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D3 - MASTER THE DAY

Total questions: 138

Worksheet time: 1hrs 9mins

Name
Class
Date
1.

What is the BIS standard number for lettering in technical drawings?

a)

IS 962-1989

b)

IS 800-2007

c)

IS 11669-1986

d)

IS 456-2000

2.

Letters are designated primarily by their:

a)

Width

b)

Area

c)

Height

d)

Stroke thickness

3.

The height to width ratio for lettering is generally taken as:

a)

5:6

b)

6:5

c)

1:1

d)

3:2

4.

Horizontal lines for lettering are drawn: a) Right to left b) Left to right c) Bottom to top d) At random.

a)

Right to left

b)

Left to right

c)

Bottom to top

d)

At random

5.

Vertical lines for lettering are drawn: a) Bottom to top b) Diagonally c) Top to bottom d) Randomly.

a)

Bottom to top

b)

Diagonally

c)

Top to bottom

d)

Randomly

6.

The minimum recommended height of letters used for dimensioning is:

a)

2 mm

b)

5 mm

c)

3 mm

d)

6 mm

7.

Which lettering style is drawn straight up at 90° to the baseline?

a)

Inclined

b)

Italic

c)

Vertical

d)

Roman

8.

The angle of inclined lettering to the vertical is:

a)

45°

b)

30°

c)

15°

d)

75°

9.

Which letter type is thicker and used for main titles in ink drawings?

a)

Gothic

b)

Roman

c)

Italic

d)

Script

10.

Minimum height of letters in Gothic style should be:

a)

6 mm

b)

10 mm

c)

15 mm

d)

20 mm

11.

What is the stem thickness in double stroke letters relative to height?

a)

1/2 to 1/3

b)

1/5 to 1/10

c)

1/8 to 1/16

d)

1/6 to 1/9

12.

In Lettering A, spacing between words is:

a)

a) 6/14 h

b)

b) 6/10 h

c)

c) 2/14 h

d)

d) 10/14 h

13.

In Lettering B, line thickness is:

a)

a) 1/10 h

b)

b) 2/14 h

c)

c) 6/10 h

d)

d) 10/14 h

14.

What does 'h' represent in lettering proportions?

a)

Width

b)

Height of capital letters

c)

Lower case height

d)

Font spacing

15.

The minimum spacing between characters in Lettering A is:

a)

1/14 h

b)

2/14 h

c)

3/14 h

d)

6/10 h

16.

Dimension lines must:

a)

Cross each other

b)

End with arrows or dots

c)

Use thick lines only

d)

Be vertical only

17.

The width-to-length ratio of arrowheads is:

a)

a) 1:1

b)

b) 1:3

c)

c) 1:5

d)

d) 2:3

18.

Minimum angle of leader lines to horizontal is:

a)

15°

b)

30°

c)

45°

d)

60°

19.

In Lettering B, Height of lower case is:

a)

7/10 h

b)

2/14 h

c)

6/10 h

d)

10/14 h

20.

Height of capital letters in Lettering A is:

a)

14/14 h

b)

2/14 h

c)

3/14 h

d)

6/10 h

21.

Dimension lines must: a) Cross each other b) End with arrows or dots c) Use thick lines only d) Be vertical only

a)

Cross each other

b)

End with arrows or dots

c)

Use thick lines only

d)

Be vertical only

22.

The first dimension line should be placed ___ mm from the object line.

a)

10

b)

12

c)

15

d)

8

23.

The second dimension line is placed ___ mm from the first one.

a)

12

b)

7

c)

10

d)

8

24.

Continuous dimensioning is also called:

a)

Parallel

b)

Chain

c)

Progressive

d)

Combined

25.

In parallel dimensioning, dimension lines originate from:

a)

End points

b)

Outer edge

c)

Common reference line

d)

Center

26.

Superimposed running dimensioning is useful when:

a)

Only one end varies

b)

Both ends fixed

c)

No arrowheads used

d)

Notes added

27.

IS 11669-1986 governs: a) Steel structures b) Dimensioning methods c) Concrete mix d) Paint codes.

a)

Steel structures

b)

Dimensioning methods

c)

Concrete mix

d)

Paint codes

28.

Dimensions in aligned system are readable from:

a)

Top only

b)

Right only

c)

Bottom and right

d)

Left only

29.

Unit used in engineering drawings (by default):

a)

Inches

b)

Centimeters

c)

Millimeters

d)

Meters

30.

In dimensioning, the unit 'mm' must be written after each number.

a)

True

b)

False

31.

Decimal values below 1 should include a leading zero.

a)

True

b)

False

32.

'Φ' is used to represent:

a)

Radius

b)

Diameter

c)

Square

d)

Area

33.

'SR' represents: a) Squared radius b) Standard radius c) Spherical radius d) Section radius.

a)

Squared radius

b)

Standard radius

c)

Spherical radius

d)

Section radius

34.

Symbol for square

a)

SQ

b)

SΦ

c)

SR

d)

Q

35.

Arrowheads should ideally be placed: a) Outside extension lines b) Inside where space permits c) On object lines d) Below dimension lines.

a)

Outside extension lines

b)

Inside where space permits

c)

On object lines

d)

Below dimension lines

36.

Dimension lines should never cross each other.

a)

True

b)

False

37.
Dimension lines, extension lines, and leader lines in a drawing must be:
a)
Thick and continuous
b)
Dashed and thin
c)
Thin and continuous
d)
Thick and dashed
38.
The recommended angle for leader lines in drawings is typically:
a)
15°
b)
45°
c)
60°
d)
75°
39.
Which scale would you use if you need to measure lengths accurate to two units and their subdivisions?
a)
Diagonal scale
b)
Plane scale
c)
Vernier scale
d)
Scale of chords
40.
The ratio of actual length to drawing length is given as 10. Identify the correct scale and RF.
a)
Scale 1:10, RF 1/10
b)
Scale 10:1, RF 10
c)
Scale 1:100, RF 1/100
d)
Scale 10:1, RF 1/10
41.
The first dimension line in a drawing should be placed at least how far from the construction line?
a)
10 mm
b)
8 mm
c)
12 mm
d)
9 mm
42.
A diagonal scale is specifically designed to measure accurately up to:
a)
One unit only
b)
Two units and their fractions
c)
Three units
d)
Any dimension
43.
Which of the following lines indicate the edges of a section plane?
a)
Hidden lines
b)
Dashed thin lines
c)
Cutting plane lines
d)
Continuous thin lines
44.
A full-size scale has a Representative Fraction (RF) that is:
a)
Greater than unity
b)
Equal to unity
c)
Less than unity
d)
Zero
45.
If the dimension on a drawing is 50 mm with RF of 1:5, what is the actual length of the object?
a)
10 mm
b)
50 mm
c)
250 mm
d)
100 mm
46.
When dimensions are placed parallel to dimension lines, the system used is called:
a)
Aligned system
b)
Unidirectional system
c)
Conventional system
d)
Linear system
47.
When the representative fraction (RF) of a scale is expressed as "1:x", it specifically denotes:
a)
Full-size scale
b)
Reduced scale
c)
Enlarged scale
d)
Diagonal scale
48.
In lettering style 'Type B', if the capital letter height is 6 mm, what would be the recommended space between characters?
a)
0.6 mm
b)
1.2 mm
c)
3.0 mm
d)
2.4 mm
49.
For a drawing with scale 1:100, what length will represent a 20-meter object?
a)
2 cm
b)
0.2 cm
c)
20 cm
d)
200 cm
50.
If the ratio of actual length to drawing length is given as 4, the correct scale and RF would be:
a)
Scale 4:1, RF = 4
b)
Scale 1:4, RF = ¼
c)
Scale 1:40, RF = 1/40
d)
Scale 40:1, RF = 40
51.
When is the comparative scale used?
a)
To measure angles accurately
b)
To represent two different units with the same RF
c)
To enlarge the drawing
d)
To measure only one unit
52.
The inclined guidelines used for lettering typically slope at:
a)
65° to the horizontal
b)
70° to the horizontal
c)
75° to the horizontal
d)
45° to the horizontal
53.
For representing cylindrical and spherical objects, which type of line is used?
a)
Hidden line
b)
Dashed thick line
c)
Center line
d)
Continuous thick line
54.
The dimensions in the unidirectional system of dimensioning are placed in such a way that they are readable from:
a)
Left-hand side of the drawing only
b)
Right-hand side of the drawing only
c)
Bottom edge of the drawing only
d)
Bottom edge, reading from left to right
55.
Full-size drawings have an RF equal to:
a)
1
b)
Less than 1
c)
Greater than 1
d)
Zero
56.
Enlarging scales are usually used for:
a)
Large site plans
b)
Bridges
c)
Watches
d)
Buildings
57.
A scale is said to be a reducing scale if:
a)
RF > 1
b)
RF = 1
c)
RF < 1
d)
RF = 0
58.
A representative fraction is a:
a)
Length ratio
b)
Area ratio
c)
Volume ratio
d)
None
59.
10 dm equals:
a)
10 cm
b)
1 m
c)
100 m
d)
1 cm
60.
If RF = 1/4000 and max length = 600 m, scale length (cm) is:
a)
15 cm
b)
12 cm
c)
10 cm
d)
18 cm
61.
A full-size drawing shows a 25 mm actual length as:
a)
50 mm
b)
25 mm
c)
12.5 mm
d)
100 mm
62.
Plain scales can represent:
a)
1 unit only
b)
2 units simultaneously
c)
Angles
d)
3 units
63.
Enlarging scales have RF > 1. RF for reducing scales is more than 1.
a)
Both true
b)
Only 1 true
c)
Only 2 true
d)
Both false
64.
Which is not a graphical scale?
a)
Plain
b)
Vernier
c)
Comparative
d)
Bar chart
65.
Comparative scales are used for:
a)
Measuring time
b)
Comparing two units
c)
Drawing isometric views
d)
Angle construction
66.
RF is dimensionless because:
a)
It uses only drawings
b)
It cancels units
c)
It is imaginary
d)
None
67.
To draw a scale of 1:100 up to 5 m, scale length =
a)
10 cm
b)
5 cm
c)
2.5 cm
d)
15 cm
68.
The ratio of drawing length to actual length is:
a)
True scale
b)
Graphical scale
c)
RF
d)
Full scale
69.
In architectural drawing, which scale is commonly used?
a)
Enlarging
b)
Reducing
c)
Full-size
d)
None
70.
1:2 scale is reducing. 2:1 scale is enlarging.
a)
Both are correct
b)
Only 1
c)
Only 2
d)
Both are wrong
71.
Plain scale is suitable for measuring:
a)
One unit
b)
Three units
c)
Two units
d)
Angles
72.
The zero of a plain scale is placed:
a)
At the centre
b)
At the right end
c)
At the first division from left
d)
At the bottom
73.
A plain scale of RF 1:50 constructed to measure 6 m will have a scale length of:
a)
6 cm
b)
12 cm
c)
8 cm
d)
10 cm
74.
In a plain scale, subdivisions are marked:
a)
On all divisions
b)
To the right of zero
c)
To the left of zero
d)
Randomly
75.
Which is used when accuracy below 0.1 mm is needed?
a)
Plain scale
b)
Diagonal scale
c)
Comparative scale
d)
Scale of chords
76.
Principle of diagonal scale is based on:
a)
Similar triangles
b)
Right angles
c)
Trigonometry
d)
Square laws
77.
Diagonal scale can measure 3 units. It is used for finer subdivisions.
a)
Both correct
b)
Only 1
c)
Only 2
d)
Both wrong
78.
A diagonal scale reads:
a)
Only integers
b)
Two units only
c)
Three units
d)
Angles
79.
Least Count (LC) of a scale means:
a)
Maximum measurable length
b)
Smallest measurable length
c)
Average scale size
d)
None
80.
A diagonal scale of RF 1:20 can measure 4.76 m. Length of scale?
a)

23.8 cm

b)
10 cm
c)
8.2 cm
d)
5 cm
81.
Diagonal scale is constructed using:
a)
Circles
b)
Diagonal lines and grids
c)
Arcs and tangents
d)
None
82.
Which of the following is not a use of diagonal scale?
a)
To read decimal places
b)
For comparative conversions
c)
For 3-unit measurement
d)
Precise measurement
83.
All plain scales are 15–30 cm long. All scales must show RF.
a)
Both true
b)
Only 1
c)
Only 2
d)
None
84.
A diagonal scale of 1:500 to measure 100 m will be:
a)
20 cm
b)
15 cm
c)
10 cm
d)
5 cm
85.
The diagonal cuts the vertical lines in a scale to:
a)
Create decimals
b)
Reduce length
c)
Subdivide divisions
d)
Mark angle
86.
Which scale is helpful when drawing in inches and reading in cm?
a)
Plain scale
b)
Chord scale
c)
Comparative scale
d)
Vernier
87.
Construction of comparative scale must have:
a)
Different RFs
b)
Same RFs
c)
3 units
d)
None
88.
Comparative scale uses units like:
a)
cm & m
b)
inch & foot
c)
miles & km
d)
All
89.
A scale shows 10 cm = 5 miles. Find RF:
a)
1/80000
b)
1/50000
c)
1/16000
d)
1/30000
90.
Comparative scales use same drawing. They can be placed one above another.
a)
Only 1
b)
Only 2
c)
Both
d)
None
91.
A Vernier scale consists of:
a)
Main & secondary scale
b)
Diagonal & angle scales
c)
Chord & arc scales
d)
Comparative bars
92.
Least count of vernier scale is:
a)
MSD - VSD
b)
VSD + MSD
c)
MSD / VSD
d)
VSD - MSD
93.
Forward vernier has:
a)
VSD < MSD
b)
VSD = MSD
c)
VSD > MSD
d)
None
94.
Retrograde vernier reads:
a)
In same direction
b)
Backward
c)
Clockwise
d)
None
95.
If 10 VSD = 9 MSD, LC is:
a)
1 MSD
b)
2025-10-01 00:00:00
c)
2025-09-01 00:00:00
d)
1 MSD - 1 VSD
96.
Vernier scale is used to:
a)
Measure angles
b)
Take precise readings
c)
Measure volume
d)
Both A & B
97.
For a vernier scale, if 10 VSD = 11 MSD, the type is:
a)
Forward
b)
Backward
c)
Double vernier
d)
Comparative
98.
Double vernier is used in:
a)
Machine drawing
b)
Abney level
c)
Scales of chords
d)
Centroid location
99.
Main scale reading = 6.0 mm, Vernier = 0.25 mm → Final Reading?
a)
6.25 mm
b)
5.75 mm
c)
6 mm
d)
5.5 mm
100.
The secondary scale in vernier:
a)
Is larger
b)
Is equal
c)
Is smaller or larger depending on type
d)
None
101.
VSD > MSD indicates:
a)
Retrograde
b)
Forward
c)
Plain
d)
Comparative
102.
LC = MSD/n means:
a)
Linear calibration
b)
Least count formula
c)
Linearity correction
d)
None
103.
Extended vernier uses:
a)
nv = (n-1)s
b)
nv = (n+1)s
c)
nv = (2n-1)s
d)
None
104.
Vernier reading = 0.5 mm, main = 6.0 mm → Reading?
a)
6.5 mm
b)
5.5 mm
c)
6.25 mm
d)
6.0 mm
105.
Direct vernier: number of VSD =
a)
n + 1
b)
n - 1
c)
2n
d)
3n
106.
Which scale can read the smallest value?
a)
Plain
b)
Vernier
c)
Diagonal
d)
Graphical
107.
Retrograde vernier is used when:
a)
VSD > MSD
b)
VSD = MSD
c)
VSD < MSD
d)
None
108.
For 0.1 mm LC and MSD = 1 mm, VSD =
a)
0.9 mm
b)
1.1 mm
c)
0.5 mm
d)
1 mm
109.
Scale of chords is primarily used for:
a)
Measuring force
b)
Measuring angles
c)
Measuring time
d)
Comparing scales
110.
A chord of 60° equals:
a)
Diameter
b)
Radius
c)
Arc
d)
Chord
111.
The scale of chords is based on:
a)
Chord lengths of angles
b)
Radius calculation
c)
Time-distance conversion
d)
Arc lengths
112.
In a scale of chords, 90° is shown by:
a)
Chord = arc
b)
Chord = radius
c)
Chord = diameter
d)
Chord = zero
113.
When protractor is not available, one can use:
a)
Vernier
b)
Diagonal scale
c)
Scale of chords
d)
Comparative scale
114.
Which of the following is correct regarding chord scales?
a)
Measures volume
b)
Measures distances only
c)
Measures angles using chords
d)
Measures temperatures
115.
Statement 1: Comparative scales use two different unit systems. <br> Statement 2: Scale of chords can convert units.
a)
Both correct
b)
Only 1
c)
Only 2
d)
Both wrong
116.
Comparative scales are useful in:
a)
Map distance conversion
b)
Plotting speed
c)
Voltage plotting
d)
Drawing projections
117.
If RF of metric and imperial comparative scales is same:
a)
They are incompatible
b)
They can be plotted together
c)
One must be rescaled
d)
None
118.
Comparative scale example:
a)
Feet vs. cm
b)
m vs. kg
c)
m vs. time
d)
mm vs. m²
119.
In comparative scales, top and bottom scales:
a)
Are of different RF
b)
Represent unrelated values
c)
Are of same RF but different units
d)
Have no subdivisions
120.
180° can be created by chord scale by:
a)
Single chord
b)
Two 90° chords
c)
Opposite direction arcs
d)
Impossible
121.
For 1 mile = 1.609 km, a comparative scale must:
a)
Convert km to mile only
b)
Use separate RF
c)
Use same RF for both units
d)
Be avoided
122.
When using comparative scales, accuracy is best ensured by:
a)
Matching RF
b)
Increasing scale width
c)
Using vertical lines
d)
Using chord system
123.
Statement 1: Comparative scale must always be diagonal. <br> Statement 2: Both plain and diagonal types are possible.
a)
Only 1
b)
Only 2
c)
Both
d)
Neither
124.
Which tool is ideal for converting inches into cm in drawing?
a)
Vernier
b)
Diagonal scale
c)
Comparative scale
d)
Graphical scale
125.
Graphical scale is useful because:
a)
It looks better
b)
It shrinks with paper
c)
It avoids calculations
d)
None
126.
Graphical scale is generally drawn as:
a)
Triangle
b)
Bar
c)
Circle
d)
Line chart
127.
Which scale auto-corrects for old paper shrinkage?
a)
Plain
b)
Graphical
c)
Chord
d)
Vernier
128.
Units that can be represented using plain scale:
a)
m & dm
b)
inch & foot
c)
miles & furlongs
d)
All
129.
For a diagonal scale of RF 1/200 to show 10 m:
a)
Length = 5 cm
b)
Length = 20 cm
c)
Length = 15 cm
d)
Length = 50 cm
130.
Maximum measurable length from a scale depends on:
a)
Number of divisions
b)
Width of scale
c)
RF × max distance
d)
Total subdivisions
131.
Which type of scale can be used to measure 3.765 m?
a)
Plain
b)
Diagonal
c)
Chord
d)
Graphical only
132.
Least count of diagonal scale improves by:
a)
Making RF small
b)
Adding more diagonals
c)
Increasing triangle slope
d)
Increasing base length
133.
The number of diagonal lines required for measuring up to 0.01 mm:
a)
10
b)
Depends on LC
c)
Always 5
d)
Same as major divisions
134.
Which of the following can read minimum values with highest accuracy?
a)
Chord scale
b)
Vernier scale
c)
Graphical scale
d)
Plain scale
135.
Scale construction needs:
a)
RF, units, max length
b)
Time, speed, area
c)
Angle, arc, degree
d)
Force, load, torque
136.
Extended vernier gives:
a)
More divisions
b)
Less precision
c)
Same LC as plain
d)
Double reading
137.
If a scale has LC = 0.02 mm, it is most likely:
a)
Plain
b)
Vernier
c)
Comparative
d)
Graphical
138.
Ideal scale to read 4.37 m accurately is:
a)
Plain
b)
Diagonal
c)
Vernier
d)
Comparative

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