| Post Name | Overseer Gr-III, Draftsman Gr-II |
|---|---|
| Question Paper Code | 139/2025 |
| Category Code | 033/2024, 238/2024 |
| Date of Test | 30 October 2025 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Which BIS code No. is recommended for folding drawing sheets ?
Answer
C. IS 11664 â 1986
2
Trimmed size of a1 drawing sheet is
Answer
D. 594 mm Ă 841 mm
3
Which one of the following grade is a shading pencil ?
Answer
A. B
4
Butt joint d. It is a joint between members lying in the same plane
Answer
A. 1-b 2-d 3-a 4-c
5
The angle which is more than 180 degree is
Answer
B. Reflex angle
6
Which of the following statements are correct for Rhombus ?
i. all four sides are equal and four angles are equal.
ii. all four sides are equal but only opposite angles are equal.
iii. diagonals are equal and perpendicular to each other.
iv. diagonals are not equal but perpendicular to each other.
Answer
D. ii, iv
7
The length to height ratio of closed filled arrow head is
Answer
B. 3 : 1
8
In a drawing the letters and numbers are designated by their
Answer
A. Height
9
The method of drawing two or more views of an object on a drawing sheet is
Answer
B. Orthographic projection
10
Which of the following is not an enlarging scale ?
Answer
Question Cancelled
11
5 Newton = _______ dynes.
Answer
D. 500000
12
a motor vehicle covers 100 meters in 6 seconds. How many kilometers will it run in
one hour ?
Answer
C. 60
13
The perimeter of an equilateral triangle having side 45 mm long is
Answer
B. 135 mm
14
The perimeter of a sector of circle of radius 7 cm and arc length 14.7 cm is
Answer
B. 28.7 cm
15
Volume of a prism is
Answer
C. Base side area Ă Height
16
The volume of solid cone of 10 cm base dia and 30 cm height is
Answer
A. 250Ď
17
What is the full form of PROm ?
Answer
C. Programmable Read Only memory
18
Which Shortcut Key is used to close the currently active program ?
Answer
A. alt+F4
19
Which Shortcut Key is used to cut selected item ?
Answer
B. ctrl+X
20
Which Tool is present in Navigation Bar ?
Answer
Question Cancelled
21
Which tool is used to magnify a part of drawing ?
Answer
C. ZOOm
22
Which Function Key is used to toggle between snap mode on and off ?
Answer
B. F9
23
Which command is used for drawing parallel lines ?
Answer
A. OFFSET
24
Which Shortcut Key is used to Select all text ?
Answer
D. ctrl+a
25
The error in measured length due to incorrect holding of the chain is
Answer
B. compensating error
26
The method of levelling adopted to determine the difference of levels between two
points when it is not possible to set up the level midway between them is
Answer
A. Reciprocal levelling
27
Which method is used for plotting inaccessible objects, broken boundaries, rivers
etc. ?
Answer
D. Intersection method
28
When the whole circle bearing of two lines PQ and PR are 40° and 165° respectively.
Then the included angle QPR will be
Answer
A. 125°
29
a series of closed contour line on the map represents a __________ if the higher
values are inside.
Answer
C. Hill
30
When the angular and linear measurements are equally precise in traversing, the
balancing of the traverse is done by
Answer
C. Bowditchâs rule
31
In levelling, the correction for curvature (in meter) is equal to
Answer
B. 0.0785d2
32
Remote sensing technique are being usefully employed for the purpose of
Answer
D. all of these
33
The back sight reading on a bench mark of reduced level 100.00 is 2.005. If fore
sight reading on the point is 1.680, the reduced level of the point is
Answer
B. 100.325
34
Which of the following is a polymineralic rock ?
Answer
B. Basalt
35
as per IS : 1077-1970, the minimum crushing strength of bricks is
Answer
A. 3.50 N/mm2
36
Which of the following lime is used for whitewashing and plastering wall ?
Answer
D. all of the above
37
The materials which is retained on BIS test sieve no. _________ is termed as coursed
aggregate.
Answer
B. 480
38
couple close roof is used for spans is
Answer
C. 4.2 m
39
Spacing of the joists in filler joists floors is
Answer
B. 40 cm â 90 cm
40
Thickness of glass for structural glass flooring, is available in the form of tile and
slabs is
Answer
B. 12 mm to 30 mm
41
Which bond is used for ornamental panel in the brick flooring ?
Answer
C. Herring bone bond
42
Emulsion paint dries quickly in about
Answer
A. 1½ to 2 hours
43
_________ termites cannot survive or live without maintaining a connection with the
soil.
Answer
C. Subterranean
44
____________ is prepared on the basis of plinth area of building, the rate being
deducted from the cost of similar building having similar specification, heights and
construction, in the locality.
Answer
B. Plinth area Estimate
45
In detailed estimate the provision for contingencies, is usually
Answer
D. 3 â 5%
46
The unit of payment for A.C. sheet roofing is in
Answer
C. Sq.m.
47
The gradual reduction in value with age of a property is known as
Answer
B. depreciation
48
a work costing less than Rs. 20,000 is termed as
Answer
A. petty work
49
Which classification does row building comes in ?
Answer
A. Residential building
50
What is the maximum covered area for an industry ?
Answer
B. 60% of the site area
51
What is the other name of circulation in the same floor ?
Answer
C. Horizontal circulation
52
The placing of various room or units of a structure in proper correlation of their
functions and in due proximity with each other is known as
Answer
C. Grouping
53
What is printed list of rates of various items of work maintained by the engineering
department ?
Answer
D. Schedule of rates
54
The intensity of pressure for a fluid at rest is equal in all directions. This fact is known
as
Answer
A. Pascalâs law
55
a manometer is used to measure
Answer
C. Pressure in pipe and channels
56
The specific weight of water in S.I. units is
Answer
C. 9.81 Ă 103 N/m3
57
Which of the following is non-rigid dam ?
Answer
B. Rock fill
58
Which element of hydroelectric power plant reduce the water hammer pressure
formed in the penstock ?
Answer
B. Surge tank
59
What is the first watering before sowing the crop ?
Answer
B. Paleo
60
Where did the surplus water in weir is allowed to flow ?
Answer
B. crest
61
Which cross drainage work is constructed to carry canal over drainage ?
Answer
A. aqueduct
62
Which irrigation method water is supplied to lower level by the action of gravity ?
Answer
A. Flow
63
The process of unfolding all the surfaces of an object on a plane is called
Answer
A. development of surfaces
64
The development of a pyramid or cone is formed by
Answer
C. Radial line development method
65
Which refers to the lines that occur when geometric surfaces such as planes,
cylinders, cones etc. ?
Answer
C. line of intersection
66
as cylinder have lateral surfaces curved, the line of intersection between them will
Answer
A. curved
67
Radial line development has the fold lines, coming from a point which is known as
Answer
C. apex
68
Which is the other name of pitch diameter ?
Answer
D. Effective diameter
69
choose correct statement about thread angle.
i. The included angle of acme thread is 29°
ii. The included angle of metric thread is 60°
iii. The included angle of Ba thread is 28°
iv. The included angle of BSF thread is 55°
Answer
D. ii and iv
70
Which nut have a slot is cut half way across the nut ?
Answer
D. Swan nut
71
In which type weld symbols, the arrow line should point towards the plate which is
prepared ?
Answer
B. J butt weld
72
Which statements are correct about the welding joints ?
1. Lap joint a. It is a joint between the edges of the parallel members
2. Tee joint b. It is a joint between overlapping members
3. Edge joint c. It is a joint located at right angles to each others
4. Butt joint d. It is a joint between members lying in the same plane
Answer
C. 1-b 2-c 3-a 4-d
73
choose correct statement about threaded fasteners.
i. machine screws are used where a close tolerance assembly is not required.
ii. machine bolts reused for general assembly work.
iii. cap screws are used when assembly requires more precise.
iv. Set screws are used to prevent pulleys from slipping on shafts.
Answer
C. iii and iv
74
Which type of foundation bolts used for hold down large machines ?
Answer
B. long cotter bolt
75
Which type of washer can be used for locking the nuts which are located near an
edge or corner ?
Answer
B. Tab washer
76
In pipe fitting, which connector/pipe fitting part helps the pipe line to branch off
90 degree and change in diameter is required ?
Answer
D. Reducing Tee branch
77
Which are the statements correct in the case of Pipe Fitting-Union ?
I. It has an exterior pipe thread end and a projecting head for fitting in the socket.
II. It enables repairs/replacement of the pipe line system without disturbing the other
parts of the system.
III. It is inserted in a pipe line to permit its connections with little change to the position
of pipe.
IV. It is used to connect two fittings within a short distance.
Answer
B. II and III
78
In which rivet, the upper portion of the rivet head is flat and taper, it is used for heavy
engineering work ?
Answer
A. Pan head
79
Name of the rivetted joint
Answer
C. double rivetted lap joint
80
Which are the statements correct in the case of spacing of rivet process in rivetted
joints ?
I. The space or distance from the edge of the metal to the centre of any rivet should
be atleast 2 Ă d
Answer
D. iameter) of the rivet.
II. The space or distance from the edge of the metal to the centre of any rivet should
be atleast 2.5 Ă d
81
Which are the statements correct in the methods of adjusting belt tension ?
I. When the distance between two pulleys is fixed, the tension of a belt is adjusted by
the adjustment screw.
II. When the distance between two pulleys is not fixed, the tension of the belt is
adjusted by using an idler.
III. When the distance between two pulleys is fixed, the tension of a belt is adjusted by
using an idler.
IV. When the distance between two pulleys is not fixed, the tension of the belt is
adjusted by the adjustment screw.
Answer
C. III and IV
82
Name of the belt fastener type
Answer
D. lagrelle
83
as the belt turns on a pulley it tends to stretch on the contact area of the driving pulley
and shorten on the driven pulley. This localised movement of the belt is a direct result
of the elastic stretch and is known as
Answer
A. creep of belt
84
among them what are advantages of a chain drive power transmission ?
I. The contact between the chain and the drive sprockets increases the chances of
slips.
II. Positive contact between the chain and the drive sprockets eliminates the
possibility of slips.
III. chain drive can be used only where the distance between the driving and driven
shafts is short.
IV. chain drive can be used where there is a large distance between the driving and
driven shafts.
Answer
B. II and IV
85
Which Gear teeth are cut parallel to the axis of rotation ?
Answer
C. Spur gear
86
In Spur gear, radial distance between the pitch circle and root circle is denoted by
letter âhfâ is known as
Answer
D. dedendum
87
The name of this gear is
Answer
B. Hypoid gear
88
In hydraulics, Pascalâs law states that
Answer
C. Pressure applied to a confined fluid is transmitted equally in all directions
89
Which hydraulic pump suitable for very high pressure ?
Answer
B. axial Piston Pump
90
The main function of a hydraulic accumulator is
Answer
C. To absorb shocks and store energy
91
a pneumatic circuit uses a cascade method for sequencing multiple cylinders. What
is the primary function of the cascade method in pneumatic control ?
Answer
D. To ensure correct sequence of cylinder operations without overlap
92
In a pneumatic system, a quick exhaust valve is installed near a double acting
cylinder. What is the main reason for its placement close to the actuator rather
than at the control valve ?
Answer
A. To allow faster retraction/extension by exhausting air directly to atmosphere
93
If a shaft of size 50 mm has a limit of size 50.00 mm to 49.95 mm, what is the tolerance
of the shaft ?
Answer
C. 0.05 mm
94
âIt is the difference between the maximum limit of size and the minimum limit of size, it
is always positive and is expressed only as a number without a signâ â what is this ?
Answer
B. Tolerance
95
Which of the following is not a disadvantage of mass production ?
Answer
B. The cost of piece is reduced
96
âDINâ is the systems of limits and fits, following by which country ?
Answer
A. German
97
Which bearing can take both radial and axial load ?
Answer
C. deep groove ball bearing
98
Which bearing is generally used to take axial load only ?
Answer
B. Thrust bearing
99
Which bearing is also called an anti-friction bearing ?
Answer
B. Ball and roller bearing
100
In a sliding contact bearing, the coefficient of friction is given by
Answer
D. Petroffâs equation
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