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MCQ - Mechanical TNPSC JTO
JTO - 551 - Engineering Drawing and Draughtsman - 551 - unit - 05 - Isometric Projection and Oblique Projection

1)   

 In an isometric projection, the angle between any two isometric axes is: 

A.
B.
C.
D.
Answer: B
2)   

 Which of the following statements is TRUE about  isometric drawing?

A.
B.
C.
D.
Answer: D
3)   

Which plane is used for making isometric projections?

A.
B.
C.
D.
Answer: C
4)   

 In isometric projection, circles appear as:

A.
B.
C.
D.
Answer: B
5)   

Which method gives more realistic 3D appearance but with reduced size?

A.
B.
C.
D.
Answer: D
6)   

Which method is commonly used in industry due to  simplicity and use of true dimensions? 

A.
B.
C.
D.
Answer: C
7)   

Dimension lines in isometric drawing are generally aligned:

A.
B.
C.
D.
Answer: C
8)   

Which of the following is NOT recommended in isometric dimensioning?

A.
B.
C.
D.
Answer: C
9)   

 In isometric scale construction, true lengths are marked along a: 

A.
B.
C.
D.
Answer: A
10)   

What is the approximate reduction factor used  in isometric projection?

A.
B.
C.
D.
Answer: C
11)   

Which of the following differentiates isometric projection from isometric drawing?

A.
B.
C.
D.
Answer: C
12)   

The object drawn using  foreshortened dimensions  is: 

A.
B.
C.
D.
Answer: D
13)   

Orthographic projection represents: 

A.
B.
C.
D.
Answer: D
14)   

Which view is generally selected as the  front  view  in orthographic projection?

A.
B.
C.
D.
Answer: B
15)   

 The purpose of converting isometric to orthographic  is to:

A.
B.
C.
D.
Answer: C
16)   

 In oblique projection, the front face is:

A.
B.
C.
D.
Answer: B
17)   

 The type of oblique projection where depth is  drawn to half scale is:

A.
B.
C.
D.
Answer: C
18)   

 In cavalier oblique projection, the depth is:

A.
B.
C.
D.
Answer: C
19)   

The angle commonly used for receding axis in oblique  projection is:

A.
B.
C.
D.
Answer: C
20)   

 Advantage of oblique projection over isometric projection is:

A.
B.
C.
D.
Answer: C
21)   

 In isometric projection, how many axes are typically used?

A.
B.
C.
D.
Answer: C
22)   

 Which axis is drawn vertically in isometric projection?

A.
B.
C.
D.
Answer: C
23)   

 Isometric projection belongs to which category  of projection? 

A.
B.
C.
D.
Answer: C
24)   

 In isometric drawing, what angle is made between  horizontal lines and isometric axes?

A.
B.
C.
D.
Answer: B
25)   

Which one of the following is NOT a valid method of representing 3D in technical drawing? 

A.
B.
C.
D.
Answer: D