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

126)   

 Isometric axes are drawn such that each axis  is separated by: 

A.
B.
C.
D.
Answer: C
127)   

 The projection in which all three dimensions  of an object are shown in a single view is called: 

A.
B.
C.
D.
Answer: C
128)   

Which shape becomes an ellipse in isometric drawing? 

A.
B.
C.
D.
Answer: B
129)   

Which dimensioning method is most suitable for isometric drawings? 

A.
B.
C.
D.
Answer: B
130)   

 In isometric drawing, all dimensions should be  aligned:

A.
B.
C.
D.
Answer: C
131)   

 In isometric projection, a true length of 100 mm will appear as:

A.
B.
C.
D.
Answer: C
132)   

 Which of the following scales is used  only  for isometric projection and  not isometric drawing? 

A.
B.
C.
D.
Answer: D
133)   

 Which one is more  visual and easier  to create for beginners? 

A.
B.
C.
D.
Answer: B
134)   

 Which of the following is  always drawn to scale  ?

A.
B.
C.
D.
Answer: A
135)   

Which type of projection is used for  manufacturing drawings  ? 

A.
B.
C.
D.
Answer: C
136)   

Which of the following does  not  belong to standard orthographic views? 

A.
B.
C.
D.
Answer: C
137)   

The front view is projected onto which reference  plane? 

A.
B.
C.
D.
Answer: A
138)   

Which of the following projections is  not foreshortened  along depth?

A.
B.
C.
D.
Answer: B
139)   

Which type of oblique projection offers  most  realistic proportions  ? 

A.
B.
C.
D.
Answer: B
140)   

The main purpose of using oblique projection is to: 

A.
B.
C.
D.
Answer: C
141)   

 In isometric projection, which axis represents the height of an object?

A.
B.
C.
D.
Answer: C
142)   

 Which of the following is  not true  about isometric  drawing?

A.
B.
C.
D.
Answer: C
143)   

Circles in isometric drawings are constructed  as:

A.
B.
C.
D.
Answer: A
144)   

 Isometric drawings are best used for:

A.
B.
C.
D.
Answer: A
145)   

When using the exact isometric projection, the reduction factor applied is: 

A.
B.
C.
D.
Answer: C
146)   

The three axes of an isometric view are drawn  at: 

A.
B.
C.
D.
Answer: C
147)   

The angle between the horizontal plane and isometric  axis is:

A.
B.
C.
D.
Answer: B
148)   

 Which of the following is  recommended  while dimensioning  an isometric drawing?

A.
B.
C.
D.
Answer: C
149)   

Dimensions in isometric drawings should be written: 

A.
B.
C.
D.
Answer: C
150)   

While dimensioning a circular feature in isometric,  the best method is to: 

A.
B.
C.
D.
Answer: B