1) Medium thickness, line-group of 2mm are not used for                   out lines dotted lines cutting plane -lines dimension lines Initial work and construction lines are drawn using     pencil

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1) Medium thickness, line-group of 2mm are not used for                  

1. out lines
2. dotted lines
3. cutting plane -lines
4. dimension lines

2. Initial work and construction lines are drawn using     pencil.

1. 3H
2. 4H
3. H
4. 2H

3. Centre lines, section lines are drawn using     pencil.

1. H
2. 2H
3. 3H or 4H
4. HB

4. Drawing pencils are graded according to increase in relative                   

1. diameter
2. sharpness
3. length
4. hardness

5. In engineering drawing, which type of line indicates that there is a change of plane?

1. Continuous thin wavy
2. Long chain thin
3. Continuous thick
4. Medium thick short dashes

6. Which of the following lines are used to show that the object is cut and then viewed?

1. Hidden lines
2. Leader lines
3. Centre lines
4. Hatching Lines

7. What do hidden lines in orthographic projections denote?

1. Holes or slots
2. Change of Plane
3. Position of cut
4. Centre of a circle or cylinder

8. The axis of the cylinder or sphere is denoted by which of the following line?

1. Section line
2. Centre line
3. Hidden line
4. Leader line

9. What is the standard length and width of the arrowhead of dimension lines?

1. 2mm and 2mm
2. 3mm and 1mm

3. 4mm and 2mm
4. 3mm and 2mm

10. What is the length of the short dashes of the centre lines?

1. 5mm
2. 2mm
3. 1mm
4. 3mm