Assignments ; Question BANK EDR 312311 ,22207

 

              Assignments & Question BANK I   

 

Subject : Engineering Drawing  312311       

branch : Mechanical engg  

                         Chpt.1    Projection of lines and planes

QU.	Description	marks
1	When line is perpendicular to V.P., state whether following statements are true or false : (i) Front view shows true length (ii) Top view shows true length	2
2	If a line is perpendicular to VP and parallel to HP, state whether the following statements are true or false: (i) Front view of a line shows true length. (ii) Top view of a line is perpendicular to XY line.	2
3	Line AB, 80 mm long is inclined at 30º to the H.P. and 45º to the V.P. Its end A is 15 mm above the H.P. and 25 mm infront of the V.P. Draw its projections. Assume the line is to be in first quadrant.	4
4	Line ‘AB’ is 70 mm long. Its FV and TV measure 40 mm and 60 mm respectively. End ‘A’ is 15 mm above HP and 20 mm in front of V.P. Draw projections of line ‘AB’ if end ‘B’ is in first quadrant. Find angle with HP and VP.	4
5	Distance between end projectors A and B of line AB is 60 mm. End A of the line is 20 mm above H.P. and 40 mm infront of V.P. End B of the line is 50 mm above the H.P. and 40 mm infront of V.P. Draw the projection of line AB and find out inclination with H.P. and its true length	4
6	The top view of 80 mm long line CD measures 68 mm, while the length of its F.V. measures 54 mm. Its one end C is in HP and 15 mm in front of VP. Draw projection of CD and determine its incination with HP& VP. Also locate traces of the line	4
7	. An isosceles triangle ‘ABC’ of base ‘AB’ 40 mm and altitude 70 mm has its base ‘AB’ in V.P. and perpendicular to HP. The triangle is inclined to VP so that front view obtained is an equilateral triangle. Draw the projections and find the inclination of plane with VP.	4
8	A 30º – 60º set-square has its shortest edge 50 mm long in V.P. Its surface is perpendicular to H.P. and inclined to V.P. such that its front view appears as an isosceles triangle. Draw its three views and determine its inclination with V.P.	4
9	A regular hexagonal thin plate of 40 mm side has a circular hole of 45 mm diameter in its centre. It is resting on one of its corner in H.P. Draw its projections when the plate surface is vertical and 30º to V.P.	4
10	A circular plate of diameter 60 mm is kept on the H.P. on a point of its  to H.P. and°circumference. The surface of circular plate make an angle of 40 perpendicular to V.P. Draw three views.	04
11	A set square ABC has side AB equal to 70 mm. It is resting on the° – 60°A 30  to°H.P. with AB perpendicular to V.P. and plane of set square inclined at 45 H.P. & parallel to V.P. Draw the projections..	04
12	A circular plate of 40 mm dia. is resting on point of circumference on H.P. The  to H.P. A central square hole°plane of plate is normal to V.P. and inclined at 45 of 15 mm side is cut centrally through it. Take all sides of hole equally inclined to V.P. Draw (i) FV (ii) Top view.	04
13	A circular plate of negligible thickness of 50 mm diameter is resting on HP on one of its points of circumference. The plate is perpendicular to VP and inclined to HP by 30º. Draw its projections..	04
14	A semi-circular plate of 60 mm dia. has a straight edge in the V.P. and  to V.P. Draw the°perpendicular to H.P. The surface of plate is inclined at 30 projections.	4

Section I

QU-1 Fig.- shows the pictorial view of an object. 

Draw : (i) Sectional front view along symmetry of the object (ii) L.H.S.V   iii) Top View

Use first angle method.

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QU-2       Fig.- shows isometric view of a CI block.

Draw :

(i) Sectional F.V. in the X-direction

(ii) T.V.

(iii) L.H.S.V.

QU.3              Fig.  shows isometric view of a machine component. 

          Draw the following views :

 (i) Sectional F.V. looking in the direction of X (Section B – B)        (ii) T.V.

QU.4 A line AB, 65 mm long is inclined to HP at an angle of 45º. Its end A is 15 mm above HP and 25 mm infront of VP. Line AB is contained by a vertical plane making an angle of 45º to VP. Draw the projections of line and find inclinations of the line with VP.

QU.5)    a) When line is perpendicular to V.P., state whether following statements are true or false    (i) Front view shows true length (ii) Top view shows true length

       b) If a line is parallel to VP and inclined to HP, state whether following statements are   
          true or false. i) Front view of the line shows its true length. ii) Top view of the line is  inclined to XY.

c) With a simple sketch explain 1) removed section. 2) Revolved section

 Q.6)Line AB, 80 mm long is inclined at 30º to the H.P. and 45º to the V.P. Its end A is 15 mm above the H.P. and 25 mm infront of the V.P. Draw its projections. Assume the line is to be in first quadrant.

 Q.7)The top view of a 75 mm long line AB measures 65 mm, while the length of its F.V. is 50 mm . Its one end A is in the H.P. and 12 mm in front of V.P. Draw the projections of line AB (Two Views)

Q.8)End P of line PQ is 25 mm above HP and is in VP. The length of line is 80 mm and it makes 55° to HP and 30° to VP. Draw its projections.

 

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Section  II

 

1)A 30º – 60º set-square has its shortest edge 50 mm long in V.P. Its surface is perpendicular to H.P. and inclined to V.P. such that its front view appears as an isosceles triangle. Draw its three views and determine its inclination with V.P.

 2)    A cone is lying on the H.P. on its curved surface with its axis parallel to V.P. What will    

         be the top view of base ? (i) Circle (ii) Square (iii) Ellipse

3)A hexagonal plate of side 30 mm has a corner is VP and its surface making 40° to VP and perpendicular to HP. Draw its three views.

 4)A square pyramid , side of base 40 mm and length of axis 60 mm is resting on its base corner on H.P. in such a way that base makes an angle of 30 deg with H.P.. Draw its projections.

  5) A cone of base 50 mm diameter and axis length 65 mm is resting on its apex on HP. Axis of cone is parallel to VP and inclined 45° to HP. Use first angle method and draw projections

Qu.6 : Draw neat & proportionate free hand sketch of       

i)   Double Rivetted Lap joint.   ii) Double riveted lap joint. (chain type)    iii) Flexible flange coupling. iv) Lewis foundation bolt.    V ) Wing Nut.  Vi)  Castle Nut. 

   vii) Single headed feather key.     Viii) Single Riveted,        ix ) Single strapButt Joint.    x) Eye Foundation Bolt.   Xi) Rag foundation bolt.

 Qu. 7 Draw the conventional representation of :

(i) Spot Weld   (ii) Single J-butt Weld      iii) Double U-butt  (iv) Single bevel butt  v) All round fillet weld  vi) Single V-butt

 Qu. 8 Draw neat & proportionate free hand sketch of i) pulley with web. ii) Half lap  muff coupling. Iii) Protected Flange Coupling.

 Qu. 9 Draw the conventional representation of following material :         (i) Concrete   (ii) Brass  (iii) Glass  iv) Steel   v)Rubber (vi) Wood  vii)Metal  (steel)

 Qu. 10  With a simple sketch explain  

                       1) removed section. 2) Revolved section

QU.11   A rectangular lamina ABCD of smaller side AB= 30 mm & Longer side BC=50 mm ,resting on the V.P on its smaller side AB Lamina is inclined to V.P in such a way that its front view appears to be a square. Side AB is perpendicular to H.P. Draw three views of Lamina & find its inclination with V.P

 

  

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