| Post Name | Draftsman Grade I/Overseer Grade I (Civil), Training Instructor (Draftsman) |
|---|---|
| Question Paper Code | 061/2026 |
| Category Code | 002/2026, 230/2025, 455/2025, 456/2025, 461/2025, 462/2025, 638/2025, 724/2025, 725/2025 |
| Date of Test | 30 June 2026 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Survey used for unearthing relics of antiquity is
Answer
D. Archaeological survey
2
Which of the following sentence is correct about the chain ?
i. length of a link is the distance between the centers of two consecutive middle
rings.
ii. length of the chain is measured from the out side of one handle to the inside
of other handle.
Answer
A. Only i
3
Invar tapes are used mainly for linear measurements of a very high degree of
precision due to its quality of
Answer
Question Cancelled
4
The magnetic needle in prismatic compass is
Answer
B. Broad needle
5
The magnetic bearing of a line is 38°24ʹ. Calculate the true bearing if the magnetic
declination is 5°10ʹ East.
Answer
C. 43°34ʹ
6
Which of the following is not the error in compass surveying ?
Answer
D. None of the above
7
The WCB of line OA is 107°12ʹ, line OB is 271°42ʹ, calculate the angle AOB.
Answer
A. 164°30ʹ
8
Convert 320°45ʹ12ʹʹ into RB
Answer
C. N 39°14ʹ48ʹʹ W
9
Which of the following statement is not correct about HI method of levelling ?
i. The method is more rapid, less tedious and simple.
ii. Height of instrument is not at all calculated.
iii. This method provides complete check on Intermediate sights.
Answer
B. Only ii and iii
10
Working edge of an alidade in plane table surveying is called
Answer
A. Fiducial edge
11
If the lower clamp screw is tightened and the upper clamp screw is loosened, then
the theodolite may rotate on its
Answer
B. inner spindle with relative motion between vernier and graduated scale on
lower plate
12
The tacheometric system that utilises the principle of measuring the distance
between two points by sighting a target with 2 fixed points in the telescope is
Answer
B. Stadia system
13
The significance of the additive constant in stadia tacheometry is
Answer
C. It is used to calculate the horizontal distance
14
Consider the following tests for permanent adjustments of a theodolite
1. Cross-hair ring test
2. Plate level test
3. Collimation in azimuth test
4. Spire test
5. Vertical circle test
The correct order of the tests for permanent adjustments of a theodolite is
Answer
B. 2-1-3-4-5
15
According to Bowditch’s rule, if l is the length of the line, the error in angular
measurement is
Answer
D. Inversely proportional to l
16
Consider the following statements about Total Station.
i. It measures both horizontal and vertical angles electronically.
ii. Distance measurement is always based on prism reflection.
iii. Atmospheric corrections are automatically applied in modern instruments.
Which of the above statements are correct ?
Answer
B. i and iii only
17
The ratio of length of long chord to tangent length of a simple circular curve of
radius ‘R’ and deflection angle ‘∆’ is
Answer
A. 2 cos (∆/2)
18
A vertical curve has an upgrade of 1.4% followed by a downgrade of 1.0%. The
rate of change of grade is 0.12% per chain of 20 m. The length of vertical curve is
Answer
C. 400 m
19
The working principle involved in GPS is
Answer
D. Trilateration
20
In a closed traverse, the sum of south latitude exceeds the sum of north latitudes
and the sum of east departures exceeds the sum of west departures. The closing
line will lie in the
Answer
A. N-W quadrant
21
Which of the following statements regarding building stones is incorrect ?
Answer
D. Stones with high water absorption possess superior frost resistance
22
Which statement regarding silica in brick earth is incorrect ?
Answer
D. Silica increases plasticity significantly
23
low heat cement is mainly used in
Answer
B. massive concrete structures like dams
24
Stoneware pipes are commonly used for
Answer
B. drainage and sewer lines
25
Pit sand is usually
Answer
B. Sharp and angular
26
Commonly used coarse aggregate size for RCC work is
Answer
C. 20 mm
27
Common cement mortar proportion for brick masonry is
Answer
C. 1:6
28
lower water-cement ratio generally gives
Answer
B. Higher strength
29
Which statement regarding plasticizers is incorrect ?
Answer
C. They significantly increase permeability of concrete
30
Which of the following statements regarding anisotropic behavior of timber is
incorrect ?
Answer
B. Shrinkage along grains is greater than across grains
31
A brick laid with its length across the wall is called
Answer
A. Header
32
A brick laid with its length in the direction of wall is called
Answer
B. Stretcher
33
Stepping of the unfinished end of the masonry wall is termed as
Answer
A. Raking back
34
Which type of bond is used for walls curved on plan for better alignment ?
Answer
D. Header bond
35
Selected long stones used to hold a stone masonry wall together transversally is
termed as
Answer
A. Bond stone
36
Stone masonry using dressed square stone blocks to given dimension and laid in
courses is called
Answer
A. Ashlar masonry
37
Concrete in which permanent internal stresses are deliberately introduced, usually
by tensioned steel, to counteract to the desired degree the stresses caused in the
member in service.
Answer
C. Prestressed concrete
38
According to Kerala municipal Building Rules, any building having more than four
floors including basement or sunken floors, shall have at least ________ number
of staircase/s.
Answer
B. Two
39
According to Kerala municipal Building Rules, ramps if provided as a substitute for
stairways shall be laid with a slope not exceeding
Answer
C. 1 in 10
40
Beam members of a roof truss carrying roof sheeting and supported by trusses is
termed as
Answer
D. Purlin
41
In a structure the point where bending moment changes its sign is called
Answer
A. Point of contraflexure
42
In simple bending theory, young’s modulus is assumed
Answer
B. Same in tension and compression
43
If a force is shifted along its line of action, the moment about any point
Answer
C. Remains unchanged
44
Centroid of a semicircle from base is
Answer
D. 4r/(3π)
45
In the theory of pure torsion, it is assumed that
Answer
C. Plane sections remain plane after twisting
46
If the ultimate stress of a material is 800 mPa and the factor of safety is 4, the
working stress is
Answer
A. 200 mPa
47
The area under the stress-strain curve represents
Answer
B. Toughness
48
For a cantilever beam of length L carrying UDL w (N/m), the maximum bending moment is
Answer
A. wL²/2
49
moment of resistance of a beam increases when
Answer
B. Section modulus increases
50
Uniformly distributed load (Udl) produces
Answer
B. linear variation in shear force
51
Which of these statements are true regarding plinth area estimate for a building ?
i. Plinth area estimate is only approximate.
ii. Plinth area estimate should be calculated for the covered area by taking
internal dimension of the building at the floor level.
iii. Courtyard and other open area should not be included in the plinth area.
Answer
C. Both i and iii
52
The carpet area does not include the area of
Answer
D. None of these are included
53
No deductions are made for openings each up to ________ sq m in masonry
work.
Answer
C. 0.1 sq m
54
The unit of measurement for dPC
Answer
A. Square metre
55
The multiplying factor for painting on corrugated sheet surfaces is
Answer
B. 1.14
56
Which of the following statements are true ?
i. The product of centre line of the walls and area of cross-section of any item,
gives total quantity of the item.
ii. The centre line is worked out separately for different sections of walls of a
building.
iii. The centre line length is reduced by half the layer of main wall joining the
partition wall.
Answer
A. All i, ii and iii
57
Pick up the correct statement(s) from the following :
i. For all building plans, site plans are prepared to a smaller scale showing the
orientation of the building and boundaries of land.
ii. The site plan shows the position of roads, drains, sewer lines, water pipe lines
and adjoining plots of lands.
iii. The North direction line is shown on one corner of the site plan to show the
geographical orientation of the building.
Answer
B. i, ii and iii
58
In revised estimate, the excess amount should not exceed
Answer
D. There is no fixed limit
59
The net annual letting value of a property, which is obtained after deducting the
amount of yearly repairs from the gross income is called
Answer
B. Rateable value
60
Scrap value of a building is generally taken as
Answer
C. 10% of cost of construction
61
In irrigation design, how does a long, narrow catchment shape affect the peak
runoff rate compared to a compact, fan-shaped catchment of the identical total
area ?
Answer
B. The long catchment produces a lower peak runoff rate because the time of
concentration is longer
62
What is the standard height of the rim of a standard non-recording type rain gauge
(Symon’s rain gauge) above the surrounding ground level to minimize water
splashing ?
Answer
B. 30 cm
63
during which months does the typical sowing and harvesting cycle for Kharif crops
take place in India ?
Answer
D. Sown in June – July; Harvested in September – October
64
Which specific method of surface irrigation is most hydraulically suited for orchard
trees, where water is conveyed through small rings or rectangular channels
constructed around the base of each individual tree ?
Answer
A. Basin or ring irrigation
65
A crop requires a total depth of water 120 cm over a base period of 120 days.
What is the duty of this irrigation water in hectares per cumec ?
Answer
C. 864 ha/cumec
66
Which structural component of a diversion headwork is built perpendicular to the
weir axis to isolate a pocket of calm water and reduce the velocity of flow entering
the canal head regulator ?
Answer
A. divide wall
67
Which type of earth dam is constructed by placing a highly impervious central core
(typically made of well-compacted clay) flanked on both sides by relatively
pervious outer shells of sand, gravel, or rockfill ?
Answer
B. Zoned-embankment earth dam
68
If a gravity dam fails by rotating and tilting forward around its lower downstream
edge, what type of structural failure has occurred ?
Answer
C. Overturning failure
69
Which type of canal is designed to carry water directly from a main river or a
reservoir without doing any direct irrigation itself, serving purely to supply water to
another canal system ?
Answer
C. Feeder canal
70
At a specific intersection point, a natural stream has a bed level of 310.0 m and a
High Flood level (HFl) of 314.00 m. The crossing canal has a bed level of 306.50 m
and a Full Supply level (FSl) of 309.00 m. Which structure is required ?
Answer
B. Superpassage
71
Which of the following statements is/are correct ?
I. degree of saturation for a fully saturated soil is 100%.
II. The sum of percentage of air voids and degree of saturation is always 100%
for a particular soil sample.
Answer
A. l only
72
If porosity of a soil sample is found to be 50%, what will be its void ratio ?
Answer
C. 1
73
Which of the following option is incorrect regarding various consistency limits of
soil ?
Answer
B. The maximum water content at which soil remains in plastic state is plastic limit
74
If the particle size range is between 0.425 mm to 2.0 mm, then the soil sample is
classified as
Answer
B. medium Sand
75
The water held by electrochemical forces existing on soil surface is known as
Answer
C. Adsorbed Water
76
Calculate the coefficient of permeability (in cm/sec) of a soil sample, 6 cm in height and 50 cm² in cross sectional area, if a quantity of water equal to 400 cm³ in 10 minutes, under an effective constant head of 40 cm.
Answer
A. 1/500
77
Which of the following is/are correct regarding proctor compaction tests ?
I. The weight of hammer used in modified proctor test is 4.89 kg with drop height
of 550 mm as per IS: 2720 (Part VIII)
II. The weight of hammer used in standard proctor test is 2.6 kg with drop height
of 310 mm as per IS: 2720 (Part VII)
Answer
D. II only
78
Which of the following methods uses electrodes to conduct soil exploration ?
Answer
B. Electrical resistivity method
79
Which of the following is not a limitation of plate load test ?
Answer
D. For clayey soils bearing capacity of soil increases with size of foundation, but
test gives conservative values because of the use of smaller plate
80
The piles that are used to anchor structures subjected to uplift are
Answer
A. Tension Piles
81
Calculate the lag distance for a design speed of 60 kmph for a two way traffic on a
two lane road. Take coefficient of friction as 0.36.
Answer
B. 41.68 m
82
The number of vehicles moving in a specified direction on a given lane or roadway
that pass a given point or cross section during specified unit of time is known as
Answer
C. Traffic volume
83
Calculate the extra widening required for a pavement of width 7 m on a horizontal
curve of radius 100 m, if the longest wheel base of vehicle expected on the road is
7 m. design speed is 70 kmph.
Answer
A. 1.23
84
Given below are two statements :
One is labelled as Assertion
Answer
A. and other is labelled as Reason
85
In India, Gauge width in broad gauge is
Answer
A. 1.676 m
86
In “adzing of sleepers”, sleepers are laid at an inward slope of
Answer
C. 1 in 20
87
Which of the following components provide access from runways to terminal area
in an airport ?
Answer
B. Taxiway
88
Which of the following tunnel cross sectional shape is most suitable for highways
and railways ?
Answer
D. Horse Shoe shaped
89
Trains are received, sorted, and new trains are formed at a yard known as
Answer
C. marshalling yards
90
Which of the following statement/statements is/are true about Water Bound
macadem (WBm) roads ?
i. WBM roads shall not be used as a finished pavement surface under any
circumstances.
ii. The coarse aggregate used in WBm base generally consists of crushed or
broken stones.
iii. In WBm roads bitumen is used as binding material to prevent raveling of
coarse aggregate.
iv. Screenings are used to fill the voids in between the coarse aggregate.
Answer
B. ii and iv only
91
The method of population forecasting that assumes ‘percentage increase in
population per decade’ as constant is
Answer
C. Geometrical increase method
92
Plain sedimentation removes impurities primarily by
Answer
B. Gravity settling
93
The water supply distribution layout which provides the least reliability during fire
breakout is
Answer
A. Tree system
94
The corrosive nature of water in supply pipes can be reduced by
Answer
D. Adding lime or powdered chalk
95
The method of water distribution in which the treated water is directly pumped into
distribution mains without storing it anywhere is called
Answer
A. Pumping system
96
The primary advantage of egg-shaped sewer sections compared to hydraulically
equivalent circular sewer sections is
Answer
C. Higher hydraulic mean depth at smaller depth of flow
97
Which among the following statements is true about separate sewerage system ?
Answer
B. Separate sewerage system leads to lesser load on the treatment unit
compared to a combined system
98
In grit chambers, the flow velocity is controlled to
Answer
C. Allow grit to settle while keeping organic matter in suspension
99
A flushing tank in a sewerage system is mainly used where
Answer
A. Self-cleansing velocity is not achieved
100
The major gas produced during sludge digestion, which comprises 65-70% of
sludge digestion gas is
Answer
D. methane
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