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ISRO Draughtsman-B
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ISRO Draughtsman-B Mechanical 2019
28

ISRO Draughtsman-B Mechanical Question Paper - 2019 (Set -1) with Answer Key

28) A square plate of side 40 cm is cut into a circular shape of diameter 40 cm. The percentage of material wasted is

10.50%

15.50%

20.50%

21.50%

Answer is:

21.50%

ISRO Draughtsman-B Mechanical Question Paper - 2019 (Set -1) with Answer Key

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Related ISRO Draughtsman-B Mechanical Question Paper - 2019 (Set -1) with Answer Key

29) In _____ projection, the projectors are perpendicular to the plane of projection

Oblique

Orthographic

Perspective

Isometric

Answer is:

Orthographic

30) In isometric projection, each of the three axes makes an angle of _____ with the other two

30 degree

45 degree

120 degree

none of these

Answer is:

120 degree

31) Zero line in a tolerance system represents

minimum size

basic size

actual size

none of these

Answer is:

basic size

32) A right circular cone is cut at half the height parallel to the base. The area of the cut section is

Equal to area of the base

1/2 the area of the base

1/3 rd the area of the base

1/4 th the area of the base

Answer is:

1/4 th the area of the base

ISRO Draughtsman-B Mechanical Question Paper - 2019 (Set -1) with Answer Key

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