# 1932 and Mm

Topics: 1921, 1925, 1932 Pages: 5 (793 words) Published: June 20, 2013
Seat No.: _____

Enrolment No.______

GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Semester -I Remedial Examination April - 2010

Subject code: 310029
Date: 26 / 04 / 2010

Subject Name: Engineering Drawing.
Time: 10.30 am – 01.30 pm

Total Marks: 70

Instructions:
1. Attempt all questions. 2. Make suitable assumptions wherever necessary. 3. Figures to the right indicate full marks. 4. English version Authentic Q.1 (a) 08

(b) Q.2 (a) (b) (b) Q.3 (a) (b) Q.3 (a) (b)

A pictorial view of an object is shown in Fig. 1. Draw to full size it’s Following views using ‘First Angle projection method’, (i) Elevation- looking from direction ‘X’ (ii) Top view (iii) Left hand side view Give dimensions using unidirectional system. Fig-2 shows two views of an object draw its isometric projection. Draw the following views for Fig-3, (i) Bottom view (ii) Rear view Draw pentagon & hexagon by universal method having side 30 mm. OR Construct an ellipse having major axis and minor 120 mm and 80mm respectively by half oblong and half concentric circle method. Draw rectangular parabola for length =110mm & height = 80 mm. Draw involute of pentagon , side = 30 mm. OR Draw cycloid of circle having diameter 60 mm. A line PQ 80mm long inclined at 45 deg. to the H.P. and 30 deg.to the V.P. Its end ‘P’ is 10mm Above H.P. and 20mm in front of V.P. Draw its projection. The top view of a 80 mm line AB measures 50 mm. The point A is 50 mm. in front of V.P. and 20 mm above the H.P. The point B is 20 mm. in front of the V.P. and above H.P. Draw projections . A thin rectangular plate of side 60 X 30 mm has its shorter side in the H.P., It is inclined at 45Deg. with H.P. and side on which it rests makes an Angle of 30 deg. to V.P. Draw the projection of plane.

06 08 8 06 6 06

07 07 07 07

Q.4

(a)

07

(b)

07

Q. 4

(a)

OR A regular pentagon of 30mm side has a corner in H.P. Its surface is 07 inclined at 45 Deg. to H.P. and top view of diagonal through corner which is in H.P. is inclined at 30 deg. with V.P. Draw the projection plane.

(b)

The number of books of different subjects available in library of

07
1

polytechnic as under. Draw pie chart. Sr no. subject Number of Books 1 Engineering materials 320 2 Electrical circuits 120 3 Basic mechanical engineering 160 4 Basic Electronics 90 5 Computer Applications 80 Q.5 (a) Draw freehand neat proportional sketch of following. (any four) (i) Acme thread (ii) swan nut (iii) counter sunk head screw. (iv) external thread (v) wood rub key (vi) Snap headed rivet (i) Prepare list modern methods of storing and reproduction of drawing. Describe in brief any one method used recently. (ii) A line MN has end projector distance 80 mm. Point M is 14 mm . Above H.P. and 22 mm. front of v.p. End N is 70 mm above h.p. and 60 mm front of v.p. Draw projections. OR Fill up the blanks. 1. T-square is used to draw ___________ lines. 2. The size of Title block is ______ x ________. 3. System of Dimensioning is ________ & ________. 4. Symbol for Ist angle is ________. 5. If e(eccentricity)>1 ,the curve is ____________. 6. curve generated above Directing circle is _________. 7. In I st angle projection L.H.S. is on __________ of Front view. A circular plate of 60 mm. Diameter inclined 45 deg. to v.p. and parallel to H.P. Draw projection. 04

(b)

05

05

Q.5

(a)

07

(b)

07

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.4 30 45    Sr no. 1 2 3 4 5 ° . subject Number of Books Engineering materials 320 Electrical circuits 120 Basic mechanical engineering 160 Basic Electronics 90 Computer Applications 80 30 . , . ë . . 07  ...

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