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vtu.ac.in BE/B.Tech Computer Aided Machine Drawing Model Question Paper : Visvesvaraya Technological University

Name of the University : Visvesvaraya Technological University
Name of the Exam : B.E. Degree(CBCS)Examination
Degree : B.E. / B.Tech.
Paper : Computer Aided Machine Drawing Model 1
Year : 2016-17
Document Type : Model Question Paper
Website : https://vtu.ac.in/
Download Question Paper :
Machine Drawing Model 1 : https://www.pdfquestion.in/uploads/14136-camd1.pdf
Machine Drawing Model 2 : https://www.pdfquestion.in/uploads/14136-camd2.pdf
Machine Drawing Model 3 : https://www.pdfquestion.in/uploads/14136-camd3.pdf
Engineering Drawing 2015 : https://www.pdfquestion.in/uploads/14136-caed22015.pdf
Engineering Drawing1 2014 : https://www.pdfquestion.in/uploads/14136-caed12014.pdf
Engineering Drawing2 2014 : https://www.pdfquestion.in/uploads/14136-caed22014.pdf

BE/B.Tech Computer Aided Machine Drawing Question Paper :

Time: 3 Hours
Max. Marks: 80

Note :
1. Answer any ONE question from each of the parts A, B and C.

Related : Visvesvaraya Technological University BE/B.Tech Basic Thermodynamics Model Question Paper : www.pdfquestion.in/14128.html

2. Use FIRST ANGLE projection only.
3. Missing data if any may suitably be assumed.
4. All the calculations should be on answer sheet supplied.
5. All the dimensions are in mm.
6. Part C Assembled View should be in 3D and other 2 views in 2D.

Part A :
1. Using First Angle Projection, Draw the Orthographic Views of the object shown in fig below. 15Marks
2. Draw the following profiles of pitch 50mm.
i. Square thread
ii. ISO thread 15Marks

Part B :
3. Draw the following views an assembled Knuckle Joint to 1:1 scale assuming the diameter of the shaft d = 20mm.
i. Front view with top half in section
ii. Top view 15 Marks
4. Draw sectional Front View & Side View of a Protected Type Flange Coupling to connect two shafts of diameter 30mm. Indicate the dimensions. 15 Marks

Part C :
5. Figure 1 shows the details of ‘TAIL STOCK’. Assemble the parts and draw the following views of the assembly.
i. Sectional Front View
ii. Top View 50 Marks

6. Details of ‘MACHINE VICE’ are shown in following Figure 2. Assemble the parts and draw the following views of the assembly.
i. Sectional Front view
ii. Top view 50 Marks

Model 2 :
PART A :
1. A right regular hexagonal pyramid with edge of base 40mm and height 100mm stands with its base on HP with two of its base edges parallel to VP. It is cut by a plane passing through a point on the axis 50mm from the base and inclined at 20o to be the horizontal plane and perpendicular to the profile plane. Project the sectional view and the true shape of section. 15 Marks

2. Draw the following profiles.
a) ACME thread of pitch 45mm
b) External and internal BSW thread of pitch 50mm 15 Marks

PART B :
3. Draw the proportionate sketch of locking of Flanged Nut for a 20mm diameter bolt using Split Pin. 15 Marks
4. Sketch protected type Flange Coupling to connect two shafts as per the instruction given below.
(i) Half Sectional Front View (ii) Right Side View Diameter of the shaft: 25mm 15 Marks

PART C :
5. Details of ‘PLUMMER BLOCK’ are shown in following Fgure 1. Assemble the parts and draw the following views of the assembly.
i. Sectional Front View
ii Top View 50 Marks

6. Figure 2 shows the details of ‘RAMS BOTTOM SAFETY VALVE’. Assemble the parts and draw the following views of the assembly.
i. Half Sectional Front view
ii. Top view 50 Marks

MODEL 3 :
PART A :
1. A square pyramid of 50mm edges of base and height 70mm rests on its base on HP with one of its base edges parallel to VP. It is cut by an inclined section plane in such a way that the true shape of section is a trapezium whose parallel sides measure 40mm and 20mm. Draw the FV, sectional top view and the true shape of section. 15 Marks

2. Draw the dimensioned sketches of the following. Indicate the proportions in terms of diameter. (a) Flanged nut, (b) Slotted nut 15 Marks

PART B :
3. Draw the sectional Front View and the Top View of a Double Riveted Lap Joint using rivets in Zig Zag arrangements. Thickness of plates = 10 mm. Show all the dimensions on the drawing. 15 Marks

4. Draw the Sectional Front & Top View of an Oldham’s Coupling to connect two shafts of diameter 30mm. 15 Marks

PART C
5. Details of ‘IC ENGINE CONNECTING ROD ‘ are shown in following Fgure 1. Assemble the parts and draw the following views of the assembly.
i. Sectional Front View
ii Top View 50 Marks

6. Figure 2 shows the details of ‘SQUARE HEADED TOOLPOST’. Assemble the parts and draw the following views of the assembly.
i. Half Sectional Front view
ii. Top view 50 Marks

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