Download GTU BE/B.Tech 2018 Winter 3rd Sem New 2133404 Basic Manufacturing Processes Question Paper

FirstRanker.com

Seat No.: Enrolment No.

GUJARAT TECHNOLOGICAL UNIVERSITY

--- Content provided by FirstRanker.com ---

BE - SEMESTER-III (New) EXAMINATION — WINTER 2018
Subject Code: 2133404 Date: 05/12/2018
Subject Name: Basic Manufacturing Processes
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

--- Content provided by‌ FirstRanker.com ---

1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Explain principle of Lathe and name some operations which can be carried out on lathe 03
(b) Explain the construction of tailstock of a lathe with a diagram. 04

--- Content provided by‌ FirstRanker.com ---

(c) Explain any four work holding devices in a lathe with suitable diagrams. 07

Q.2 (a) Draw a block diagram of shaper 03
(b) Differentiate shaper and Planer 04
(c) Explain the crank & slotted link mechanism of quick return of the ream with a diagram. 07
OR

--- Content provided by⁠ FirstRanker.com ---

(c) Explain any four operations performed in a shaping machine with diagrams. 07

Q.3 (a) Define ‘cutting speed’ in a drilling machine. 03
(b) Explain any two drill holding devices. 04
(c) Explain any four operations performed in a drilling machine. 07
OR

--- Content provided by FirstRanker.com ---

(a) Compare multi spindle drilling machine’and Gang drilling machine. 03
(b) Explain sensitive drilling with neat sketch 04
(c) How do you classify drilling machines? Explain Radial arm drilling machine with neat sketch 07

Q.4 (a) Write down the name the milling cutters. 03
(b) What are the different milling machine operations 04

--- Content provided by FirstRanker.com ---

(c) Draw a neat diagram of a milling machine and explain its construction. 07
OR
(a) What are the methods of indexing 03
(b) What are the differences between a plain milling machine and a universal milling machine 04
(c) Draw aneat diagram of a plain milling cutter and explain its nomenculature 07

--- Content provided by‌ FirstRanker.com ---

Q.5 (a) Write down any four grinding machines. 03
(b) Explain ‘Dressing’ of a grinding wheel with a diagram 04
(c) Write notes on 07
1) Precision grinding
2) Polishing

--- Content provided by‌ FirstRanker.com ---

3) Buffing
4) Scraping
OR
(a) What are the reasons for chattering? 03
(b) Explain ‘Truing’ of a grinding wheel 04

--- Content provided by​ FirstRanker.com ---

(c) Explain a surface grinder with a diagram. 07

FirstRanker.com