| Post Name | TRAINING INSTRUCTOR (PLUMBING)-SC DEVELOPMENT DEPARTMENT |
|---|---|
| Question Paper Code | 007/2020 |
| Date of Test | 28 January 2020 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
What safety devices will you use to protect yourself while chipping ?
Answer
B. Goggles
2
Why the wooden top used on a workbench ?
Answer
A. Absorb shocks
3
Which safety precaution not associated with use of hammer ?
Answer
D. Use hammer instead of any other tool.
4
Protect from electric shock which device use ?
Answer
D. Rubber hand gloves
5
To protect from the eyes from rays of arc should use _______.
Answer
B. Hand screen
6
Which provide on the point of scriber to prevent accident ?
Answer
A. Cork
7
Where white wash use on the job ?
Answer
B. Rough surface
8
Which tool use to scribe lines to indicate dimensions on the workpiece ?
Answer
C. Scriber
9
State the tool use for scribing lines parallel to datum surface.
Answer
A. Surface gauge
10
Each question is provided with four choices
Answer
A. ,
11
How to specify dividers ?
Answer
A. Joint and length
12
State the angle of Try square.
Answer
D. 90ο°
13
Least count of a matric outside micrometer is
Answer
A. 0.01 mm
14
Name the tool use to measure outside diameter of a pipe.
Answer
C. Outside calliper
15
The included angle of twist drill bit.
Answer
C. 118ο°
16
File guard are used for the removal of
Answer
A. Suspended matters from the file.
17
Hand taps are used to form the thread on
Answer
A. Internal threads
18
Socket is also one of the device of their
Answer
B. drill holder
19
External threads are cut by
Answer
B. die
20
Mortise Chisel is a
Answer
A. Cutting tool
21
Which tool is use for extracting nails ?
Answer
B. Claw hammer
22
Length of cross-cut saw is varies from
Answer
D. 600 to 650 mm
23
Name the tool to measure the surface level of small area.
Answer
A. Spirit level
24
G.I. Pipe socket are designated by
Answer
C. Nominal bore of pipe for which it is meant
25
Lead pipe and copper pipe are cut easy with
Answer
B. Pipe cutter
26
P.V.C. pipes are manufactured by using
Answer
D. Polyvinyl chloride
27
In hot water line which colour code is used ?
Answer
Question Cancelled
28
Spun Pipe
Answer
A. Metal moulds
29
Pipe wrench is used for pipes of diameter
Answer
B. 15 to 50 mm
30
Tee is used for
Answer
A. Branch of at 90ο°
31
Every pipe bender will have
Answer
B. Inner former
32
Mortar pan is used for
Answer
D. Carry excavated materials
33
Compressive strength of any individual brick
Answer
C. shall not be less than 80% of specified strength.
34
Cement concrete is
Answer
C. Good in compression
35
While hand mixing of cement concrete
Answer
B. Cement and sand are first mixed
36
Which tool is used for earth excavation, mixing mortar and mixing concrete ?
Answer
A. Spade
37
What type of bond is used for constructing curve and footing of foundation ?
Answer
B. Header bond
38
What is used to binding stones, bricks e.t.c. ?
Answer
B. Mortar
39
To check straightness of brick masonry and plaster ________ is used.
Answer
A. Straight edge
40
Water absorption percentage of good brick of its own weight is _______.
Answer
D. not more than 20%
41
Solder is an alloy of
Answer
A. Lead and Tin
42
What type of flux is used for soldering Copper sheet, Brass sheet and Tin plates ?
Answer
B. Zinc chloride
43
In torch brazing heat is applied by
Answer
A. Oxy-acetylene flame
44
Which gases are used for cutting of steel and heating purpose only ?
Answer
A. Oxy acetylene gas flame
45
Melting point of lead is
Answer
C. 327 ο°C
46
Which tongs are used for holding round rods horizontally ?
Answer
C. Hollow tong
47
The head of soldering iron is made of
Answer
B. Forged copper
48
Which nut are used light duty assembly which requires frequent removal and fixing ?
Answer
C. Wing nuts
49
Soft solder are used for soldering, whose melting point is
Answer
D. less than 450 ο°C
50
Which welding process preferred by weld thick plate ?
Answer
D. Submerged arc welding
007/2020 8 A
51
________ are defined as fitting at the end of soil pipes of waste pipes to prevent foul
gases coming out of waste pipes.
Answer
B. Trap
52
_______ is caused by a fault in the trap or plumbing installation and water on the floor
would be apparent.
Answer
A. Leakage
53
The length along the centre of the pipe and fitting :
Answer
D. Developed length
54
The lowest portion of the inside of any pipe or conduit that is not vertical
Answer
C. Invert
55
A valve permitted a liquid or gas to flow in one direction :
Answer
D. Check valve
56
It is added to water to reduce salinity :
Answer
Question Cancelled
57
In sanitary fitting, the symbol stands for
Answer
C. Gate valve
58
Solder for potable water pipe shall be ________ free.
Answer
B. Lead
59
The liquid waste from Kitchens, Bath rooms and Wash basins, is not called
Answer
B. Sewage
60
A pipe installed in the house or building drainage to preserve that water seal of a trap
Answer
D. Anti-Syphonage pipe
61
The disposal of sewage into natural water courses such as streams, rivers, sea and lake is
known as
Answer
B. Disposal by dilution
62
The bacterias which exist under dark and stagnate conditions in the absence of oxygen
are known as
Answer
D. Anaerobic bacterias
63
The symbol stands for
Answer
A. Elbow
64
________ is a form of ball valve use to control the flow of a liquid or gas.
Answer
C. Stop cock
65
______ is an inspection chamber in a drainage system.
Answer
B. Manhole
66
Which of the following is used in toilet under water closet ?
Answer
B. Strap
67
Effluent quality control is typically aimed at
Answer
D. All of these
007/2020 10 A
68
______ forces non-toxic artificially created smoke through waste and drain pipes under a
slight pressure to find leak.
Answer
C. Smoke test
69
If water flowing through a tap or valve is suddenly arrested, it will produce a noise like
hammering and it is known as
Answer
D. Water hammer
70
The most commonly used dis-infectant for sterilization of water is _______.
Answer
A. Chlorine
71
Ground water is usually free from
Answer
B. Suspended impurities
72
Closed impeller type of centrifugal pumps is largely used for pumping water supplies,
because
Answer
A. Efficiency is high
73
The driving motor is placed below the pump bowl in a
Answer
C. Submersible pump
74
The pump suitable for lifting water from very deep tubewells of the order of 100 to 150 m
deep is
Answer
D. Air lift pump
75
The pump which is not a kinetic energy pump is
Answer
A. Rotary pump
76
At what frequency maintenance works are be carried in water heater ?
Answer
B. 6 months
77
The distance between manhole and gully chambers should not exceed
Answer
C. 6 m
78
Waste fittings for wash basine shall be of nominal side
Answer
A. 32 mm
79
The minimum height between the top of the water closet pan and the underside of the
high level flashing cistern is
Answer
B. 125 cm
80
The trap which prevent the self syphonage is
Answer
A. Anti-
81
How much is the average quantity of sewage per capita per day ?
Answer
Question Cancelled
82
What instrument is used while conducting air test in pipe ?
Answer
A. Manometer
83
How much is the weight of 15 mm C.P. pillar tap ?
Answer
A. 650 gm
84
Which side of the mixing tap hot water line to be connected ?
Answer
B. Left side
85
Popup waste is replacement of what ?
Answer
A. Rubber plug of chain
86
______ is an appliance for heating water in bathroom.
Answer
B. Geyser
87
Which one of the following receives human excreta directly from the user ?
Answer
C. Water closet
88
The minimum horizontal distance between a ground water well and septic tank should be
Answer
A. 15 m
89
______ pump is used for pumping sewage.
Answer
C. Centrifugal pump
90
The slope provided for self-cleaning velocity to 150 mm diameter drain pipe
Answer
B. 1 : 60
91
Important part of water closet is
Answer
C. Trap
92
S.W.H. means :
Answer
A. Solar Water Heating
93
The amount of heat required to raise the temperature of one pound of water through
1ο° F at Sea level is
Answer
C. B.T.U.
94
_______ is the energy in transmit from one matter of body to another due to temperature
difference.
Answer
A. Heat
95
______ is the degree of hotness and coldness of the body.
Answer
B. Temperature
96
Specific heat of water is _____
Answer
Question Cancelled
97
In passive heating system water is circulated in the loop naturally due to ______ action.
Answer
B. Thermo syphon
98
How to prevent algae growth in overhead tank ?
Answer
D. By using Copper sulphate
99
Rotary pumps are easily repair. Why ?
Answer
A. No valve
100
What remedy is carried out, while spindle of valve rotates continuously ?
Answer
A. Change the spindle
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