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-;rP---~--- ~ANNA UNIVERSITY COIMBA TORE

B.E./ B.TECH. DEGREE EXAMINATIONS: JAN / FEB 2010

REGULATIONS -2008080120001-ENGINEERING GRAPHICS

FIRST SEMESTER -COMMON TO ALL BRANCHESSESSION DATE & TIME: 01 FEB 2010 - 2.30PM- 5.30PM

Max.Marks:100Time:3Hours

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PART - A(10 x 2 =20 MARKS)

(DRAW FREE HAND SKETCHES WHEREVER REQUIRED)

1.

2.

What is eccentricityin conic sections?

List any two engineeringapplicationsof involutes.

Draw the Projection of a pointQ, lying on HP and 50 mm in front of VP.

What are apparent'angles of inclination?

A circular lamina of diameter 55 mm is held perpendicular to the HP and

inclined 30 to theVP. Draw its projections

How the solids are classified?

What are the applicationsof sectionalviews?

Draw the shape of the development of the lateral surface of a frustum of a

PART - B(2" 16=32 MARK~)

DRAW FREE HAND SKETCHES

11. A fixed point F is 75 mm from a fixedstraight line.Drawthelocusofa point

P moving in such a way that its distance from the fixed straightline is 3/2

times its distance from F. Draw normal and tangent at any point Q on the

3.

4.

5.

6.

7.

8.

9.

10.

cone.

What is isometricscale?

curve.

12.

(OR)

Drawanepicycloidof rollingcircle40 mm,whichrollsoutsideanothercircle

of 150mmdiameterfor one revolution.Drawa tangentandnormalat any

pointP onthecurve.

What is perspectiveprojection?

13. Draw the plan, elevationand leftside view for the given isometricview

~F

(OR)

~;;

2

..

rl -

~-

14. Draw the Isometricview for the given orthographicviews.

20."

pf-RT- C(3 X 16 =48 MARKS)

DRAW USING ANY cOMPuigR AIDED DRAFTING SOFTWARE

15. A line measuring80 mm longh~soneof itsends60 mmaboveHP and

20 mmin frontofVP. The othere~dis 15mmaboveHP andinfrontofVP.

The frontviewof thelineis60mmlOng.Drawthe topview.(OR)

A hexagonalplateof side30 mm,restingon oneof itsedgeson VP andinclined at 40 to HP. Its surfact is inclinedat 35 to VP. Draw its

~projections.

16.

3

)\1

17.A hexagonal pyramid of side 25 mm axis 50 mm long lies with one of its

triangularfaces on HP and its axis is parallelto VP. Draw its projections.

(OR)

18.A squareprism,side of base 30mmand axis 60 mmlong, rests withits

baseon HP andone of its rectangularfaces is inclinedat 30 to VP. A

sectionplaneperpendiculartoVP andinclinedat60to HP cutstheaxisof

theprismata point20mmfromitstopend.Drawthesectiqnaltopview.

19. A coneof base50 mmDiaandheight65 mmrestswithitsbaseon HP. A

Sectionplaneperpendicularto VP and inclinedat 30to HP bisects the

axis of the cone.Draw the developmentof itslateral surface.

(OR)

Drawtheplan,elevation,leftsideviewforthegivenisometricview

. .

*****THE END**-"*,

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