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

26)   

 In half section, hidden lines are usually:

A.
B.
C.
D.
Answer: B
27)   

 In auxiliary section, the projection is done: 

A.
B.
C.
D.
Answer: C
28)   

A revolved section helps in showing:

A.
B.
C.
D.
Answer: B
29)   

 Full section cuts are taken along:

A.
B.
C.
D.
Answer: B
30)   

 A local section is usually bounded by: 

A.
B.
C.
D.
Answer: B
31)   

 Development in engineering drawing means: 

A.
B.
C.
D.
Answer: C
32)   

 Why is development of surfaces important in industry?

A.
B.
C.
D.
Answer: C
33)   

 Which method is used to develop cylindrical surfaces? 

A.
B.
C.
D.
Answer: A
34)   

 Which method is used for cones and pyramids?

A.
B.
C.
D.
Answer: B
35)   

 Oblique cones with elliptical bases require development using: 

A.
B.
C.
D.
Answer: B
36)   

 A development made from triangulation involves:

A.
B.
C.
D.
Answer: B
37)   

 Which solid is easiest to develop?

A.
B.
C.
D.
Answer: C
38)   

 The developed surface of a cone is a:

A.
B.
C.
D.
Answer: C
39)   

 To develop a frustum of a cone, you need to know:

A.
B.
C.
D.
Answer: C
40)   

 True length of slant edges is required in development of:

A.
B.
C.
D.
Answer: C
41)   

 In radial line development, the apex of cone becomes the:

A.
B.
C.
D.
Answer: B
42)   

 When two solids intersect, their development must show: 

A.
B.
C.
D.
Answer: A
43)   

 Which solid cannot be developed without error?

A.
B.
C.
D.
Answer: B
44)   

 Which method is used to develop transition pieces like rectangular to  round ducts?

A.
B.
C.
D.
Answer: C
45)   

 Which of the following solids has a development in the form of a  rectangle? 

A.
B.
C.
D.
Answer: B
46)   

 The length of arc in a developed cone sector is equal to:

A.
B.
C.
D.
Answer: A
47)   

 The development of a cylinder includes:

A.
B.
C.
D.
Answer: C
48)   

To develop a transition piece, which method is used? 

A.
B.
C.
D.
Answer: C
49)   

 In sheet metal work, development helps in:

A.
B.
C.
D.
Answer: B
50)   

 For surface development, true lengths are taken from:

A.
B.
C.
D.
Answer: B