MCQ - TNPSC JTO

JTO - 551 - Engineering Drawing and Draughtsman

551 - unit - 05 - Isometric Projection and Oblique Projection

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.
21)   

 In isometric projection, how many axes are typically used?

A.
B.
C.
D.
22)   

 Which axis is drawn vertically in isometric projection?

A.
B.
C.
D.
23)   

 Isometric projection belongs to which category  of projection? 

A.
B.
C.
D.
24)   

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

A.
B.
C.
D.
25)   

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

A.
B.
C.
D.
26)   

 In isometric projection, which lines are shown  in true length?

A.
B.
C.
D.
27)   

 In isometric drawing, how are arcs and circles on the vertical plane represented?

A.
B.
C.
D.
28)   

When dimensioning an isometric drawing, which  of the following is preferred?

A.
B.
C.
D.
29)   

Which trigonometric value corresponds to the scale reduction in isometric projection? 

A.
B.
C.
D.
30)   

A line of 100 mm is drawn in isometric projection.  Its approximate projected length will be: 

A.
B.
C.
D.
31)   

The key difference in appearance between isometric drawing and projection is: 

A.
B.
C.
D.
32)   

 Isometric projection is to isometric drawing as: 

A.
B.
C.
D.