GTU 110013 Engineering Graphics Dec 2008 /Jan 2009 Question Paper

BE First Semester Exam
(Common to all Branches)
Time: 3 hrs
Maximum Marks: 70

Instructions:

1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Don’t rub Construction/Projection lines after completion of drawing.
5. Any sort of electronic gadgets are strictly prohibited.

1. a) Draw Figure 1 in Half Scale. 7 marks
Ans: Can be done with ease
1. b) (i) Explain Importance of section in brief. 2 marks
Ans: To show internal details. Refer page 12.1 of ED - Basant Agrawal, TMH.
(ii)An elliptical plane 120 mm x 60mm rest on HP in such a way that it looks Circular in Plan. Determine its inclination with HP. 4 marks
Ans: Refer problem 10.11 page 10.11 of ED - Basant Agrawal, TMH.
1. c) A cubical tank of 1 m × 1 m × 1 m was required to be fabricated for storing water. In this regard, Isometric Projection of the mentioned specification was prepared and supplied to the fabricator. The fabricator fabricated the tank considering it as Isometric Drawing. Determine the reduced water storing capacity of the fabricated tank. 6 marks
Ans: Remove the area equal to isometric projection from the isometric view.

2. a) Define R.F. Divide a line PQ 100 mm long into six equal parts. 3 marks
Ans: Refer article 4.3 page 4.2 and problem 3.5 page 3.4 of ED - Basant Agrawal, TMH.
2. b) Explain Systems of Dimensioning in brief. 4 marks
Ans: Refer article 2.12 and 2.15 of ED - Basant Agrawal, TMH.
2. c) The foci of an ellipse are 120 mm apart and the minor axis is 70 mm long. Draw the ellipse by concentric circle method. 7 marks
Ans: Refer problem 5.34 page 5.26 of ED - Basant Agrawal, TMH.

OR

2. c). Draw and name the curve traced by a point on the perimeter of 60 mm diameter circle if it rolls by one revolution outside the circle with 160 mm diameter. 7 marks
Ans: Refer problem 6.2 page 6.2 of ED - Basant Agrawal, TMH.

3. a) Define “Loci” of point. In a slider crank mechanism, the connecting rod is 160 mm and crank is 40 mm in length. The other end point of connecting rod on the slider moves along a straight line passing through centre of crank rotation. Trace the locus of i) Any point on the slider and ii) Midpoint ‘X’ of the crank. 7 marks
Ans: Refer problem 6.19 page 6.20 of ED - Basant Agrawal, TMH.
3. b) A line AB 75 mm long is inclined at an angle of 45º to HP and 30º to VP. One of its end point A is in HP as well as VP. Determine its apparent inclination with VP. 7 marks
Ans: Refer problem 9.15 page 9.15 of ED - Basant Agrawal, TMH.

OR

3. a) Define “Loci” of point. In a slider crank mechanism, the connecting rod is 160 mm and crank is 40 mm in length. The other end point of connecting rod on the slider moves along a straight line passing through centre of crank rotation. Trace the locus of midpoint ‘Y’ of the connecting rod. 7 marks
Ans: Refer problem 6.19 page 6.20 of ED - Basant Agrawal, TMH.
3. b) A line AB 75 mm long has its end point A 15 mm above HP and 10 mm in front of VP and end point B 45 mm above HP and 50 mm in front of VP. Determine true inclination of line AB with HP and VP. 7 marks
Ans: Refer problem 9.24 page 9.27 of ED - Basant Agrawal, TMH.

4. a) An isosceles triangular plane XYZ having its base XY = 50 mm and altitude 60 mm is resting on HP on its base XY with its surface making an angle of 45º to HP. The base XY which is in HP makes an angle of 60º to VP. Draw projection of plane. 7 marks
Ans: Refer problem 1 page 10.26 of ED - Basant Agrawal, TMH.
4. b) A Square pyramid, side of base 50 mm and axis length 60 mm is kept on HP on one of its base edges in such a way that its axis makes an angle of 45º with HP. If the base edge which is on HP makes an angle of 45º with VP, draw the projections when apex is 30 mm away from VP. 7 marks
Ans: Refer problem 11.27 page 11.30 of ED - Basant Agrawal, TMH.

OR

4. a) A Pentagonal plane of side 50 mm is kept on the HP on one of its side in such a way that its surface makes an angle of 45° with HP. Draw the projection of plane when side which is in HP is inclined at 60° with VP in such a way that nearest corner point is at a distance of 20 mm from VP. 7 marks
Ans: Refer problem 10.13 page 10.15 of ED - Basant Agrawal, TMH.
4. b) A cone with base circle diameter 60 mm and axis length 75 mm is kept on its base on the ground. It is cut by a sectional plane perpendicular to HP and inclined at 60° to VP at a distance of 8 mm away from the top view of axis. Draw sectional elevation and true shape of the section. 7 marks
Ans: Refer problem 12.26 page 12.27 of ED - Basant Agrawal, TMH.

5. a) A square pyramid made up of Aluminium sheet with side of base 50 mm and axis length 60 mm is kept on HP on a corner of its base with its axis inclined to HP at an angle of 45º and parallel to VP. It is cut by a plane perpendicular to both HP and VP and passing through the corner on HP. Develop the surface of the pyramid with portion containing apex. 7 marks
Ans: Refer problem 13.10 and 13.33 of ED - Basant Agrawal, TMH.
5. b) Draw Elevation and Left Hand Side View of Figure 2 according to First Angle projection method. 7 marks
Ans: Refer article 7.15 page 7.10 of ED - Basant Agrawal, TMH.

OR

5. a) A cone made up of Aluminium sheet with base circle diameter 70 mm and axis length 75 mm is kept on its base on the ground. A circular hole of 30 mm diameter is cut through the cone such that its axis remains perpendicular to VP, 10 mm to the right of axis of cone and 25 mm above the base of cone. Develop the surface of cone. 7 marks
Ans: Refer problem 13.29 and 13.34 of ED - Basant Agrawal, TMH.
5. b) Draw Elevation and Plan of Figure 2 according to Third Angle projection method. 7 marks
Ans: Refer article 7.15 page 7.10 of ED - Basant Agrawal, TMH.

PTU ME102 Engineering Drawing Dec 2008 Question Paper

BE (First/Second) Semester Exam
(Common to all Branches)
Time: 3 hrs
Maximum Marks: 60

Instruction to Candidates:

1. Section A is compulsory.
2. Attempt any five questions from Section B and C.
3. Select atleast Two questions from Section B and Two from Section C.

SECTION A (Marks: 2 each)

1. a) Why the projections of an object are not drawn in 2nd and 4th quadrants'?

Ans: There is a possibility of overlapping the front and top views.

Detail at page 7.7 article 7.10 of ED - Basant Agrawal, TMH.

b) Name the different styles of lettering'?
Ans: 1. Single-stroke letters (i) vertical (ii) inclined; 2. Gothic letters

Detail at page 2.6 article 2.8 of ED - Basant Agrawal, TMH.

c) Name the various dimensioning techniques?
Ans: On the basis of placing of dimensions: (i) aligned system (ii) angular system

On the basis of arrangement of dimensioning (i) continuous or chain dimensioning (ii) dimensioning from common feature- progressive type, superimposed type (iii) combined dimensioning (iv) dimensioning by coordinates
Detail at page 2.8-2.14 article 2.12 and 2.15 of ED - Basant Agrawal, TMH.

d) Draw a symbol of third angle projections.

Ans: Draw Fig. 7.9(c) page 7.8 of ED - Basant Agrawal, TMH.
e) What is a plane lamina?

Ans: Two dimensional objects having length, breadth and negligible thickness is called plane lamina.

Refer page 10.1 article 10.1 of ED - Basant Agrawal, TMH.
f) What is the trace of a straight line?

Ans: The point of intersection of a given straight line with the reference plane, extended if necessary, is known as the traces of straight line.
Detail at page 2.6 article 2.8 of ED - Basant Agrawal, TMH.
g) What is difference between cylinder and a cone?

Ans: Cylinder is obtained by revolving a rectangle about a fixed line whereas cone is obtained by revolving a right-angled triange about its perpendicular side.

Detail at page 11.2 article 11.2 of ED - Basant Agrawal, TMH.
h) How many numbers of equal faces are in octahedron?

Ans: Eight equal triangular faces
Detail at page 11.2 article 11.2 of ED - Basant Agrawal, TMH.
i) Define representative fraction (R.F.).

Ans: It is the ratio of the length of an element of the object in the drawing to the corresponding actual length of the corresponding element of the object.
Detail at page 4.2 article 4.3 of ED - Basant Agrawal, TMH.
j) Draw the dimension line.

Ans: Refer page 2.7 article 2.11 of ED - Basant Agrawal, TMH.

SECTION B (Marks: 8 each)

2. Write in double stroke vertical and inclined style, the following statement using ratio 7 : 4.

GOLDEN TEMPLE

Ans: Take height:width ratio for lettering as 7:4 and characters as shown in Fig 2.3(a) of ED - Basant Agrawal, TMH.

3. A square prism, base of 40 mm side, axis 70 mm long, is resting on its base on HP. One side of the base is inclined at 60° to VP. Draw its projections?

Ans: Draw Fig. 11.9(b) of page 11.6 ED - Basant Agrawal, TMH.

4. A point P is 30 mm above the HP and 40 mm in front of VP. Draw its projections.

Ans: Refer problem 8.1 page 8.2 of ED - Basant Agrawal, TMH.
5. A pentagon pyramid of 3o mm base edge and axis 70 mm long, resting on itsbase on the HP having a side of base perpendicular to VP. It is cut by a section plane parallel to VP and 10 mm away from the axis. Draw its sectional plan and elevation?.

Ans: Refer problem 12.20 page 12.22 of ED - Basant Agrawal, TMH.

SECTION C (Marks: 8 each)

6. Construct a scale havin g R.F. = 1:400 to show meters and long enough to measure up to 60 meters. Measure a distance of 44 meters on the scale.

Ans: Refer problem 4.2 page 4.4 of ED - Basant Agrawal, TMH.
7. A vertical square prism of 60 mm base and axis length of 11o mm is resting on one of its square base on ground and having its two rectangular faces equally inclined to VP. A horizontal square hole of side 40 mm is drilled through it such that the axes of both the prism and the hole bisect each other at right angle. The faces of the hole are equally inclined to HP. Draw the projection of the combination and show the lines of intersection.

Ans: Refer problem 14.1 page 14.2 of ED - Basant Agrawal, TMH.
8. Incomplete orthographic projection of an object is shown in Figure. Draw the missing lines in these views.

Ans: Refer chapter 7 of ED - Basant Agrawal, TMH.
9. A pentagon prism of side 50 mm and 130 mm height is resting on its base with one of the vertical faces which is away from the observer parallel to VP. A vertical bore of 74 mm diameter is cut through its face so that the axis of thc hole is bisecting the axis of the prism and is parallel to HP and VP. Draw the development of the lateral surface of the prism.

Ans: Refer problem 3 page 13.36 of ED - Basant Agrawal, TMH.

Also refer problems 13.20, 13.21 and 13.23.

PTU ME102 Engineering Drawing May 2008 Question Paper

BE (First/Second) Semester Exam
(Common to all Branches)
Time: 3 hrs
Maximum Marks: 60

Instruction to Candidates:

1. Section A is compulsory.
2. Attempt any five questions from Section B and C.
3. Select atleast Two questions from Section B and Two from Section C.

SECTION A (Marks: 2 each)

1. a) What do you mean by conventions?
Ans: A convention is a set of agreed, stipulated or generally accepted standards, norms or criteria, taking the form of a custom. Detail in chapter 1 of ED - Basant Agrawal, TMH.

b) What is the meaning of 7:4 ratios in lettering?

Ans: It gives height:width ratio.
Detail at page 2.6 article 2.8 of ED - Basant Agrawal, TMH.

c) What are the uses of diagonal scale?

Ans: It is used to represent three units i.e. ...

Detail at page 4.8 article 4.9 of ED - Basant Agrawal, TMH.
d) What are different methods of development of surfaces?
Ans: Parallel line, radial line, triangulation, approximation.

Detail at page 13.1 article 13.3 of ED - Basant Agrawal, TMH.

e) What is cutting plane?

Ans: Cutting plane (or section plane) is an imaginary plane used to cut objects completely or parially to show interior details.

Detail at page 12.1 article 12.2 of ED - Basant Agrawal, TMH.
f) What are oblique solids?

Ans: Solids having axis inclined to base.

Detail at page 11.3 article 11.2 of ED - Basant Agrawal, TMH.
g) What is difference between a plane and a lamina?

Ans: Plane is a flat surface whereas lamina is a thin flat plate of a larger composite structure. Two-dimensional figures and lamina are assumed to be on a certain plane.

h) Define a straight line?

Ans: Shortest distance between two points.
Detail at page 9.1 article 9.1 of ED - Basant Agrawal, TMH.
i) How a point is determined in space?

Ans: By specifying its position and distances from the reference planes.
Detail at page 11.3 article 11.2 of ED - Basant Agrawal, TMH.
j) Draw a symbol of third angle projections?

Ans: Draw Fig. 7.9(c) page 7.8 of ED - Basant Agrawal, TMH.

SECTION B (Marks: 8 each)

2. A straight line AB 50 mm long makes an angle of 45° to the VP. The end A is 15 mm from the VP and 12 mm from the HP. Draw the top view and front view of the line AB..

Ans: Assume point lies in the first quadrant (in first angle).

Refer problem 9.5 page 9.6 of ED - Basant Agrawal, TMH.

3. Draw free hand sketches of foot step bearing (Front and top views). Show the mean dimensions also.

4. Write in double stroke vertical and inclined style, the following statements using ratio 7:4.

TIT FOR TAT

Ans: Take height:width ratio for lettering as 7:4 and characters as shown in Fig 2.3(a) of ED - Basant Agrawal, TMH.
5. A vertical cylinder of 45 mm diameter and height 70 mm resting on its base on HP, is completely penetrated by another cylinder of same diameter and length . Their axes bisect each other at right angles and are parallel to VP. Draw their projections showing lines of interpenetration on two cylinders.

Ans: Refer problem 11 page 14.27 of ED - Basant Agrawal, TMH.

SECTION C (Marks: 8 each)

6. Draw the projections of a square pyramid of base edges 30 mm and axis 54 mm, resting on its base on HP with one base edges parallel to VP and axis perpendicular to the HP.

Ans: Refer Problem 11.1(a), Fig 11.8(a) page 11.5 of ED - Basant Agrawal, TMH.
7. (a) A square prism of side 30 mm 40 mm height is resting on HP. A vertical square bore of 10 mm side is cut through its face reaching other square face of the prism. Draw the isometric projection ofthe prism.

Ans: Need practice to solve problem 15.9 and 15.28 of ED - Basant Agrawal, TMH.

(b) A cube of 40 mm edges is resting on its one of its faces on HP with a vertical face inclined to 30° to VP. It is cut by a section plane parallel to the VP and passes 15 mm away from the axis. Draw its top view and sectional front view.

Ans: Refer problem 12.3 page 12.6 of ED - Basant Agrawal, TMH.
8. An equilateral triangle of 30 mm sides has a corner in VP and 20 mm away for HP. Draw its projections and traces when the plane is parallel to the HP and one of its sides inclined at 45° to the VP.

Ans: For top view, draw an equilateral traingle such that a side is making 45° with xy line and the corner opposite to the side in on xy line. For front view, draw line parallel to and 20 mm above xy line. The front view also represents the VT whereas HT does not exist.

Refer Chapter 10 of ED - Basant Agrawal, TMH for detail.
9. A pentagon prism of 25 mm base edges and 50 mm long, resting on its base with an edge of base at 45° to the VP. The prism is cut by a section plane V.T. inclined at 30° to the HP and passes through a point 25 mm from the base along its axis . Develop its lateral surface of the truncated prism.

Ans: Refer problems 13.2 and 13.3, page 13.3 of ED - Basant Agrawal, TMH.

RGPV BE105 Engineering Drawing Dec 2008 Question Paper

BE (First/Second) Semester Exam
(Common to all Branches)
Time: 3 hrs
Maximum Marks: 100
Minimum Marks: 35

Note: (i) Answer ONE question from each unit.

(ii) Assume misprint/missing data suitably.

(iii) Draw in first angle projection unless otherwise specified.

(iv) Due credits will be given for neatness, quality of lines and lettering.

Unit-I

1. a) A map is to be drawn with RF 1:40. Construct a scale to read metres, decimeters and centimeters and long enough to measure upto 6 m. Show on it a distance of 3.84 m. 8 marks

Ans: Problem 4.11 with data of problem 4.1, ED - Basant Agrawal, TMH.

1. b) A point moves in a plane in such a way that the sum of its distances from two fixed points 60 mm apart is 90 mm. Name and draw the locus of this point around the fixed points. 8 marks

Ans: Problem 4 Page 5.33, ED - Basant Agrawal, TMH.

OR

2. a) A cube of 5 cm side represents a tank of 8000 cubic metre volume. Find the RF and construct a scale to measure upto 60 m and mark on it a distance of 47 m. Indicate RF of the scale. 8 marks

Ans: Problem 24 Page 4.25 of ED - Basant Agrawal, TMH.

2. b) A point moves along a bar at an uniform speed. The bar rotates about its end O at an uniform speed. Name and construct the path of a point P starting from a position 20 mm away and move upto 60 mm away from the fixed end of bar during its one revolution. Draw tangent at a point 45 mm away from O. 8 marks

Ans: Archemedian spiral has to be drawn for one convolution having shortest and greatest radii 20 mm and 60 mm respectively. Also draw tangent and normal to the curve. Refer problem 6.6 Page 6.6, ED - Basant Agrawal, TMH.

Unit-II

3. a) A line AB inclined at 40º to HP has its front view 60 mm long and inclined at 60º to the reference line. One end is 20 mm away from both the reference planes in first quadrant. Locate the position of end B. Find true length and true inclination of the line with VP. Also show its traces. 8 marks

Ans: Similar to problem 15 Page 9.47, ED - Basant Agrawal, TMH.

3. b) A pentagonal lamina of 30 mm side rests on HP on one of its corners with its surface perpendicular to VP and inclined at 30º to HP. Draw its projections when the side opposite to the corner in HP is parallel to VP. 8 marks

Ans: Problem 14 Page 10.13 of ED - Basant Agrawal, TMH.

OR

4. a) The front view of a 75 mm long straight line AB measures 45 mm, while its top view measures 60 mm. Its end A lies 15 mm below HP and 20 mm behind VP, while the other end lies in first quadrant. Draw the projections of AB and obtain true inclinations of AB with the reference planes. 8 marks

Ans: Problem 12 Page 9.58, ED - Basant Agrawal, TMH.
4. b) The top view of a lamina whose surface is perpendicular to VP and inclined at an angle of 45º to HP appears as a regular hexagon of 30 mm side, having a side parallel to the reference line. Draw the projections of plane and obtain its true shape. 8 marks
Ans: Problem 24 Page 10.14 of ED - Basant Agrawal, TMH.

Unit-III

5. a) A square prism of base side 25 mm and height 60 mm, is kept on HP with its axis vertical and two base sides equally inclined to VP. It is cut by a section plane whose VT makes an angle of 30º with the reference line bisects the axis. Draw sectional top view and true shape of section. 8 marks

Ans: Refer Fig. 12.49 Page 12.38 of ED - Basant Agrawal, TMH.

5. b) A right regular hexagonal pyramid of base side 25 mm and height 70 mm has a base edge in HP and slant edge in VP. Draw projections of the pyramid. Also draw another top view on an auxiliary plane inclined at 30º to HP. 8 marks

Ans: Refer article 11.22 Projections of solids on auxilary inclined plane of ED - Basant Agrawal, TMH.

OR

6. A right regular hexagonal pyramid of base 30 mm side and axis 75 mm long has one of its slant edges in the HP and the vertical plane containing this edge and axis is inclined at 30º to the VP. Draw the projection when apex is 20 mm in front of VP.

It is now cut by a section plane whose HT makes an angle of 60º with the reference line. Draw sectional view and true shape of section when the section plane bisects the axis. 8 marks

Ans: Problem 11.38 Page 11.39, ED - Basant Agrawal, TMH, and thereafter proceed with sections of solids.

Unit-IV

7. a) The isometric view of an object is shown in Fig. 1. Draw its three views looking from the directions shown. 8 marks

Ans: Refer Chapter 15 isometric projections of ED - Basant Agrawal, TMH.

OR

7. a) Draw isometric projection of a spherical ball of 40 mm diameter resting centrally on the top of a pentagonal disc of base side 30 mm and height 50 mm. 8 marks
Ans: Refer problem 15.21 Page 15.15 of ED - Basant Agrawal, TMH

7. b) Develop the lateral surface of a right regular hexagonal prism of base 35 mm side and height 75 mm, kept vertically with a base side perpendicular to VP and having a cylindrical hole of 40 mm diameter drilled centrally with the axis of hole being perpendicular to VP. 8 marks

Ans: Problem 3 Page 13.36 of ED - Basant Agrawal, TMH.

OR

8. A vertical circular pipe of 60 mm diameter has a branch of 40 mm diameter at right angles with their axes in the same plane, which is parallel to the reference VP. Draw the curve of intersection. Also develop the surface of two pipes in the region of intersection. 16 marks

Ans: Refer problem 14.6 Page 1.7 of ED - Basant Agrawal, TMH:

Unit-V

9. a) Discuss salient features of CAD. 4 marks

Ans: Refer Page 18.1 of ED - Basant Agrawal, TMH.

9. b) State the series of AutoCAD command steps to draw a rectangle of size 100 mm × 60 mm with the help of line commands. 4 marks

Ans: Problem 22 Page 18.45, ED - Basant Agrawal, TMH.

9. c) Explain any four methods of drawing an arc in AutoCAD. 8 marks
Ans: Problem 19 Page 18.44, ED - Basant Agrawal, TMH.

OR

10. Fill in the blanks: 4 marks

a) The command used to make a mirror copy of the selected object is named as mirror.

b) The movement of pick box and cross hairs is guided by the mouse.

c) Limits command creates an artificial and invisible boundary for the drawing.

d) The standard tool bar contains commonly used draw and edit.

10. b) Name various methods of locating a point in CAD and explain any one of them. 6 marks
Ans: Problem 11 Page 18.44, ED - Basant Agrawal, TMH.
10. c) State the series of command steps required to reproduce the object shown in fig. 2. with the help of line command using rectangular coordinate system. 6 marks

Ans: Problem 19 Page 18.44, ED - Basant Agrawal, TMH.

RGPV BE105 Engineering Drawing June 2008 Question Paper

BE (First/Second) Semester Exam
(Common to all Branches)
Time: 3 hrs
Maximum Marks: 100
Minimum Marks: 35

Note: (i) Attempt FIVE questions, selecting ONE questions from each unit.

(ii) Suitably assume any missing data.

(iii) Use half imperial size drawing sheet.

(iv) Due credits will be given for neatness, quality of lines and lettering.

Unit-I

1. a) A rectangular plot of land measuring 1.28 hectares is represented on a map by a similar rectangle of 8 sq. cm. Calculate R.F. of the scale of the map. Draw a diagonal scale to read 1 m and long enough to measure 600 m. Show a distance of 438 m on it. 8 marks

Ans: Refer problem 4.19 Page 4.14 of ED - Basant Agrawal, TMH.

1. b) A circle of 40 mm diameter rolls along a line for one revolution clockwise. Draw and name the locus of a point on the circle which is in contact with the line. 8 marks

Ans: Refer problem 6.1 Page 6.1 of ED - Basant Agrawal, TMH.

OR

2. a) Using the scale of chords, construct angles of 45 degree and 125 degree. 8 marks

Ans: Refer problem 4.30 Page 4.23 of ED - Basant Agrawal, TMH.

2. a) Construct a parabola with base 60 mm and length of axis 40 mm. Draw a tangent to the curve at a point 20 mm from the base. 8 marks

Ans: Use tangent method (problem 5.16 of ED - Basant Agrawal, TMH)

or Use rectangle method (problem 5.17 of ED - Basant Agrawal, TMH)

Unit-II

3. a) The pictorial view of a block is given in fig. 1. Draw the front view, the side view and the top view looking from the direction A, B and C in first angle projection. 8 marks

Ans: Refer Chapter 7 Orthographic projections of ED - Basant Agrawal, TMH

3. b) The length of top view of a line parallel to the V.P. and inclined at 45 degree to the H.P. is 50 mm. One end of the line is 12 mm above the H.P. and 25 mm in front of the V.P. Draw the projections of the line and determine its true length. 8 marks

Ans: Refer problem 9.10 Page 9.11 of ED - Basant Agrawal, TMH.

OR

4. A line AB has its ends A and B 20 mm and 45 mm in front of V.P. respectively. The end projectors of the line are 50 mm apart. The H.T. of the line is 10 mm in front of the V.P. The line is inclined at 35º to H.P. Draw the projections of the line and determine the true length of line and locate its V.T. of the line from H.P. and inclination of the line with V.P. 16 marks

Ans: Refer problem 9.36 Page 9.37 of ED - Basant Agrawal, TMH:

Unit-III

5. a) A regular hexagonal lamina of 40 mm sides has a square hole of 25 mm side centrally cut through it. Draw the projections when it is resting on one of its sides on H.P. with its surfaces inclined at 60º to V.P. and its corner nearest to the V.P. is 24 mm from the V.P. 8 marks

Ans: Refer problem 10.25 Page 10.25 of ED - Basant Agrawal, TMH.

5. b) Draw the projections of a pentagonal prism base 25 mm side and axis 50 mm long, resting on one of its rectangular faces on the H.P. with the axis inclined at 45º to the V.P. 8 marks

Ans: Refer problem 11.17 Page 11.20 of ED - Basant Agrawal, TMH.

OR

6. a) A thin 30-60 degree set square has its longest edge in the V.P. and inclined at 30º to the H.P. Its surface makes an angle of 45º with the V.P. Draw its projections. 8 marks

Ans: Refer problem 13 Page 10.26 of ED - Basant Agrawal, TMH:

6. b) A hexagonal pyramid base 25 mm side and axis 55 mm long has one of its slant edges on the ground. A plane containing that edge and the axis is perpendicular to the H.P. and inclined at 45º to the V.P. Draw its projections when the apex is nearer the V.P. than the base. 8 marks

Ans: Refer problem 11.38 Page 11.40 of ED - Basant Agrawal, TMH.

Unit-IV

7. a) A pentagonal pyramid side of base 35 mm and axis 60 mm long rests with its base on H.P. such that one of the edges of the base is perpendicular to V.P. A section plane perpendicular to H.P. and parallel to V.P. cuts the pyramid at a distance of 20 mm from the corner of the base nearer to the observer. Draw its top and sectional front view. 8 marks

Ans: Refer problem 12.20 Page 12.22 of ED - Basant Agrawal, TMH.

7. b) A cone of base 50 mm diameter and 65 mm height rests with with its base in H.P. A section plane perpendicular to V.P. and inclined at 30º to H.P. bisects the cone. Draw the development of the lateral surface of the truncated cone. 8 marks

Ans: Refer problem 13.7 Page 13.7 of ED - Basant Agrawal, TMH.

OR

8. a) A cube of 50 mm side rests with one of its edges on H.P. such that the square faces containing that edge are making equal inclination with H.P. A horizontal section plane cuts the cube at a distance 18 mm below the horizontal edge nearer to the observer. Draw the sectional top view and front view of the cube. 8 marks

Ans: Refer problem 12.1 Page 12.4 of ED - Basant Agrawal, TMH:

8. b) The front and side views of an I beam are shown in fig. 2. Draw the isometric view of the beam. 8 marks

Ans: Refer Chapter 15 isometric projections of ED - Basant Agrawal, TMH

Unit-V

9. a) What is CAD? What are the main benefits of it? 6 marks

Ans: Refer Page 18.1 of ED - Basant Agrawal, TMH.

9. b) State and explain any five significant EDIT commands used in CAD software. 10 marks

Ans: Refer Page 18.26 of ED - Basant Agrawal, TMH.

OR

10. Fill in the blanks: 16 marks

a) According to AutoCAD, an engineering drawing is considered to be made up of different drawing elements known as entities.

b) Graphics can be converted into hard copy with a Print.

c) AutoCAD settings are called default settings.

d) Size of Electronic Drawing Sheet can be changed to any value by setting Limits and Units.

e) Ortho command allows you to draw lines at right angles only.

f) Grid command is used to display dotted lines on the screen at predefined spacing.

g) Save/Qsave command saves the work.