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[QUOTE=mariammal;186343][B]Document Described : [/B]Engineering Drawing Question Paper, Jharkhand Question Paper
[B]
ENGINEERING  DRAWING[/B]
Full Marks - 70
Pass Marks - 23
Time - 3  Hours
All questions are compulsory.
Candidates are required to give their answers in their own words as far as practicable.
Figures in the margin indicate ful marks.

[URL]http://jac.nic.in/model_questions.htm[/URL]
[URL]http://jac.nic.in/pdf/model_questions/Vocational_EngineeringDrawing12_08.pdf[/URL]

1. A cylindrical block of base 50 mm diameter and height 90 mm standing on H.P. with its axis  perpendicular  to  the  H.P.  Draw  its isometric view. 5
2. Answer al questions : 2×5=10
(a) What  is  difference  between  the  isome- tric view and isometric projections ?
(b) Isometric length
  True length = ?
(c) Draw the isometric view of an equilateral triangle  when  its  surface  is  parallel  to V.P. (take 50 mm as one of sides of the equilateral triangle).
(d) A  semicircle  of  diameter  60  mm  and whose  surface  is  parallel  to  V.P.,  then develop the Isometric view. 
(e) What  is  isometric  graph  ?  How  is  it different from the normal graph ?
3. Draw the isometric view of a Cone of base 40 mm diameter and axis 55 mm long when its axis is horizontal. 5
4. Show by means of sketches the conventional methods  of  showing  the  following  screw threads : 21 2 ×4=10
(c) Left-hand  square  thread,  dia  20  mm, pitch 3 mm
(d) Double start square thread, dia 40 mm, pitch 3 mm.
5. Draw three views of a hexagonal headed bolt 24 mm dia and 100 mm long with hexagonal nut  and  washer  (assume  other  data  if needed). 10
6. Draw the isometric view of a Square headed bolt 24 mm diameter 70 mm long with square neck 18 mm thick and head 40 mm square and 18 mm thick. 5
7. Draw  the  sectional  view  and  the  top  view  of two  20  mm  thick  plates  fastened  together  by means of 20 mm diameter stud, a hexagonal nut and washer. Insert important dimensions.
8. Draw sectional view, the top view and side view of a single revetted lap joint for 12 mm thick plates.  Show  the  pitch,  margin  and  width  of overlap. 10
9. Draw with free hand sketches: 21
(a) Eye foundation bolt
(b) Rag bolt.[/QUOTE]

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