MCQ - Mechanical TNPSC JTO
JTO - 551 - Engineering Drawing and Draughtsman - 551 - unit - 04 - Hatching Techniques in Sectional View

176)   

 Which material is represented using a crossed hatch (diagonal both ways)?

A.
B.
C.
D.
Answer: B
177)   

  If a dimension must appear inside a hatched area, what is the best approach? 

A.
B.
C.
D.
Answer: C
178)   

  Hatching lines should be evenly spaced and:

A.
B.
C.
D.
Answer: D
179)   

 In small areas, what replaces hatching lines when there’s not enough space?

A.
B.
C.
D.
Answer: B
180)   

Which section is ideal for symmetrical objects cut along the centerline? 

A.
B.
C.
D.
Answer: C
181)   

 What does a removed section show?

A.
B.
C.
D.
Answer: D
182)   

 Which section is best used when multiple interior features lie on different planes?

A.
B.
C.
D.
Answer: C
183)   

What is the purpose of a revolved section? 

A.
B.
C.
D.
Answer: C
184)   

 Which of the following views shows the true shape of an inclined surface? 

A.
B.
C.
D.
Answer: B
185)   

The cutting plane line always includes:

A.
B.
C.
D.
Answer: B
186)   

 A local section is generally bounded by a:

A.
B.
C.
D.
Answer: C
187)   

Which of these sections allows complex internal profiles to be shown clearly in one view? 

A.
B.
C.
D.
Answer: C
188)   

 Which view should always retain centerlines, even if hidden lines are omitted in sections?

A.
B.
C.
D.
Answer: C
189)   

 Half sections are most useful for: 

A.
B.
C.
D.
Answer: B
190)   

 Which method is used to develop transition pieces (e.g., square to round duct)?

A.
B.
C.
D.
Answer: B
191)   

 Development of which solid involves arc divisions and radii from apex?

A.
B.
C.
D.
Answer: B
192)   

For a truncated pyramid, development consists of multiple:

A.
B.
C.
D.
Answer: C
193)   

 Why is surface development used in industries?

A.
B.
C.
D.
Answer: C
194)   

 When calculating the development of a frustum of a cone, which two values are critical? 

A.
B.
C.
D.
Answer: B
195)   

 What shape will the development of a cylinder’s lateral surface be?

A.
B.
C.
D.
Answer: C
196)   

 In which method of development are generators drawn from a common apex? 

A.
B.
C.
D.
Answer: B
197)   

What kind of development is needed for an oblique cone with an elliptical base?

A.
B.
C.
D.
Answer: A
198)   

 Why is true length important in surface development?

A.
B.
C.
D.
Answer: C
199)   

The lateral surface of a cylinder has a development equal to:

A.
B.
C.
D.
Answer: B
200)   

 A half section is generally used for:

A.
B.
C.
D.
Answer: A