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

151)   

 Isometric scale is used for: 

A.
B.
C.
D.
Answer: A
152)   

A true length of 70 mm will appear as approximately  how much in isometric projection? 

A.
B.
C.
D.
Answer: A
153)   

 Which of the following gives a more realistic size representation? 

A.
B.
C.
D.
Answer: B
154)   

 Isometric projection uses isometric scale, while  isometric drawing uses:

A.
B.
C.
D.
Answer: B
155)   

Which of the following is  essential  to generate correct orthographic views from an isometric? 

A.
B.
C.
D.
Answer: A
156)   

Which view generally shows the most features of an object? 

A.
B.
C.
D.
Answer: B
157)   

To draw orthographic views from isometric drawing,  what is the first step?

A.
B.
C.
D.
Answer: C
158)   

 The most suitable objects for oblique projection are those with: 

A.
B.
C.
D.
Answer: B
159)   

The main disadvantage of oblique projection is:

A.
B.
C.
D.
Answer: C
160)   

 The depth axis in cabinet oblique is scaled by:

A.
B.
C.
D.
Answer: B
161)   

 In isometric projection, non-isometric lines are: 

A.
B.
C.
D.
Answer: C
162)   

A cube of 30 mm side will appear in isometric  projection with sides of approximately: 

A.
B.
C.
D.
Answer: B
163)   

  Which instrument helps in drawing isometric axes  at correct angles?

A.
B.
C.
D.
Answer: C
164)   

Which face of an object is placed parallel to  the vertical plane in isometric?

A.
B.
C.
D.
Answer: A
165)   

 In isometric projection, when the cube is tilted,  each edge is equally inclined to:

A.
B.
C.
D.
Answer: C
166)   

 The length reduction in isometric projection is applied using:

A.
B.
C.
D.
Answer: B
167)   

Which of the following is  not  part of standard  isometric projection steps?

A.
B.
C.
D.
Answer: C
168)   

 Isometric drawings differ from projections because:

A.
B.
C.
D.
Answer: C
169)   

 The purpose of isometric scale is to:

A.
B.
C.
D.
Answer: B
170)   

 In isometric scale, a line of 100 mm is scaled to:

A.
B.
C.
D.
Answer: B
171)   

Orthographic views are generally drawn using:

A.
B.
C.
D.
Answer: A
172)   

To convert an isometric drawing to orthographic, you must know: 

A.
B.
C.
D.
Answer: A
173)   

Which projection method is commonly used in India  for orthographic views? 

A.
B.
C.
D.
Answer: A
174)   

Which view is projected on the profile plane?

A.
B.
C.
D.
Answer: C
175)   

 In oblique projection, the receding axis is typically drawn at:

A.
B.
C.
D.
Answer: B