7/25/2019 Ed-II Short Questions

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ED-II SHORT QUESTIONS

UNIT-I

1. What is meant by scale factor?

2. Define reduced scale and enlarged scale.

3. Mention the engg applications of full scales, reduced scale and enlarged scale.

4. What is a plain scale? Ho it differs from a diagonal scale.

!. Ho a diagonal scale differs from a plain scale?

". Define #$. %ame the scale here measurement is desired in the three units.

&. Ho a 'ernier scale differs from a plain scale?

(. What is the difference beteen plain scale, diagonal scale and )ernier scale?

UNIT-II

1. Dra the de)elopment of surface of a cone of base diameter 2* mm and a+is height

3* mm.

2. +plain the engineering importance of de)elopment of surfaces.3. +plain briefly, the different methods of de)elopment.

4. What are the uses of de)elopment of surfaces?

!. $rom the de)elopment of the surface of a cylinder of diameter 2( mm and a+is ""

mm, find the length of the diagonal of the de)elopment.

". What are the uses of de)elopment of surfaces?

&. What is meant by the de)elopment of a solid?

(. Ho do you de)elop a cone?

UNIT-III

1. %ame the -ictorial proection in hich three dimensions of solid can be shon in one)ie.

2. +plain the ad)antages of /0sometric -roections.

3. What is the difference beteen the isometric draing and isometric proection or

)ie?

4. +plain isometric planes.

!. Distinguish clearly beteen isometric )ie and isometric proection.

". Define isometric a+es, isometric scale and isometric )ie.

&. What is an isometric )ie?

(. What is an isometric scale?

. What is the angle beteen isometric a+es? What are the isometric lines?

1*. +plain the terms 0sometric length and 5rue length.11. Define isometric a+es, isometric planes and isometric scale

12. What is the difference beteen 0sometric )ie and 0sometric proections?

13. 67etch the isometric proection of a !* mm cone resting on a 1** mm cube.

14. What is the shape of the 0sometric proection of a circle?

1!. 67etch isometric proection of a s8uare prism of 3* mm side and !* mm height.

1". Dra the isometric proection of a sphere of 1** mm diameter

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UNIT-IV

1. 9ompare first angle and third angle proection methods.

2. What is meant by orthographic proection?

3. What are the important elements of the proection system?

4. What are the )arious possible )ies of an draing entity?

!. 67etch the symbols used for :i; first angle proection :ii; third angle proection

". +plain the termsoniii. round line

i). @+is of )ision

). 9enter of )ision

)i. -icture plane

)ii. round plane

4. What are the rules to be folloed hile selecting a station point.

!. What are the )arious methods of draing a perspecti)e )ie,

". When ill the si>e of the perspecti)e be larger than the obect?

&. What is the main difference beteen a perspecti)e and other types of pictorial

proections.

(. What are the characteristics of -erspecti)e proections?. 9ompare )isual ray and )anishing point methods of draing perspecti)e )ies.

1*. Define the folloing terms ith reference to perspecti)e proectionson plane :d; 9entral plane

11. What is a station point? What is its relation ith the )isual rays?

12. Ma7e a line diagram and indicate the folloingon plane :d; 9entral plane

:e; round line :f; Hori>on line :g; 9entral line :h; @+is of )ision

UNIT-VI

1. Highlight the main ad)antages of a 9@D system in design and drafting.2. i)e a brief re)ie of 9@D softare used for drafting and modeling.

3. %ame any fi)e input de)ices used in computers and describe them in brief.

4. i)e a brief description of output and storage de)ices of a computer.

!. +plain the methods of draing an arc in @uto9@D.

". +plain the methods of draing an Aine in @uto9@D.

&. 6tate a series of @uto9@D command steps to dra a circle of 1* cm diameter.

(. 6tate a series of @uto9@D command steps to dra a rectangle of !* cm B 3* cm

ith the help of :a; Aine :b; #ectangle and :c; -olygon commands.

. 6tate a series of @uto9@D command steps to dra a pentagon

1*. What are the )arious solid modeling techni8ues in @C59@D.