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CADM QUIZ 1

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.

The process used to Design, Modify and Analyze the design

a)

CAD

b)

CAM

c)

CAD/CAM

d)

None of the above

2.

The cycle through which a product goes from development to retirement is called

a)

CAM

b)

PRODUCT CYCLE

c)

PRODUCT LIFE CYCLE

d)

BOTH B AND C

3.

_______refers to the study of chronological structure of design projects.

a)

Shighely model

b)

Pahl and beitz model

c)

Morphology design

d)

Ohsuga model

4.

_____is the process of determining the visible portion of the drawing lying within a window and discarding the rest.

a)

Engineering analysis

b)

Clipping

c)

Transformation

d)

Assembling

5.

____is a methodology of restructuring the product development activity in a manufacturing organisation using a cross functional team approach.

a)

Zooming transformation

b)

Engineering graphics

c)

Sequential engineering

d)

Concurrent engineering

6.

the transformation which maps he world coordinate to normalised device coordinate is called

a)

Normalisation transformation

b)

Working transformation

c)

Scaling transformation

d)

None of the above

7.

____is the area on the screen in which the contents of the window are to be displayed as an image

a)

Window

b)

Clipping

c)

Viewport

d)

Viewpoint

8.

the single transformation obtained by combining various other transformations linked together to perform a task is called

a)

Windowing transformation

b)

Concatenation transformation

c)

Working transformation

d)

Workstation transformation

9.

The process of creating an object in the computer by using basic primitives such as points,lines,arc,circle,etc is called

a)

Scaling

b)

Viewing

c)

Modelling

d)

Clipping

10.

the transformation applied to change the scale of an entity is called

a)

Scaling

b)

Viewing

c)

Viewpoint

d)

Morphology

11.

The system associated with CAD is

a)

Direct numerical control

b)

Computer numerical control

c)

Both a and b

d)

CAM

12.

the other name for sequential approach is

a)

Over wall

b)

Across the wall

c)

Both a and b

d)

Parallel engineering

13.

the movement of an object from one position to another position is called

a)

Reflection

b)

Scaling

c)

Transformation

d)

Translation

14.

_____refers to the looking of the model in various angles, zooming, orthographic views

a)

Viewpoint

b)

Viewing

c)

Viewport

d)

Viewing transformation

15.

___is an imaginary rectangular frame or boundary through which the user looks into the model

a)

Clipping

b)

Window transformation

c)

Zooming

d)

Window

16.

the first type of design process followed in CAD was

a)

Ohsuga method

b)

Shighley method

c)

Pahl and Beitz method

d)

Earle method

17.

The process of turning on the pixels for a line segment is called

a)

Vector generation

b)

Line generation

c)

Polar generation

d)

None of the above

18.

The viewing transformation in which no rotation is applied is called

a)

Translation

b)

Windowing transformation

c)

Viewing transformation

d)

Scaling

19.

the types of 2D geometric transformation are

a)

Zooming transformation

b)

Reflection transformation

c)

Windowing and viewing transformation

d)

All of the above

20.

DDA stands for

a)

Digital Drawing Analyser

b)

Digital Differential Analyser

c)

Digital Deformation Analyser

d)

Digital Division Analyser

21.

_____method is an improvement over DDA algorithm

a)

Ohsuga

b)

Earle

c)

Bresenham

d)

Pahl and Beitz

22.

In_____production,the production process generally follows a specific sequence

a)

Job

b)

Mass

c)

Batch

d)

Continuous

23.

Electronics, electricals, automobiles industries follow which type of production

a)

Process

b)

Mass

c)

Continuous

d)

Job

24.

___is the sequence of operations which transforms the given materials into desired products

a)

System

b)

Production system

c)

CAM

d)

Production

25.

_____may be defined as the process of creation,storage and manipulation of drawings with the help of computer

a)

Scaling

b)

Transformation

c)

Computer graphics

d)

Modeling

26.

A transformation that produces distortion of an object or an entire image is

a)

Viewport transformation

b)

Shearing transformation

c)

Viewpoint transformation

d)

None of the above

27.

Another name of concurrent engineering is

a)

Parallel engineering

b)

Simultaneous engineering

c)

Over wall

d)

Both a and b

28.

In_____approach,the entire assembly is first designed and individual designs are designed later

a)

Top to bottom

b)

Bottom up

c)

Top down

d)

Bottom to top

29.

_____transformation is useful in constructing symmetric models

a)

Reflection

b)

Windowing

c)

Viewpoint

d)

Clipping

30.

The formula for zooming transformation is

a)

scaling+translation+clipping

b)

(scaling+translation)-clipping

c)

scaling-(translation+clipping)

d)

(scaling+clipping)-translation

31.

Select the types of geometric modeling

a)

wire frame modeling

b)

surface modeling

c)

solid modeling

d)

all the above

32.

In wire frame modeling the object is represented by ______

a)

edge

b)

face

c)

vertices

d)

point

33.

Developing manufacturing codes for automobile panels are the application of ________ modeling

a)

surface

b)

wire frame

c)

solid

d)

none of the above

34.

which is not a solid model ?

a)

bounded

b)

homogenous 3 dimensional

c)

heterogenous 3 dimensional

d)

finite

35.

which among these are the true 3 dimensional representation of an object ?

a)

solid model

b)

surface model

c)

wire frame model

d)

all the above

36.

Hybrid method is a combination of

a)

B-rep & CSG

b)

B-rep & C-rep

c)

CSG & C-rep

d)

none of the above

37.

Full form of CSG is ______

a)

constructive solid geometry

b)

combined solid geometry

c)

constructive surface geometry

d)

combined surface geometry

38.

The halfspace equation for planar is

a)

{(x,y,z):z<0}

b)

{(x,y,z):z>0}

c)

{(x,y,z):z=0}

d)

none of the above

39.

Features that is not available in typical solid modeling software is

a)

Extrude

b)

Mirror

c)

Trim

d)

Pull

40.

A menu which displays menu in pictorial form is _____

a)

button menu

b)

tablet menu

c)

icon menu

d)

screen menu

41.

Sectional planes can be indicated through _________

a)

cross hatching

b)

plotting

c)

dimensioning

d)

display

42.

________ is helpful to the designer to estimate distance on the screen

a)

screen size

b)

scaling

c)

grid

d)

snap

43.

Euler-poin care formula for checking a validity of a B-rep model is

a)

F-E+V-L=2(B-G)

b)

F+E+V-L=2(B-G)

c)

F+E+V+L=2(B+G)

d)

F-E-V-L=2(B-G)

44.

UNDO command is given by

a)

Ctrl + Z

b)

Ctrl + Y

c)

Ctrl + A

d)

Ctrl + 8

45.

Enlarge or shrink an object is given by _______ Command

a)

SCALE

b)

FILLET

c)

STRETCH

d)

CHANGE

46.

_______ is a continuous map from 1 dimensional space to n-dimensional space

a)

circle

b)

curve

c)

line

d)

ponit

47.

Shortest distance between two points is ________

a)

line

b)

circle

c)

curve

d)

none of this above

48.

The minimum order polynomial that can gurantee the generation of curves is ________

a)

cubic polynomial

b)

quadratic polynomial

c)

all the above

d)

none of the above

49.

The shape of _____ curve is controlled by its defining points.

a)

spline

b)

bezier

c)

cubic spline

d)

all the above

50.

when the spacing between knot values is constant, the resulting curve is called as ________

a)

open uniform B-spline curve

b)

non uniform B-spline curve

c)

uniform B-spline curve

d)

non of the above

51.

The curve which can be described by analytical equation is known as __________

a)

synthetic curve

b)

approximated curve

c)

B-spline curve

d)

analytical curve

52.

The ratio of two polynomials is known as _________

a)

non rotational curve

b)

rotational curve

c)

B-spline curve

d)

synthetic curve

53.

The ratio of one polynomials is known as __________

a)

B-spline curve

b)

analytical curve

c)

non rotational curve

d)

rotatinal curve

54.

The curves which are represented by splines and Bezier curves are called as _____________

a)

analytical curves

b)

synthetic curves

c)

non rotational curve

d)

rotational curve

55.

The curves which are represented by simple mathematical equation is known as ____________

a)

interpolated curve

b)

approximated curve

c)

analytical curve

d)

synthetic curve

56.

which is not a surface entites used in surface modeling?

a)

plane surface

b)

ruled surface

c)

surface of revolution

d)

mirror surface

57.

Linear interpolation between two different boundary curves that defines the surface is known as _________

a)

Bezier surface

b)

ruled surface

c)

fillet surface

d)

offset surface

58.

Development of surface for cutting shoe leather, glass marking etc are the applications of ________

a)

solid modeling

b)

all the above

c)

surface modeling

d)

none of the above

59.

Find a irrelevant statement of Bezier curve .

a)

it is easy to enumerate points on surface

b)

Bezier patch meshes are directly difficult to render

c)

possible to describe complex shapes

d)

easy to find intersections

60.

Topological data refers to ____________________________

a)

connectivity and associatively of the object entities

b)

dis connectivity and associatively of the object entities

c)

all the above

d)

none of the above