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

51)   

  In practical engineering drawing, which method is  preferred  ?

A.
B.
C.
D.
Answer: B
52)   

 Why is isometric drawing preferred over isometric  projection in industries?

A.
B.
C.
D.
Answer: A
53)   

Which orthographic view shows depth and height?

A.
B.
C.
D.
Answer: B
54)   

 Orthographic views are drawn using:

A.
B.
C.
D.
Answer: C
55)   

How many views are generally sufficient to describe  most objects?

A.
B.
C.
D.
Answer: C
56)   

Oblique projection is most suitable for: 

A.
B.
C.
D.
Answer: C
57)   

Which projection distorts the depth axis most? 

A.
B.
C.
D.
Answer: B
58)   

Oblique projection is called "pictorial" because: 

A.
B.
C.
D.
Answer: B
59)   

The depth axis in oblique projection is typically  inclined at: 

A.
B.
C.
D.
Answer: B
60)   

 In which type of projection are  ellipses  required  to represent circles?

A.
B.
C.
D.
Answer: B
61)   

 Isometric projection is classified under which category of projection? 

A.
B.
C.
D.
Answer: B
62)   

Which of the following appears distorted in an isometric drawing?

A.
B.
C.
D.
Answer: B
63)   

 In isometric drawing, lines that are not parallel  to any of the three isometric axes are called: 

A.
B.
C.
D.
Answer: C
64)   

Which of the following statements is correct for  an isometric cube? 

A.
B.
C.
D.
Answer: C
65)   

Which one of the following provides a more  accurate 3D representation  ?

A.
B.
C.
D.
Answer: B
66)   

 The axis system used in isometric drawings is called:

A.
B.
C.
D.
Answer: C
67)   

Which one of the following should be avoided in isometric dimensioning?

A.
B.
C.
D.
Answer: C
68)   

The text for dimensions in isometric drawing is  generally written:

A.
B.
C.
D.
Answer: C
69)   

 Isometric projection reduces the true length by approximately:

A.
B.
C.
D.
Answer: C
70)   

What is the main reason for constructing an isometric scale?

A.
B.
C.
D.
Answer: C
71)   

 A drawing created without isometric scale, but using 30° angles is known as:

A.
B.
C.
D.
Answer: D
72)   

Which of the following is TRUE about isometric  projection? 

A.
B.
C.
D.
Answer: C
73)   

 To represent a cylindrical object clearly in orthographic projection, you usually require: 

A.
B.
C.
D.
Answer: C
74)   

A square surface parallel to the vertical plane appears as a:

A.
B.
C.
D.
Answer: B
75)   

Which view is necessary to describe the  depth  of an object?

A.
B.
C.
D.
Answer: B