Download GTU BE/B.Tech 2019 Summer 3rd Sem New 2133405 Manufacturing And Assembly Drawing Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 3rd Sem New 2133405 Manufacturing And Assembly Drawing Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?III (NEW) EXAMINATION ? SUMMER 2019
Subject Code: 2133405 Date: 18/06/2019

Subject Name:Manufacturing and Assembly Drawing

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

MARKS

Q.1 (a) What is the importance of surface roughness? 03
(b) Draw the conventional representation of Bevel gear, worm gear
and spur gear
04
(c) Draw the conventions for the following: i) Internal Thread ii) Chain
Wheel iii) Conical Helical Spring with Rectangular section iv)
Diamond Knurling v) Spiral Spring Unwound vi) Bevel Gear
vii) Leaf Spring without eye.
07

Q.2 (a) What is meant by direction of lay? 03
(b) Differentiate between tolerance and allowance 04
(c) Explain Ra Value and Roughness Grade Number. Also give
symbols for roughness grade
07
OR
(c) Explain GD & T and list out the symbols with neat sketches 07
Q.3 (a) Define Steel. 03
(b) Explain Unilateral and Bilateral Tolerance with an example each 04
(c) Explain and compare ?Hole basis system? and ?Shaft basis system?
of fits. From manufacturing point of view which system is
preferred? Why?
07
OR
Q.3 (a) Draw the Surface roughness symbols for Roughness values Ra
0.025?m and 0.4?m.
03
(b) Write short notes on Datum and Datum features. 04
(c) Explain fit and classify its types with neat sketches. 07
Q.4 (a) List the standard parts of an two plate Injection Mould Base 03
(b) Explain positive and negative allowance. 04
(c) Write short notes on i) Aluminium and its alloys ii) Nickel and its
alloys.
07
OR
Q.4 (a) Define Ferrous and Non-Ferrous Metals and give example of each 03
(b) What is production drawing of a component? What information
must be provided on production drawing of a machine to facilitate
its manufacturing and assembly?
04
(c) Explain the effect of alloying on Mn,Si,Cr and Mo. 07
Q.5 (a) What are the basic principles of dimensioning in production
Drawing ?
03
(b) Explain what do you mean by B.O.M . Draw a sample B.O.M 04
(c) Draw the symbols for (i) Square Butt weld, (ii) Single Bevel Butt
weld, (iii) Single U Butt weld, (iv) Single J Butt weld, (v) Fillet
weld, (vi) Spot weld, (vii) Plug weld
07


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1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?III (NEW) EXAMINATION ? SUMMER 2019
Subject Code: 2133405 Date: 18/06/2019

Subject Name:Manufacturing and Assembly Drawing

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

MARKS

Q.1 (a) What is the importance of surface roughness? 03
(b) Draw the conventional representation of Bevel gear, worm gear
and spur gear
04
(c) Draw the conventions for the following: i) Internal Thread ii) Chain
Wheel iii) Conical Helical Spring with Rectangular section iv)
Diamond Knurling v) Spiral Spring Unwound vi) Bevel Gear
vii) Leaf Spring without eye.
07

Q.2 (a) What is meant by direction of lay? 03
(b) Differentiate between tolerance and allowance 04
(c) Explain Ra Value and Roughness Grade Number. Also give
symbols for roughness grade
07
OR
(c) Explain GD & T and list out the symbols with neat sketches 07
Q.3 (a) Define Steel. 03
(b) Explain Unilateral and Bilateral Tolerance with an example each 04
(c) Explain and compare ?Hole basis system? and ?Shaft basis system?
of fits. From manufacturing point of view which system is
preferred? Why?
07
OR
Q.3 (a) Draw the Surface roughness symbols for Roughness values Ra
0.025?m and 0.4?m.
03
(b) Write short notes on Datum and Datum features. 04
(c) Explain fit and classify its types with neat sketches. 07
Q.4 (a) List the standard parts of an two plate Injection Mould Base 03
(b) Explain positive and negative allowance. 04
(c) Write short notes on i) Aluminium and its alloys ii) Nickel and its
alloys.
07
OR
Q.4 (a) Define Ferrous and Non-Ferrous Metals and give example of each 03
(b) What is production drawing of a component? What information
must be provided on production drawing of a machine to facilitate
its manufacturing and assembly?
04
(c) Explain the effect of alloying on Mn,Si,Cr and Mo. 07
Q.5 (a) What are the basic principles of dimensioning in production
Drawing ?
03
(b) Explain what do you mean by B.O.M . Draw a sample B.O.M 04
(c) Draw the symbols for (i) Square Butt weld, (ii) Single Bevel Butt
weld, (iii) Single U Butt weld, (iv) Single J Butt weld, (v) Fillet
weld, (vi) Spot weld, (vii) Plug weld
07


2

OR
Q.5 The figure1 shows parts of a tail stock. Assemble the parts and
Draw the sectional front view of tail stock
14








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