Download GTU BE/B.Tech 2018 Winter 3rd Sem New 2133405 Manufacturing And Assembly Drawing Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-III (New) EXAMINATION - WINTER 2018

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Subject Code:2133405 Date:12/12/2018
Subject Name:Manufacturing and Assembly Drawing
Time:10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Draw the symbols for i) Cylindricity, ii) Angularity, iii) Runout 03
(b) Draw any five Conventional Representation of Section lines 04

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(c) Draw the conventions for following machine elements: i) Leaf Spring with 07
eyes and centre band ii) Serrated Shaft.iii) Bearing iv) Holes on a linear
pitch.v) Butt Joint

Q.2 (a) What is Positional Tolerance. 03
(b) Explain Tolerance, Unilateral and Bilateral tolerance with examples 04

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(c) Define Fit and types with neat sketches 07
OR
(c) Differentiate between hole basis and shaft basis system with an 07
example

Q.3 (a) Define Steel with an example 03

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(b) Write a short note on copper and copper alloys. 04
(c) Explain Production Drawing and state the elements of Production 07
Drawing.
OR

Q.3 (a) Draw the Surface roughness symbols for Roughness values Ra 0.025um and 03

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0.4µm.
(b) Write a short note on Datum and Datum Features. 04
(c) Define the following: i) Basic Size, ii) Actual Size, iii) Allowance, iv) 07
Deviation

Q.4 (a) Define Ferrous and Non-Ferrous Metals and give example of each. 03

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(b) Write the effects of adding alloying elements Cr and V to steels 04
(c) Write a short note on Geometrical, Form and Positional tolerances. 07
OR

Q.4 (a) What is the importance of surface roughness? 03
(b) Explain what do you mean by B.O.M . Draw a sample B.O.M 04

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(c) Draw the symbols of the following: i) Concentricity ii) Profile of any surface 07
iii) Perpendicularity iv) Parallelism v) Angularity vi) Symmetry vii)
Circularity

Q.5 (a) What is an injection mould? 03
(b) What are the different parts of an Injection mould? 04

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(c) The dimensions of a shaft and hole are: Basic Shaft size =60 mm and given 07
as 60 -0.02 & Basic hole size =60 mm and given as 60 -0.005 find 1)
Tolerance of Shaft, i1) Tolerance of Hole, iii)) Max Allowance, v) Min
allowance, iv) Type of Fit.
OR

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Q5 The Fig Shows the parts of a Screw Jack .Assemble the parts and draw the 14
Sectional Front view and Top view

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