| Post Name | METER READER (Kerala Water Authority). |
|---|---|
| Question Paper Code | 008/2026 |
| Category Code | 279/2025 |
| Date of Test | 29 January 2026 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
In ABC of first aid,
Answer
B. stands for Breathing and
2
The accuracy of measurement by try square is about :
Answer
A. 0.002 mm per 10 mm length
3
Chipping operation the clearance angle is very low and the rake angle is more, what will
be done?
Answer
D. The chisel will slip
4
Name the Instrument used to measure the diameter of a hole :
Answer
C. Inside micrometer
5
When the taper shank of the drill is larger than the machine spindle, the device to the
drill is used?
Answer
C. Taper sockets
6
Which tool should be used to clean jaws of pipe wrench?
Answer
D. Triangular file
7
Pipe wrench is used for pipes of diameter is :
Answer
A. 15 mm to 50 mm
8
Why is ratchet stop provided to the Spindle of an outside Micro meter?
Answer
B. Prevent excess pressure
9
What is Removing small quantity excess material from a job by a file?
Answer
D. Filling
10
The Bottom surface joining the two sides of Adjacent threads (external threads) is
Answer
C. Root
11
Which one of the following properties of a metal has ability to change its shape without
destruction under the influence of External force?
Answer
A. Plasticity
12
Which of the following metals can be found in a pure state in nature?
Answer
C. Gold
13
Gun metal is an alloy of :
Answer
A. Copper, Tin, Zinc
14
The use of AC pipes can lead to health problems because of presence of :
Answer
C. Asbestos in it
15
What is the use of Hemp packing in pipe jointing?
Answer
C. To keep the joint water tight
16
SWG pipes Glazing helps as :
Answer
A. Get smooth inside the pipes
17
Which pipe fittings are used for closing a pipe line which has an Internal threading?
Answer
D. Plug
008/2026 4 A
18
What is the IS code of spun iron pipes?
Answer
Question Cancelled
19
What joint to be used for PPR pipes (Poly Propylene Random Co-Polymer pipes)?
Answer
B. Poly fusion welding joint
20
Which pipe joint can be dismantled and again assembled easily?
Answer
D. Flanged joint
21
What is the correct statement in the case of requirements of wholesome water?
Answer
A. It should be free from bacteria which may cause disease
22
The instrument ‘Tinto meter’ which is used for :
Answer
B. To measure the quantity of colour in water
23
Which process is use for removing the impurity of Dissolved gases tastes and odours in
water?
Answer
C. Aeration and Chemical treatment
24
1-2 ppm BOD
Answer
A. Very clean water, little organic decay
25
What should be done to remove floating materials like dead animals?
Answer
C. Screening
26
The distruction of all living things is called :
Answer
B. Disinfection
27
Which pipe is used for making goose neck in the house connection?
Answer
Question Cancelled
28
Which test is used for old pipe line?
Answer
B. Smoke test
29
What is the standard code for rotational moulded polythene water storage tank is?
Answer
C. IS 12701
30
The installation and maintenance of domestic water meter is governed by :
Answer
A. IS 2004
31
The pump which is not a kinetic energy pump is :
Answer
Question Cancelled
32
What is the principle on centrifugal pump?
Answer
D. Centrifugal force
33
Impulse pump also known as :
Answer
C. Hydraulic ram
34
Which system is used for towns growing irregularly?
Answer
B. Tree system
35
The pump attached with impeller and pump is :
Answer
D. Mono block pump
36
With reference to water storage, ESR stands for :
Answer
B. Elevated Storage Reservoir
37
Sump is constructed at the :
Answer
B. Below the ground
38
Which location the booster pumps are fixed?
Answer
B. Where pressure is low
39
Diffuser type of centrifugal pumps are those centrifugal pumps which have :
Answer
B. Turbine type of casing
40
Axial flow centrifugal pumps are characterised by :
Answer
A. High flow and low pressure
41
What is the size of waste fitting for sink?
Answer
B. 50 mm
42
Which valve fixed to prevent water hammer in pump?
Answer
B. Pressure release valve
43
Capacity of High level flushing cisternis :
Answer
D. 10 liters
44
How much the pressure the pillar taps can withstand?
Answer
A. 20 kg/sq.cm
45
What should be done if water is running continuously with bowl in flush valve?
Answer
C. Replace washer
46
Check valve is also known as :
Answer
C. Reflux valve
47
Water closet outlet dimension is :
Answer
B. 100 mm
48
Traps are used to prevent the passage of :
Answer
Question Cancelled
49
Identify the following shown below :
Answer
C. Swing Check valve
50
What is the size of over flow pipe in flushing cistern?
Answer
B. 20 mm
51
Which type of rivet is used in fabrication work of sheet metal work?
Answer
C. Flat head
52
––––––––––– nut is used where frequent adjustment is required.
Answer
C. Wing nut
53
––––––––––– tool is used to prevent the damage of head and shape of the rivet.
Answer
C. Dolly
54
Which type washer can be used for locking the nuts which are located near an edge or
corner?
Answer
B. Tab Washer
55
What is the hole diameter of 5mm rivet?
Answer
B. 5.3 mm
56
––––––––––– is used as flux mainly for soldering stainless steel.
Answer
D. Phosphoric acid
57
Most important part of soldering iron :
Answer
B. Copper Bit
58
What is the ratio of Tin and Lead in Coarse solder?
Answer
D. 40:60
59
In brazing, filler material is known as :
Answer
A. Spelter
60
Which nut is used in coach building?
Answer
C. Square nut
61
The number of pipes provided in two pipe system :
Answer
C. 4
62
Which test is used to clarify the obstructions of house drainage pipe line?
Answer
Question Cancelled
63
A septic tank is used to treat :
Answer
B. Domestic sewage
64
The small masonry chamber which is constructed below the street inlet to prevent the
flow of grit, sand etc is called :
Answer
A. Catch basin
65
Purpose of manhole provided in drainage system :
Answer
C. Inspection and maintenance
66
The distance between inspection chamber and gully trap chamber should not exceed :
Answer
A. 6m
67
The minimum internal diameter of access shaft of manhole are :
Answer
C. 50 × 50 cm
68
Self cleaning velocity of 60 cm diameter sewage pipe is :
Answer
Question Cancelled
69
Seepage pit is also known as :
Answer
D. Soak pit
70
The diameter of main ventilating pipe should not be less than :
Answer
C. 50 mm
71
Which joint is called Universal joint?
Answer
D. Flexible joint
72
Which joint is used at such places where pipes contract due to change in atmospheric
temperature?
Answer
C. Expansion joint
73
The width of the trench shall be outside diameter of the pipe plus ___________ cm.
Answer
A. 30 cm
74
Which pipe is essentially used for carrying Ammonia?
Answer
A. Steel pipe
75
What is the centre to centre spacing while fixing of sight rail?
Answer
C. 7.5 m
76
While stainless steel soldering, whet is used as flux :
Answer
A. Phosphoric Acid
77
Roots of trees with a distance of ––––––––––– cm from the pipe side are also to be
removed or killed while excavating for pipe laying.
Answer
B. 50 cm
78
Which of the following statement is/are correct about benefits of rain water harvesting
is?
(i) Ground water table rises
(ii) Reduce the salinity
(iii) Avoiding flooding
Answer
D. All are correct
79
In a ––––––––––– solar water heating system the storage tank is Horizontaly mounted
immediately above solar collectors on the roof.
Answer
A. close coupled
80
Specific heat of water is :
Answer
A. 1
81
Radiation pyrometers are used to measure temperatures of red hot metals upto –––––––
Degree celsius.
Answer
C. 3000
82
Which joint is mostly used for temporary pipe line?
Answer
C. Flanged joint
83
A fitting with internal threads is used to connect two pipes with different diameter
without any direction change :
Answer
C. Reducer coupling
84
The parts to be brazed are submerged in a molten metal or chemical bath is called :
Answer
C. Dip brazing
85
The heat of the sun travels through the space is the example of :
Answer
C. Radiation
86
Cold water connection is given to the ––––––––––– side in the mixer tap.
Answer
A. Right side
87
Indirect solar heating systems use a heat exchanges that separates the portable water
from the fluid, known as ––––––––––– circulates through the collector.
Answer
B. heat transfer fluid
88
Roof top water harvesting involves taking down a PVC or M.S. Pipe of ––––––––––– to
––––––––––– mm dia pipe from the roofs outlet to the ground floor.
Answer
A. 90 to 120 mm
89
––––––––––– Solar water heating systems costless and have extremely low or no
maintenance.
Answer
B. Passive
90
The temperature is measured by :
Answer
A. Thermometer
91
What is the length of club hammer handle?
Answer
B. 225 mm
92
What is the use of Hawk?
Answer
A. To carry mortar
93
Which brick is used for ornamental works?
Answer
D. Sand lime brick
94
After two years of storage the strength of cement is :
Answer
B. 48 %
95
Specific gravity of fine aggregrate is more than :
Answer
A. 2.7
96
What is compressive strength of first class brick?
Answer
D. Not less than 105 kg/cm2
97
Curing shall be started ––––––––––– Hours after finishing the plastering.
Answer
A. 24 Hrs.
98
Shorter length with one and flattend to enter the wall joints is called :
Answer
B. Putlog
99
Which type of scaffolding is called mason’s scaffolding?
Answer
A. Independent scaffolding
100
Which class lime is used for structural purpose?
Answer
A. A class
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