breakdown · voltage is lowered by 50 V at each pulse. The synchronizing pulse frequency.
1. (a) What are the main objectives of using a pattern in sand molding? [7+9] · (b) Explain the ... Explain the principle involved in resistance welding. What are the ...
the concept of Lubrication in Hot extrusion process ? [8+8]. 6. (a) Sketch and describe the construction and working of hydrostatic extrusion and mention some of ...
(a) Briefly explain about the optical fibre construction details and show a figure for · transmission of light rays and discuss about the refractive index distribution.
Sketch and describe the essential elements of a two lipped twist drill. Explain the · functions of all the important elements of a twist drill? [16] · 6. Write short notes ...
a flat plate of chord C = 2m ,and at an angle of attack α = 50 . Analyze the flow · field. Obtain lift, drag and pitching moments from Ackerets theory. Elaborate with.
of transition to be provided? (b) Explain the principles of interlocking. [8+8] · 8. (a) Explain briefly the different factors considered for selection of site of a railway.
a(m,n) = a(m-1,a(m,n-1)) if m!=0,n!=0 · (b) Determine what does ... [8+8] · 4. If an array holding a queue is not considered circular, the general method suggests.
(b) Describe various types of heat exchangers based on temperature ... (c) Explain the mechanism of heat transfer by radiation. [5+6+5] ... (a) Thermal diffusivity.
(a) Describe Vegards Law with examples. (b) Explain why alloy find more applications than pure metals? (c) Explain why if one element is highly electronegative ...
[8+8] · 7. (a) How will you prepare Thiophene? What are its chief uses? [5+3] · (b) What will happen when Quinoline and Isoquinoline are treated with alkaline.
[8+8]. (b) Explain the working of a single stage impulse turbine. 8. (a) Enumerate the advantages and disadvantages of gas turbines. [8+8]. 1 of 2. AjntuWorld.in ...
(a) Job order production and batch production system. (b) Mass production and flow production. [4+4+4+4] · 7. DefineâCritical pathâ, âslack timeâand âDummy ...
(b) One bag contains 4 White balls and 3 black balls and a second bag contains 3 ... [8+8] · 3. (a) The amount of bread ( in hundreds of pounds) X that a certain ...
NR. II B.Tech I Semester Supplimentary Examinations, May/Jun 2009 ... (b) The electric vector E of an electromagnetic wave in free space is given by the.
[4x4=16] · (a) Scrotum · (b) Sex glands · (c) Fallopian tubes · (d) Seminiferous tubules. 7. What are Lymph Nodes? Discuss about the spleen with a neat structure.
4. (a) Use Warshall's algorithm to find the transitive closure of the relation [10+6] · R = {(1,2)(1,3)(1,4)(2,3)(2,4)(3,4)} · (b) Are the simple graphs with the following ...
(c) Explain sign conventions of heat and work in thermodynamics. [5+5+6] · 3. (a) State and explain second law of thermodynamics. (b) Define and explain ...
b=4.318 cm is fed by a 4 GHz carrier from a coaxial cable. Determine if a · TE10 mode will be propagated. If so calculate the phase velocity and group · velocity.
