Curve and surface design Questions

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11.

From the following, which is a type of surface entity type?

A

Plane Surface

B

Ruled Surface

C

Surface of Revolution

D

All of the mentioned

Correct Answer: D

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12.

From the following, which is an axisymmetric surface?

A

Plane Surface

B

Ruled Surface

C

Surface of Revolution

D

All of the above

Correct Answer: C

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13.

The curve is defined as the locus of a point moving with ____ degree of freedom.

B

1

C

2

D

3

Correct Answer: B

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14.

The unit vector in the direction of the line is defined as _______.

A

tangent vector+length of the line

B

tangent vector-length of the line

C

tangent vector/length of the line

D

length of the line/tangent vector

Correct Answer: C

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15.

In Beizer Curve, the curve follows ____________.

A

the control points

B

the shape of the defining polygon

C

the defining points

D

none of the above

Correct Answer: B

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16.

In Beizer Curve, _____________ of polygon actually lie on the curve.

A

only the first control point

B

only the last control point

C

only the first and last control points

D

all the control points

Correct Answer: C

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17.

In Beizer Curve, the flexibility of the shape would increase with _______ of the polygon

A

decrease in the number of vertices

B

increase in the number of vertices

C

decrease in control points

D

none of the above

Correct Answer: B

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18.

The number of control points can be added or subtracted in _____________.

A

Bezier curve

B

B-spline curve

C

Cubic spline curve

D

all of the above

Correct Answer: B

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19.

The degree of the curve is independent of the number of control points in _______.

A

Hermite cubic spline curve

B

Bezier curve

C

B-spline curve

D

Hyperbola

Correct Answer: C

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20.

In modeling of a tabulated cylinder, the plane of the curve is _______.

A

along the curve

B

normal to the curve

C

along the axis of the cylinder

D

perpendicular to the axis of the cylinder

Correct Answer: D

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