MCQ - Mechanical TNPSC JTO
JTO - 551 - Engineering Drawing and Draughtsman - 551 - unit 03 - Orthographic Projection Projection of Solids

76)   

 In BIS standards, the First Angle Projection symbol is represented by:

A.
B.
C.
D.
Answer: C
77)   

 In Third Angle Projection, the top view is placed:

A.
B.
C.
D.
Answer: A
78)   

Which of the following is NOT a principal plane in orthographic projection? 

A.
B.
C.
D.
Answer: C
79)   

The angle between reference line (XY) and projectors in orthographic projection is: 

A.
B.
C.
D.
Answer: C
80)   

 The Quadrant used in First Angle Projection is: 

A.
B.
C.
D.
Answer: A
81)   

A hexagonal prism resting on HP on one of its base edges and axis inclined to HP shows an apparent shape in:

A.
B.
C.
D.
Answer: A
82)   

A frustum is formed when a cone or pyramid is cut by a plane: 

A.
B.
C.
D.
Answer: B
83)   

Which solid has two equal circular faces and a curved surface?

A.
B.
C.
D.
Answer: C
84)   

A sphere in orthographic projection always shows as: 

A.
B.
C.
D.
Answer: B
85)   

The top view of a vertical cylinder standing on HP appears as a:

A.
B.
C.
D.
Answer: B
86)   

 A removed section is placed: 

A.
B.
C.
D.
Answer: C
87)   

Broken-out section is used when:

A.
B.
C.
D.
Answer: B
88)   

 The sectional lines (hatching) in two adjacent parts should be:

A.
B.
C.
D.
Answer: B
89)   

Which sectional view reveals true dimensions of inclined surfaces?

A.
B.
C.
D.
Answer: B
90)   

 Sectional views are most useful for objects with:

A.
B.
C.
D.
Answer: C
91)   

The true shape of a section is obtained when it is viewed in a plane: 

A.
B.
C.
D.
Answer: B
92)   

Which view gives the exact shape and size of the cut face?

A.
B.
C.
D.
Answer: C
93)   

If a cutting plane is inclined to HP and perpendicular to VP, the true shape of section is seen in:

A.
B.
C.
D.
Answer: B
94)   

 The cutting plane in a drawing is usually represented by: 

A.
B.
C.
D.
Answer: C
95)   

When only the internal portion of one side of a symmetrical object is required, which section is used? 

A.
B.
C.
D.
Answer: B
96)   

 Which line type is used to show the cutting plane line? 

A.
B.
C.
D.
Answer: C
97)   

 What does the symbol ⌀ represent?

A.
B.
C.
D.
Answer: C
98)   

Which material is conventionally shown with closely spaced diagonal hatching? 

A.
B.
C.
D.
Answer: C
99)   

 “THRU” in a technical drawing means: 

A.
B.
C.
D.
Answer: A
100)   

The conventional symbol for surface roughness is usually: 

A.
B.
C.
D.
Answer: A