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WorksheetsTechnical Drawing (Manual Drafting TPD20903))
Total questions: 20
Worksheet time: 7mins
Which standard primarily governs technical drawing conventions in most countries?
IEEE
ISO
ASME
ASTM
In third-angle projection, the top view is placed:
Below the front view
Above the front view
To the left of the front view
To the right of the front view
What instrument is used for drawing parallel lines?
Compass
Divider
T-square
French curve
The ratio 1:2 on a drawing scale represents:
A) Half size
B) Double size
C) Full size
D) Reduced size
Which line type is used to represent hidden edges?
A) Continuous thick
B) Dashed thin
C) Chain thin
D) Phantom
The center line should be drawn as:
A) Thin continuous line
B) Chain thin line with long and short dashes
C) Thick continuous line
D) Thin dashed line
What is the primary purpose of sectional views?
A) To show object color
B) To show hidden features clearly
C) To indicate dimensions
D) To represent surface finish
When dimensioning a circular hole, which symbol is used before the numerical value
A) Ø
B) R
C) ⌴
D) @
The term scale 1:1 means:
A) Enlargement
B) Reduction
C) Full size
D) Half size
Which of the following instruments is NOT used for manual drafting?
A) Compass
B) CAD software
C) French curve
D) Drawing board
What is the function of a title block in a drawing sheet?
A) To decorate the sheet
B) To show object material
C) To provide drawing and administrative information
D) To indicate section views
The recommended minimum text height for general notes on A3-size drawings is:
A) 2.5 mm
B) 3.5 mm
C) 5 mm
D) 7 mm
The title block must include details such as the drawing title, scale, drafter’s name, and date.
(a)
Dimension lines should always be drawn with arrowheads pointing inward toward the measurement.
(a)
What does the symbol ‘R10’ represent in a drawing?
(a)
A section view is used to show the hidden details of an object without cutting it.
(a)
What is the standard paper size for an A3 drawing according to ISO ?
A) 297 × 420 mm
B) 210 × 297 mm
C) 420 × 594 mm
D) 594 × 841 mm
Which of the following best defines a detail drawing?
A) A drawing showing the overall assembly of a machine
B) A drawing that provides full information for manufacturing a single component
C) A freehand sketch used in design stages
D) A pictorial view without dimensions
Which of the following scale ratios represents a reduction drawing?
A) 2:1
B) 1:1
C) 1:2
D) 10:1
Sketch and label the three main views used in orthographic projection.
TOP VIEW
BELOW AND TOP VIEW
TOP AND SIDE VIEW
FRONT,TOP AND SIDE VIEW
