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Department of Mechanical Engineering

Assignment : Mechanical Engineering (4th Semester) course: ME-230 Primary Production Processes
Last Date of Submission: 20.2.2011
Send your answer (in word file) to email address:         Write your Roll no. on subject of e‐mail   and Name & roll no. inside the text 
Sl.No  RollNo  Student Name  Assignment 
1 109ME0035 GAUTAM BHARDWAJ Describe with sketch side blow converter and electri arc furnaces used for melting the metal in a foundry.
2 109ME0042 GAUTAM KUMAR Describe the solidification process in sand casting with figure.
3 109ME0067 KINTALI VINOD Give a cause effect diagram for defect ‘porosity’ in casting
4 109ME0140 SASHANK GANDIKOTA Discuss with sketch the magnetic particle testing method used for inspection of cracks in castings.

What are the typical situations and end products for which the following casting processes are used? a) shell
molding, b) true centrifugal casting, c) investment casting, d) die casting, e) centrifuge casting. Give some
5 109ME0159 BIKASH KUMAR MAJHI example product figure.
6 109ME0175 PRADHAN Redesign the shown casting products to avoid defects. н, ¤, v
7 109ME0194 SIVA SAI SUBHASH For the shown figures discuss how the hot tears formed and give remedial measures. ۩ ◊ ⌂
8 109ME0258 BEHERA Redesign the above casting products to avoid defects. →, ∟, п
9 109ME0301 SAHA Find out the different constituents of charges and their percentages in a cupola furnaces.
10 109ME0357 RAVI . What is the ideal profile of a sprue? Explain how it obtained.
A sphere and a cylinder are casted. Both have same volume. Cylinder height is equal to its radius. Which will
11 109ME0359 PARBESH AGRAWAL be solidify first? Explain.

Find the diameter of the riser to be used for a casting of 200x100x18 mm rectangular plate. Assume height of
12 109ME0360 LOKANATH BEHERA the riser is equal to that of diameter. Riser take 25% longer to solidify.

Mold of 50x25x15 cm is to be filled by top gating system with cross sectional area of gate is 5 cm². Find the
13 109ME0361 SWAYATT BEHERA filling time, when the height of the pouring basin is 15 cm.
14 109ME0362 LOKESH KUMAR BICAN What is the ideal profile of a sprue? Explain how it obtained.
15 109ME0363 SHATABDI BISWAL With a Neat sketch show the different parts and zones of a Cupola
16 109ME0364 MAUSSAM What is core print? How cores are manufacured? Descibe with sketches.

17 109ME0365 SUSANTA CHOUDHURY Sketch the cross section of a sand mould which is ready for pouring, and label the various important parts.
18 109ME0366 PRATIK DAS Give a cause effect diagram for defect ‘Hot tear’ in casting.
19 109ME0367 SURAJ KUMAR DAS Describe with a sketch the working of hot chamber die casting process.
20 109ME0368 BIJOY KUMAR DUWARY With a neat sketch show the principle and working of centrifugal casting.
21 109ME0371 JACOB Why riser is used in sand casting? With figure give the guidelines for positioning of risers.
22 109ME0372 SAMPREETI JENA Describe liquid penetrant and visual testing methods used for casting to locate cracks.
With diagram show the solidification of pure metal, alloy metal and metal with nucleating agent in a mold
23 109ME0373 MAYANK JOSHI cavity.
Describe with diagram the different allowances given in pattern. In which situation double shrinkage allowance
24 109ME0374 PRASHANTH B KARNAL is given?
25 109ME0375 SANTHOSH KARTHIK Describe the continuous casting with diagram. Why cooling mould is required for this process?
26 109ME0377 ROHIT KHETAN Describe the centrifugal casting with diagram. Gives its applications.
27 109ME0378 D JASWANT KUMAR Describe the investment casting with diagram and steps.
28 109ME0380 RAVINDRA KUMAR Describe the hot chamber die with diagram. Why risers are not used in thi type of casting?
29 109ME0381 TAPAS KUMAR MAHATO What is Chvorinov's rule and indicate how it is useful for riser design?
30 109ME0384 AMIT KUMAR MARANDI Describe the full gating system with figure for sand casting
31 109ME0385 MINJ With neat diagram describe the steps for making green sand mould.
32 109ME0387 MOHANTA With neat diagram describe the different type of patterns used for sand casting.
33 109ME0388 MOHANTY What are chills and chaplets? Describe with figures.
34 109ME0389 RAJ AMRIT MOHAPATRA With figure give the steps for producing castings by shell moulding.
35 109ME0391 SAROJ KUMAR NAIK With figure differentiate among true centrifugal, semi-cetrifugal and centrifuge casting
What is parting line? Give three consideration with example and figures for choosing a parting line applied to
36 109ME0393 KUSAMPUDI NAVYANTH casting.
37 109ME0394 NAYAK With example figures, give the Design considerations shrinkage defects in casting.
Define th following related to casting with short write off and diagram: cope , drag, bottom board, runner riser,
38 109ME0395 SUNIT NAYAK sprue.
39 109ME0396 PRABHU DATTA NEPAK sketch an example each for sweep patern, skeleton pattern, split pattern.
40 109ME0397 TOPHAN NIAL sketch an example each for loose piece pattern, cope and drag type pattern, single piece pattern.
41 109ME0398 ABHISHEK PANDA With sketch describe the importance of draft provided in pattern.
42 109ME0399 PANDA What properties are desirable for moulding sand. What additive are used to increase which characteristics?
43 109ME0400 SIDDHANT PANDA Describe with a sketch the permeability test for moulding sand.
44 109ME0401 SUSEET PANIGRAHI With sketch shows the different type of core used in moulding.
45 109ME0402 NIRMAL PATEL With sketches show the bottom and horn type gating system.
46 109ME0403 PATRA With sketches show the top and parting line type gating system.
47 109ME0404 PROTSAHAN PRADHAN Describe with a sketch different risers used in sand moulding.
48 109ME0405 PRADHAN Give a sketch of a good pouring basin with provision to trap slag.
49 109ME0407 RAHUL RAJ With a sketch show the different arrangment made in gating system to trap slag before reaching mould cavity.
50 109ME0408 SAROJ RAY Derive the pouring time required for a bottom gating system.
GOGIREDDY RAVINDRA What is gating ratio? What are the standard ratios for different materials. What is pressurised and
51 109ME0409 REDDY unpressurised gating systems.
52 109ME0410 SARBESWAR ROUT Explain the formation of shrinkage cavities in steel castings.
53 109ME0412 BINAY KUMAR SAHOO With sketches shows the different ladels are used to carry moltem metals.
SANTANU KUMAR Describe with sketch side blow Induction and electri resistance furnaces used for melting the metal in a
54 109ME0413 SAHOO foundry.
55 109ME0414 JAGANNATHA SAHU With sketch explain the formation of hot tearing defects in casting.
56 109ME0415 SURAJ KANT SAHU With sketch explain the formation of pinholes, shrinkage cavities defects in casting.
57 109ME0417 DIBYAJYOTI SETHI With sketch explain the formation of rat tails, swells, fin defects in casting.
58 109ME0418 SETHI Describe with sketch working of gravity feed prmanent mould casting process.
59 109ME0419 SANDEEP SETHI Describe with sketch the slush casing and lost foam casting.
60 109ME0420 AAMIR SHAMS With sketch explain the formation of blister, drop, buckle defects in casting.
61 109ME0421 SHASHI SHEKHAR How sand conditioning is done for moulding sand? Explain the different steps.
62 109ME0422 HARSHDEEP SINGH Describe with sketch working of cold chamber die casting process.
63 109ME0423 SREEVATHSANATH Describe with diagram how the compressive and dry strength of moulding sand is done.
64 109ME0424 BISWA PRAKASH SUKLA With sketch explain the different methods used for surface cleaning of castings.
65 109ME0425 SAUMYA KANTA SWAIN Describe with sketch working of low pressure prmanent mould casting process.
66 109ME0426 ANSHUMAN TRIPATHY Discuss with sketch the eddy current testing method used for inspection of defects in castings.
Explain how the shape and size of sand influence the properties of moulding sand. How grain fineness test is
67 109ME0428 VINAY V done?
A sphere and a cylinder are to be cast. Both have same volume. Cylinder's height is equal to its radius. Which
68 109ME0430 RITLAL KUMAR YADAV will solidfy first? Explain.
69 109ME0491 DWIJESH KUMAR SINGH Discuss with sketch the Ultrasonic testing method used for inspection of defects in castings.
70 109ME0533 SONU ABHISHEK With sketch explain the formation of wash, buckle, scab defects in casting.
Discuss with sketch the Radiography and thermography testing methods used for inspection of defects in
71 109ME0534 BIJAY DHAKAL castings.
72 109ME0535 DHAKAL sketch an example each for gatted pattern, match plate pattern.
73 109ME0536 KOSISH GAIHRE What is machine finish allowance given in pattern? Give list of its vlues for different material.
Classify the moulding sands as per its use, chemical properties, as per preparation, and as per the moulding
74 109ME0537 ABHISHEKH KUMAR JHA process.
75 109ME0538 PRAKASH SHAH How clay content, hardness and moisture content tests are done for moulding sand?
76 109ME0572 DANDAPATI HAREESH What is distortion allowance given in pattern? With sketch explain.
77 109ME0573 SUNNY MADHAW sketch an example each for follow board pattern, segmental pattern.
78 109ME0574 DIGVIJAY SINGH Explain the calculation for double shrinkage provided in pattern. What colour code is used for pattern?
Summarize the equations used to calculate the choke (bottom of sprue) area for top, bottom and parting line
79 109ME0595 K SAYAN KUMAR gate.
80 109ME0604 CHOPPA KALYAN With sketch explain the formation of wash, mold swift, core swift, defects in casting.

81 109ME0643 TIKENDRA DEWANGAN For the following figures discuss how the hot tears formed and give remedial measures. ∆ Џ ю