WorksheetsRoof
Total questions: 78
Worksheet time: 39mins
Name
Class
Date
1.
Length of common rafter in a tiled roofing, when the rise of roof is 1/3 span is :
a)
0.45 eave span
b)
0.50 eave span
c)
0.55 eave span
d)
0.60 eave span
2.
In queen post truss the number of vertical post are
a)
1
b)
3
c)
2
d)
4
3.
The usual rise of tiled roof shall be __________ of span
a)
1 / 3
b)
2 / 3
c)
1 / 4
d)
1 / 6
4.
What is the brick size used in Madras terrace roof?
a)
10 x 60 x 20 cms
b)
12 x 65 x 20 cms
c)
18 x 80 x 25 cms
d)
15 x 75 x 25 cms
5.
What is the Brick Bat concrete thickness generally adopted for Madras terrace roof?
a)
125 mm
b)
100 mm
c)
75 mm
d)
60 mm
6.
What is the centre-to-centre distance of battens in Bengal Terrace roof?
a)
15 cm
b)
20 cm
c)
25 cm
d)
30 cm
7.
How many days are recommended to set the concrete generally in Madras Terrace roof?
a)
2
b)
3
c)
4
d)
5
8.
The maximum span of lean to roof is __________ meters.
a)
2.4m
b)
2.6m
c)
2.1m
d)
None of these
9.
What is the centre-to-centre distance of rafters in Bengal Terrace roof?
a)
20 cm
b)
30 cm
c)
40 cm
d)
50 cm
10.
The coupled roof is suitable for span upto
a)
3.5 m
b)
5 m
c)
6.5 m
d)
8 m
11.
Maximum span of couple close roof is
a)
3.6 m
b)
4.6 m
c)
2.5 m
d)
4.2 m
12.
In the case of asbestos cement sheets, the unsupported length of overhanging at the eaves of the sheet should not exceed __________
a)
300 mm
b)
100 mm
c)
200 mm
d)
250 mm
13.
Lower pitch of mansard truss varies from :
a)
30⁰ to 40⁰
b)
60⁰ to 70⁰
c)
60⁰ to 80⁰
d)
15⁰ to 20⁰
14.
What percentage of cement is mixed with asbestos fibers in the manufacture of AC sheet ?
a)
5 %
b)
15 %
c)
30 %
d)
45 %
15.
How much surface slope is provided in Bengal Terrace roof?
a)
5 to 7 cm
b)
8 to 10 cm
c)
13 to 15 cm
d)
18 to 20 cm
16.
A king post truss is suitable for the span :
a)
5 to 8 m
b)
12 to 15 m
c)
8 to 12 m
d)
2.5 to 5 m
17.
What is the economical span for collar beam roof?
a)
5.5 m
b)
5.0 m
c)
4.7 m
d)
4.3 m
18.
What is the maximum slope given to the flat roof?
a)
5°
b)
6°
c)
8°
d)
10°
19.
Number of mangalore tiles required for covering one square meter of roof area is
a)
50
b)
16
c)
40
d)
25
20.
The overlapping distance recommended for asbestos cement sheet roofing, along the length of the sheet is
a)
50 cm
b)
30 cm
c)
15 cm
d)
40 cm
21.
Queen post trusses are used when the span is :
a)
8 - 12 m
b)
5 - 8 m
c)
< 5 m
d)
> 5 m
22.
Pitch of flat roof is
a)
90°
b)
30°
c)
45°
d)
None of these
23.
Ties are load carrying members of a frame which are subjected to :
a)
Axial tension load
b)
Transverse load
c)
Axial compression load
d)
Torsion load
24.
Which roof is useful that is provided on circular brick?
a)
Barrel vault shell roof
b)
Steel frame dome
c)
Belfast roof
d)
Bowstring roof
25.
The member which support the roofing material of a tiled roof is :
a)
Battens
b)
Post
c)
Purlin
d)
Struts
26.
The roof truss to be used when a room is required to be provided in the roof is
a)
Belfast roof truss
b)
Scissors truss
c)
French truss
d)
Truncated roof truss
27.
The habitable space on the roof of the building with or without toilet facilities
a)
Cellar
b)
Canopy
c)
Barsati
d)
Alcove
28.
In order to reduce the size of rafters intermediate supports are introduced for rafters which are known as
a)
Collar beam
b)
Tie beam
c)
Purlin
d)
None of these
29.
The rafters which are provided at the junction of two roof slope is called
a)
Common rafter
b)
Jack rafter
c)
Hip rafter
d)
Principal rafter
30.
The simplest type of sloping roof in which rafters slope to one side only can be called as
a)
Couple roof
b)
Couple close roof
c)
Lean to roof
d)
Collar beam roof
31.
A sloping roof is known as __________ roof
a)
Curved roof
b)
Flat roof
c)
Pitched roof
d)
Lean - to - roof
32.
The roof provided for veranda is __________
a)
Deck roof
b)
Hip roof
c)
Lean to roof
d)
Gable roof
33.
A roof has slop in all the four directions, like hip roof and a plane surface formed at the top will be :
a)
Deck roof
b)
Hip roof
c)
Gambrel roof
d)
Mansard roof
34.
The lower end of a hip rafter is generally supported on a diagonal piece of wood
a)
Dragon beam
b)
Dragon tie
c)
Angle tie
d)
All of these
35.
The horizontal timber piece provided at the apex of a truss called
a)
Eave
b)
Hip
c)
Gable
d)
Ridge
36.
What is termed as the inclination of roof?
a)
Eaves
b)
Pitch
c)
Hip
d)
Gable
37.
In village the material used for covering the pitched roof is
a)
G I sheets
b)
Country tiles
c)
A c sheets
d)
Thatch
38.
The triangular upper part of a wall formed the end of pitched roof is called :
a)
Gable
b)
Valley
c)
Hip
d)
Eaves
39.
Cavity walls are provided at
a)
Gable
b)
Truss
c)
Barge board
d)
None of these
40.
The triangular sloping roof surface formed at the end of pitched roof is known as
a)
Gabled end
b)
Ridge
c)
Hipped end
d)
Eaves
41.
The roof slopes in the four directions, but each slope has a break is :
a)
Gambrel roof
b)
Deck roof
c)
Mansard roof
d)
Hip roof
42.
A rafter shorter than the common rafter is known as
a)
Hip Rafter
b)
Jack Rafter
c)
Common Rafter
d)
Principal Rafter
43.
Pick up the incorrect statement from the following
a)
In a queen post truss, two vertical posts are used
b)
In a king post truss, one vertical posts are used
c)
In a queen post truss, one vertical post is used
d)
Brick is building material
44.
Name the joint is commonly used in wooden trusses at the junction of struts and king post.
a)
Joggle joint
b)
Housing joint
c)
Bridle joint
d)
mortise and tenon joint
45.
The inclined braces used in a truss to prevent the sagging of the principal rafters are called :
a)
King post
b)
Tie beam
c)
Queen post
d)
Strut
46.
The coping provided at the foot of the gable wall is known as a
a)
Kneeler
b)
Springer
c)
Label
d)
Stooling
47.
Which roof is economically suitable for spans upto 4.2 m ?
a)
Lean to roof
b)
Couple roof
c)
Couple close roof
d)
Collar beam roof
48.
This is a common type of sloping roof which slope in two direction :
a)
Lean to roof
b)
Gable roof
c)
Hip roof
d)
Mansard roof
49.
A pitched roof which slops in all the four directions is called
a)
Lean to roof
b)
Hip roof
c)
Curved roof
d)
Purlin roof
50.
The type of roof which slopes in two directions with a break in the slope on each side is called
a)
Mansard roof
b)
Gable roof
c)
Hip roof
d)
Gambrel roof
51.
The number of verticals posts in a King post truss is
a)
Nil
b)
Three
c)
Two
d)
One
52.
The simplest type of sloping roof which rafters slop to one side only
a)
Pent roof
b)
Couple roof
c)
Collar beam roof
d)
Couple close roof
53.
Ties : strut is
a)
Pier:purlin
b)
Angle:tee
c)
Tension:compression
d)
Roller support:hinge
54.
Lower edge of the inclined roof surface is called
a)
Pitch
b)
Eaves
c)
Cleat
d)
Gable
55.
The vertical distance between the wall plate and top of the ridge is called :
a)
Pitch
b)
Headroom
c)
Rise
d)
Span
56.
Slab or sheet of wood used to cover the roof is known as
a)
Plate
b)
Planks
c)
Slate
d)
Shingle
57.
Wooden plank on which roof covering is fixed :
a)
Purlin
b)
Hip
c)
Rafter
d)
Battens
58.
A member subjected to tensile stresses is known as
a)
Purlin
b)
Strut
c)
Tie
d)
Cleat
59.
The outermost compression member of a truss is known as :
a)
Purlin
b)
Strut
c)
Common rafter
d)
Principal rafter
60.
The member which is placed horizontally to support common rafter of a sloping roof, it is called
a)
Purlin
b)
Cleat
c)
Batten
d)
Strut
61.
Compression members are generally called
a)
Purlins
b)
Piers
c)
Ties
d)
Strut
62.
The type of truss used for spans varying from 5 - 8 m is
a)
Queen post
b)
King post
c)
Mansard
d)
Composite
63.
The horizontal wooden member at the apex of the roof supporting the common rafter is
a)
Ridge piece
b)
Purlin
c)
Batten
d)
Cleat
64.
A mansard truss is :
a)
Similar to king post truss
b)
Similar to queen post truss
c)
combination of queen post and king post truss
d)
Collar roof
65.
This truss is in the form of a bow
a)
Steel truss
b)
Truncated truss
c)
latticed roof truss
d)
mansard truss
66.
In queen post truss, the top of vertical posts are connected by a horizontal member are called :
a)
Straining beam
b)
T - beam
c)
Tie beam
d)
Collar beam
67.
A king post truss consists of two longer inclined member known as
a)
Struts
b)
Principal rafter
c)
King post
d)
Beam
68.
In the king post truss there is a central vertical member joining with the tie beam, this joint is strengthened by
a)
Struts
b)
M S Strap
c)
Jib and cotter arrangement
d)
Purlin and cleat
69.
A short section of wood or steel which are fixed on the principal rafters of trusses to support the purlin is
a)
Template
b)
Post plate
c)
Cleat
d)
Wall plates
70.
Tie beam is a
a)
Tension member
b)
Compression member
c)
Anchor member
d)
None of these
71.
Rafters are bird's mouthed over the wall plates. Why ?
a)
To make the roof more stronger
b)
To prevent their slipping
c)
To brace the whole truss
d)
To support the king post
72.
A two storey truss with upper portion consisting of the king post truss and lower portion of queen post truss
a)
Truncated truss
b)
Composite truss
c)
Mansard truss
d)
Bell - fast truss
73.
Which truss consists of wooden member and steel or wrought iron member?
a)
Truncated truss
b)
Composite truss
c)
Compound truss
d)
King and queen post truss
74.
Which truss consists of thin timber section at its top chord curved?
a)
Truncated truss
b)
King post truss
c)
Belfast truss
d)
Mansard roof truss
75.
The ridge formed by the intersection of two sloped surface having an exterior angle greater than 180 degree is
a)
Valley
b)
Gable
c)
Hip
d)
Eave
76.
Which rafter support extends from eaves to ridge?
a)
Valley rafter
b)
Ridge rafter
c)
Common rafter
d)
Principle rafter
77.
What is the edge of roof running between the eaves and ridge?
a)
Verge
b)
Cleat
c)
Template
d)
Purlin
78.
Apex line of sloping roof is called :
a)
Verge
b)
Rise
c)
Hip
d)
Ridge
100 %
