B.TechSemester 42022-23Manufacturing ProcessesKME-403

Manufacturing Processes (KME-403) - AKTU Question Paper 2022-23

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 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 4
Session:2022-23
University:AKTU / UPTU

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Questions Asked in 2022-23

Manufacturing Processes (KME-403) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20
  • a
    Why machining allowance is provided in casting?
  • b
    Differentiate between wire drawing and extrusion
  • c
    What is the difference between cutting tool and machine tool?
  • d
    In a machining operation, doubling cutting speed re duces the tool life to 1/8th of original value. The exponent n of Taylor’s tool lif e equation will be?
  • e
    Differentiate between glazing and loading in grinding
  • f
    Explain friability in grinding
  • g
    Discuss the purpose of welding flux used in SAW process
  • h
    What are the various consumables used in arc welding processes? (i) How non-conventional machining differs from conventional machining process? (j) Why abrasives are not recycled in abrasive jet machining?
Section BAttempt any three of the following: 10x3=30
  • a
    Explain the purpose of riser in casting process. Al so discuss the Caine ’s method used for riser design
  • b
    Show schematically the Merchant force circle in ort hogonal cutting. Also drive the following shear angle relationship Where: φ is the shear angle, λ is the friction angle and α is the rake angle. Explain grade in the grinding wheel. Outline the gr inding wheel specification by using the following marking of a grinding wheel
  • d
    Discuss the TIG & MIG welding in detail with the help of neat sketches
  • e
    What is water jet machining? Explain its working pr inciple with the help of suitable diagram. Also, mention its applications
Section CAttempt any one part of the following: 10x1=10
  • a
    Discuss the heat transfer during solidification of a casting of a pure metal with the help of temperature and distance diagram
  • b
    Differentiate between hot working and cold working. Also explain advantages of metal forming processes over other manufacturing processes
  • a
    What do you understand by tool wear? Explain crater wear and flank wear with the help of suitable diagram
  • b
    An HSS tool is used for turning operation. The tool life is 60 min when turning is carried out at 30 m/min. The tool life will be redu ced to 2 min if the cutting speed is doubled. Find the suitable speed in RPM fo r turning 300 mm diameter so that tool life is 30 min
  • a
    Discuss various types of abrasives used for manufac turing of grinding wheels. Also differentiate between dressing and truing
  • b
    What is super finishing? Write short notes on H oning ,L apping and P olishing process
  • a
    Explain the working of Friction welding process wit h the help of neat sketch. Also give its advantages and limitations
  • b
    What is HAZ in arc welding? Discuss the phenomenon of weld decay in HAZ with the help of suitable diagram
  • a
    What does LASER stands for? Explain its working wit h neat sketch. How metal removal takes place by LBM?
  • b
    In an ECM operation, a square hole of dimension 5 m m × 5 mm is drilled in a block of copper. The current used is 5000 A. Consid ering atomic weight of copper as 63 and valency of dissolution as 1, find the material removal rate in gram/sec. (Faraday’s Constant = 96500 Coulomb)

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 — KME-403

Questions that appeared in more than one session, found by comparing 2 years of Manufacturing Processes papers (2021-22, 2022-23)

2x

Differentiate between glazing and loading in grinding

Appeared in: 2021-22 · 2022-23

Manufacturing Processes — Other Year Papers

AKTU Manufacturing Processes PYQs from other sessions