Manufacturing Processes (BME403) - AKTU Question Paper 2025-26
B.Tech · Semester 4 · Free PDF Download
This is the official AKTU Manufacturing Processes Previous Year Question Paper for B.Tech Semester 4, academic session 2025-26. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
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Questions Asked in 2025-26
Manufacturing Processes (BME403) — complete question paper · 70 marks · 3 Hours
- aDifferentiate between open die forging and closed die forging?
- bWhat is shrinkage allowance in casting?
- dExplain additive manufacturing
- eWhat is meant by hardness of grinding wheel?
- fWhat is HAZ in arc welding?
- gExplain the function of electrolyte in ECM
- aExplain the solidification phenomena in casting. Also describe casting defects and their remedies in brief
- bWhat is Machining? Explain the various types of chip formation during the machining of a workpiece
- cBriefly explain and differentiate between cylindrical and centerless grinding
- dDiscuss the principle and working of gas welding and gas cutting processes
- eWrite brief notes on the following: (i) Laser beam machining (LBM) (ii) Plasma arc machining (PAM)
- aDifferentiate between hot working and cold working. Also explain advantages of metal forming processes over other manufacturing processes
- bWhat do you understand by powder metallurgy? Explain their advantages and disadvantages with suitable example
- aThe tool life equation for HSS tool is expressed by VT 0.15 = C1 and the tungsten carbide tool is expressed by VT 0.25 = C2. If at a speed of 30 m/min the tool life is 120 min, compare the life of the two tools at a speed of 40 m/min
- bExplain Merchant’s force circle diagram and derive the merchant’s shear angle relationship
- aDiscuss various types of abrasives used for manufacturing of grinding wheels. Also differentiate between dressing and truing
- bWrite brief notes on all of the following (i) Honing (ii) Lapping (iii) Superfinishing
- aExplain the working of Friction welding process with the help of neat sketch. Also give its advantages and limitations
- bWhy do welded joints sometimes fail during service? What precautions should be taken to enhance the life of welded joints?”
- aExplain the working principle of Electrical Discharge Machining with a neat diagram
- bDiscuss in brief the important process parameters affecting material removal rate, accuracy, and surface finish in Abrasive Jet Machining
Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.
Repeated Questions — BME403
Questions that appeared in more than one session, found by comparing 2 years of Manufacturing Processes papers (2024-25, 2025-26)
Write brief notes on the following: (i) Laser beam machining (LBM) (ii) Plasma arc machining (PAM)
Appeared in: 2024-25 · 2025-26
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