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Kerala PSC Tradesman- Masonary – Technical Education Previous Question Paper – 078/2023

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Post NameTradesman- Masonary - Technical Education
Question Paper Code078/2023
Category Code768/2021
Date of Test19 June 2023
Medium of QuestionENGLISH
Exam TypeOMR Examination
Total Questions100
1
Which of the following is a category of workplace hazards ?
Answer
D. All the above
2
The fire extinguisher used to put out fires that have started from an electrical source comes under
Answer
C. Class C
3
The ABCs of first aid refer to Airway, Breathing and
Answer
A. Circulation
4
Which of the following is mostly needed for the plants for their survival ?
Answer
A. Nitrogen
5
The transfer of food energy from the plants through a series of organisms is referred to as
Answer
B. Food chain
6
The drawing instrument which helps to draw smooth curve passing through any given points is a
Answer
C. Flexible curve
7
Select the correct order. According to IS : 11664-1986, After the completion of the drawing, the drawing sheet should be folded properly in the following procedures. i. Fold vertical ii. Fold horizontal iii. Fold drawing to the size of file iv. Title block appear in the topmost position
Answer
A. i, ii, iii and iv
8
Select the incorrect statement. In lettering,
Answer
C. On a drawing, mix vertical lettering with inclined lettering
9
Which arrangement of the dimensioning is used when a number of dimensions of a part have a common datum feature ?
Answer
A. Parallel dimensioning
10
The path described by a point moving in a plane at a fixed distance from a fixed point is
Answer
D. a circle
11
The actual length of wall is 3 m and is represented by 6 mm length on a drawing. Then its R.F. is
Answer
A. 1/500
12
A scale which is used to make or measure angles of any magnitude is known as
Answer
C. Scale of chords
13
For free hand sketching, which grade pencil is preferred ?
Answer
A. HB
14
The geometric method of projection obtained on the plane of projection when the projectors are parallel to each other and perpendicular to the plane of projectors is
Answer
B. Orthographic projection
15
From the below given statements, which is not correct in first angle projection ?
Answer
D. The plane of projection is in between the observer and the object
16
If a point is situated in the third quadrant, the distance of top view from Xy-line is equal to the distance of the point from
Answer
B. Vertical plane
17
A polyhedron having a plane figure as a base and a number of triangular faces meeting at apex is called
Answer
D. A pyramid
18
In Isometric projection, the isometric length of object is fore shortened to _______ times the true length.
Answer
B. 0.82
19
In projection of solids, if the axis of a right solid is perpendicular to H.P, which view will have the true shape of its base ?
Answer
C. Top view
20
The continuous thin ruled lines with short zig-zags within them are drawn to show
Answer
D. long break lines
21
The special methods, which can be adopted for the removal of colour, odour and taste in water treatment are i. Aeration. ii. Treatment by activated carbon. iii. Use of copper sulphate.
Answer
C. i, ii and iii
22
Water requirement for a worker in a factory in litres per day is
Answer
A. 50 per worker
23
Which of the following is the most reliable method of distribution of water ?
Answer
B. Gravity system
24
The phenomenon of setting down of particles at the bottom of tank during water treatment process is known as
Answer
C. Hydraulic Subsidence
25
In a Hydroelectric power plant, the pipes of large diameter used for conveying water from the reservoir to the turbines are called
Answer
D. Pen stocks
26
If the deformation continues even when the load is constant, the name of that mechanical property of material known as
Answer
C. Creep
27
In Chemical classification of rocks, slate comes which type ?
Answer
A. Argillaceous
28
In stone arches how placing the natural bed of stone ?
Answer
D. Radial
29
The process of taking out stones from natural rock bed is known as
Answer
B. Quarrying
30
In dressing of stones which type make a margin of 20 mm width is sunk on all edges of stone ?
Answer
D. Furrowed finish
31
In manufacture process of terra-cotta burning the dried products in which furnace ?
Answer
A. Muffle furnace
32
What is the crushing strength of ‘A’ grade brick ?
Answer
C. 7KN-14KN
33
Heating the lime to redness in contact with air is known as
Answer
A. Calcination
34
In composition of ordinary cement what is percentage of silica (SiO2) ?
Answer
C. 22%
35
In cement manufacturing process after burning the raw material in high temperature _________formed.
Answer
C. Clinker
36
What is the size of slump cone used for slump test, bottom dia × top dia × height ?
Answer
B. 20 cm × 10 cm × 30 cm
37
In concrete after consolidation presence 5% voids, then how much strength reduces ?
Answer
D. 30%
38
From the following which defect occur due to seasoning of timber ?
Answer
C. Honey – combing
39
What is the method of preservation of timber without using any preservatives ?
Answer
A. Charring
40
From the following which one is not an industrial timber ?
Answer
B. Scantling
41
From the following which one is the ferrous metal ?
Answer
D. Wrought iron
42
__________ is an alloy of copper and tin and minor percentage of other elements except zinc may be added.
Answer
B. Bronze
43
At what temperature Thermo setting plastic sets permanently ?
Answer
A. 127° to 177°
44
The vehicle or carrier of oil-borne paint is
Answer
C. linseed oil
45
Which Tar is obtained by distilling bituminous Shales ?
Answer
B. mineral Tar
46
What is the name of process in which the raw water is retained for some time quiescent in a basin for the suspended particles are settled by the action of gravity ?
Answer
D. Plain sedimentation
47
Which Trap is providing at last of the house drainage line before connecting to main sewer ?
Answer
B. Intercepting Trap
48
While designing the Septic tank depth what is range of free board taking ?
Answer
C. 40 cm – 60 cm
49
In European Type water Closet what is the minimum depth of water seal in the trap ?
Answer
D. 45 mm
50
A pipe which is installed in the house drainage to preserve the water seal known as
Answer
B. Antisyphonage Pipe
51
Single vertical soil pipe fixed and all the waste matter from baths, kitchens, water closet etc. discharged into it in addition also act as vent pipe this system of plumbing is called
Answer
A. Single stack system
52
Waste water from bath rooms, kitchen etc, known as
Answer
C. Sullage
53
When one pipe slipped into the socket or bell of proceeding pipe this type of pipe joint known as
Answer
B. Spigot joint
54
In water presence of inorganic substances like clay, sand silt etc. this impurities known as
Answer
D. Physical impurities
55
A right angled sleeve of brass or gun metal jointed to an opening drilled in the water main for giving water connection called
Answer
C. Ferrule
56
The piles are driven at an inclination to resist large horizontal or inclined forces
Answer
B. Batter pile
57
The safe bearing capacity of hard rock is
Answer
C. Above 200 t/m2
58
Which shoring consists of inclined support provided to an unsafe existing structure externally ?
Answer
A. Raking shore
59
Which is the semi rigid material used for dPC ?
Answer
D. mastic asphalt
60
Which bond comprises of one course of a header to two or five courses of stretchers ?
Answer
C. English garden-wall bond
61
Which type of stone masonry commonly adopted in the construction of residential building ?
Answer
A. Coursed rubble masonry
62
Which tool is used for splitting the stones ?
Answer
B. Gad
63
A rounded or semi-circular moulding provided on the edge of wood is
Answer
D. Bead
64
Name the joint is commonly used in wooden trusses at the junction of struts and king post.
Answer
D. mortise and tenon joint
65
Which is the ratio of glazed portion to the panelled portion of a glazed door ?
Answer
A. 2 : 1
66
In which place the clerestory window is provided ?
Answer
B. In between main roof and verandah roof
67
The width of door is
Answer
B. 0.40 to 0.60 height
68
From the following arch which has the depth at crown is more than that at the springing line ?
Answer
C. Horse shoe arch
69
The perpendicular distance between the intradose and extradose of an arch
Answer
D. depth of an arch
70
The distance of embedding of lintel into wall is
Answer
C. Bearing
71
The venetian arch has
Answer
D. Four centre
72
Additional moulding provided under the nosing to improve the elevation of step and to provide extra strength to nosing end
Answer
A. Scotia
73
Bifurcated stair is
Answer
C. Quarter turn stair
74
The product of rise and tread should be in the range of
Answer
B. 400-450 mm
75
Which flooring is made with special aggregate of marble chips mixed with white and coloured cement ?
Answer
A. Terrazo flooring
76
The queen post truss is commonly used for spans
Answer
B. From 8m to 12m
77
Tie beam is a
Answer
A. Tension member
78
How many vertical bars (minimum number) are provided for circular column ?
Answer
B. Six
79
What is the clear cover for foundation slabs and beams ?
Answer
D. 50 mm
80
Which is the maximum size of coarse aggregate for a mix of m20 concrete ?
Answer
B. 20 mm
81
Planning and design of a building evolve some of architectural considerations, which of the following is/are influence the architecture ? i. Topography ii. Climate iii. Influence on roof iv. Social structure and history
Answer
D. All the above
82
While planning the effect produced by elevation and general layout of the plan is called
Answer
C. Elegance
83
As per building occupancy hazardous buildings come under
Answer
D. Group I
84
A strong room may be provided centrally in the building to store valuables is
Answer
D. Box room
85
For a multistoried building Floor Area Ratio i.e, F.A.R. shall be calculated as i. F.A.R. = Plot area / Total floor area on all floors ii. F.A.R. = Plot area / Total floor area of ground floor iii. F.A.R. = Total floor area on all floors / Plot area iv. F.A.R. = Total floor area of ground floor / Plot area
Answer
C. Only iii
86
An intermediate floor in any storey over hanging and overlooking the floor beneath
Answer
B. Mezzanine floor
87
The lining or panelling of wood on the lower part of masonry walls say for a height of about 60cm from the floor level is called
Answer
C. Wainscot
88
The arrangement of steps provided from ground level to reach plinth level infront of external doors on verandah is termed as
Answer
C. Threshold
89
The horizontal projections provided at suitable levels between plinth and cornice to break the monotony of a plane surface and improve the appearance is known as
Answer
A. String course
90
Which of the following is provided immediately below the cornice ?
Answer
D. Frieze
91
Convert – 40°C into °F.
Answer
D. – 40
92
0.005 =
Answer
D. 1/200
93
Calculate the number of standard bricks required for a wall of 6m length 20cm width and 3m height.
Answer
C. 1800
94
RCC work for a lintel requires 15m Fe 415 8mm dia reinforcement bar. Find the weight of steel required in quintel.
Answer
D. 0.05925
95
Calculate the area of a triangular plot having sides 6m, 8m and 10m.
Answer
A. 24sqm
96
Which of the following is/are ferrous metals ? i. Tin ii. Zinc iii. lead iv. Copper
Answer
C. None of these
97
Heat is measured by
Answer
B. Calorimeter
98
Which of the following is /are equal to 1 ? i. Sin 90° ii. Cos 0° iii. Tan 45°
Answer
D. All the above
99
Which of the following statement is/are true about mass and weight ? i. mass varies from place to place ii. The mass is constant at all places iii. The weight varies from place to place iv. The weight is constant at all places
Answer
B. Only ii and iii
100
Which of the following statements is / are true ? i. Specific gravity = Density of substance / Density of water at 4°C ii. Relative density = density of substance / density of water at 4°C
Answer
C. Both i and ii

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