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DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY, LONERE  
End Semester Examination – May 2019  
Course: B. Tech in Mechanical Engineering  
Sem: IV  
Subject Name: Manufacturing Processes I  
Max Marks: 60  
Subject Code: BTMEC401  
Duration: 3 Hr.  
Date: 14-05-2019  
Instructions to the Students:  
1
. Solve ANY FIVE questions out of the following.  
2
. The level question/expected answer as per OBE or the Course Outcome (CO) on which the question is based is  
mentioned in ( ) in front of the question.  
3
4
. Use of non-programmable scientific calculators is allowed.  
. Assume suitable data wherever necessary and mention it clearly.  
(
Level/CO) Marks  
Q. 1 Solve Any Two of the following.  
A) What is meant by Manufacturing Processes? How will you select any suitable  
manufacturing process for the products?  
K1 and  
K4/CO1  
K1 and  
K2/CO1  
K6/CO1  
6
6
6
B) What is the requirement of shrinkage allowances? Explain the defects in the casting  
processes.  
C) Describe any suitable metal casting process for manufacturing the pump casing.  
Q.2 Solve the following.  
A) How will you roll any sheet material? Explain one rolling process in detail.  
B) Differentiate between open die and closed die forging with its suitability and  
applications  
K3/CO2  
K4 and  
K5/CO2  
6
6
Q. 3 Solve Any One of the following.  
A) What do you understand by extrusion and drawing processes? Explain one of the both  
in detail.  
K2 and  
K4/CO2  
K1 and  
K2/CO2  
12  
12  
B) Define formability. Elaborate the sheet metal forming processing with various  
characteristics and types of shearing dies?  
Q.4 Write a short note on any Two of the following.  
A) Arc welding and Oxy-fuel gas welding processes  
B) Friction welding and resistance welding  
K1 and  
6
6
6
K2/CO3  
C) Soldering techniques and Mechanical fastening  
3
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Q. 5 Solve Any One of the following.  
A) What are the types of lathe machines? Explain the various operations performed lathe  
machines with developments, attachment and accessories.  
K3 and  
K4/CO4  
K3 and  
K4/CO4  
12  
12  
B) What is the need of drill machine and boring machines? Explain the various types of  
drilling machines with reaming and tapping processes  
Q. 6 Solve Any One of the following.  
A) What is the need of milling machines? Comment on the face and end milling machines  
with its suitable applications and processes capabilities.  
K6/CO5  
K6/CO6  
12  
12  
B) If you would like to fabricate gears for the gear box of any vehicle, which suitable  
manufacturing method will you select? Explain any two suitable gear manufacturing  
processes.  
*
** End ***  
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