IV B.Tech I Semester Supplementary Examinations, April/May 2005 ADVANCED METAL CASTING (Production Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. What is a hot blast cupola? With a neat sketch describe the construction and operation of hot blast cupola. Explain the reactions those take place in the above one. 2. (a) How are furnaces classified? Explain with the help a neat sketch the construction and operation of a ‘open-hearth furnace’. (b) What is coke-bed height? What is its importance in cupola operation and on the quality of cost iron produced? 3. Explain with a neat sketch the working principle of induction furnace meeting. What are the major advantages and limitations? What are the important fields of application of induction melting furnaces? 4. (a) Explain the precautions to be taken in the manufacture of aluminium castings. (b) What is a gating system? State the requirements for an ideal gating system. (c) What type of gating system is adopting for casting magnetism? Alloys? Why? 5. (a) Discuss the use of chills, exothermic materials and padding in making castings. Illustrate yaer answer with suitable examples. (b) Describe the type of furnace used for obtaining high purify copper as electrical conductance. 6. (a) Explain the relative merits and demerits of pressure die casting process over gravity die casting process? (b) Discuss the factors to be considered in designing blind risers. 7. (a) Differentiate between centrifugal casting and centrifuging. (b) Explain the various precautions to be taken to obtain defect free casting. 8. Write short notes on any 4 of the following: (a) CO2 process (b) Pencil gates (c) Plaster moles (d) Sand recantation (e) Dye penetrate teet method. ?????
NR412004 IV B.Tech I Semester Supplementary Examinations, April ...
What is a hot blast cupola? With a neat sketch describe the construction and operation of hot blast cupola. Explain the reactions those take place in the above.
(a) What is Redundancy? Explain the different types of Redundancy operation with LCU. (b) explain the operation of: i. Operator interface. ii. Engineer interface.
(b) Briefly explain the shift instructions also give the examples. 4. Write a procedure SOLUTION that will use the arithmetic operators procedures to evaluate the ...
let us make a rough estimate of its role. For this assume isothermal operations in a 2.5-cm ID tubular reactor, using a Reynolds number of 10 000 for flowing fluid. The cracking reaction is approximately first order. If calculations show that 99% dec
With an example explain the distributed transparency for read-only application. 2. ... Discuss the catalog management in distributed databases. 6. What is the ...
(b) Sketch the bevel protractor and explain the various elements of it. 3. (a) Explain the following terms with respect to surface measurements. i. Lay ii. CLA iii.
(a) List and explain the metrics for the analysis model. (b) Describe the metrics for ... (a) Describe the object oriented design landscape. (b) What are design ...
iv. Minimum sampling rate v. aperture time required for the AD converter vi. Dynamic range of conversion in dB. 8. (a) Explain in detail abut analog multiplexing.
What are the modes of operation of a Hopfield network? Explain the algorithm for storage of information in a Hopfield network. Similarly explain the recall algo-.
alternator affects the performance of the differential protection of the three phase · stator. b) Describe how protection is provided in large turbo alternators against ...
(b) Can a second end check point record be encountered during analysis phase? (c) Why is the use of CLRS important for the use of UNDO actions that are not.
(a) Explain tree testing of prosthetic heart valve using a pulse duplicator. (b) Discuss the ... Explain with diagram, the types of exchangers used in artificial kidney.
(b) What is pretreatment required for sea water to be treated by electro dialysis? (c) Explain the conventional methods that could be employed for the treatment.
7.a) Explain the working principle of a simple accelerometer and vibrometer. b) Define the term gauge factor of strain gauge and strain gauge Rosetle. How are.
Find the loss of stress due to creep of concrete. (b) A concrete beam is prestressed by a cable carrying an initial prestressing force of 335kN. The cross sectional ...
NR. IV B.Tech I Semester Supplementary Examinations, November 2005 ... NR size is smaller than the fiber core, and the small gap between the source and.
RELIABILITY & SAFETY ENGINEERING · (Electronics & Control Engineering) ... (a) Explain the following terms in connection with reliability evaluation. [2+3].
NR. IV B.Tech I Semester Supplementary Examinations, November 2005 ... 3. Analyse the following frame using stiffness method. EI constant. (figure 3) [16].
What do you understand by Non-destructive testing techniques? List various tech- · nique of NDT and explain any three of them · [16]. 8. Write short notes on the ...
