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Building Construction Basic
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Q.1
In simple reinforced cement concrete slab flooring, it is important to provide reinforcement in both the directions when the length of the room is _________ times its width.
a) 0.5
b) 1
c) 1.5
d) 2
Q.2
Which grade of cement concrete is used in the construction of simple R.C.C. floors?
a) M15
b) M10
c) M30
d) M20
Q.3
Which type of bricks should be used in the construction of reinforced brick flooring?
a) First class bricks
b) Second class bricks
c) Third class bricks
d) Fourth class bricks
Q.4
The beams used in beam-slab flooring are known as _________
a) B-beams
b) R-beams
c) K-beams
d) T-beams
Q.5
Ribbed floors are also known as __________
a) Filler joists floors
b) R.C.C. floors
c) Hollow-tiled floors
d) Solid-tiled floors
Q.6
The clearing spacing of the ribs in ribbed flooring should not exceed ________
a) 10 cm
b) 20 cm
c) 40 cm
d) 50 cm
Q.7
In ribbed flooring, lateral ribs having the same width as that of longitudinal ribs are provided if the span exceeds ________
a) 1 cm
b) 1 m
c) 3 cm
d) 3 m
Q.8
In ribbed flooring, the depth of the rib is at least _________ with the free support.
a) L/10
b) L/20
c) L/25
d) L/30
Q.9
Which of the following about hollow-tiled floors is not true?
a) They are heavy
b) They are light in weight
c) They provide thermal insulation
d) They provide sound insulation
Q.10
_________ mortar is used to fill the joints in precast concrete floors.
a) Cement
b) Lime
c) Mud
d) Black
Q.11
Which of the following is not a type of timber floors?
a) Half joist timber floors
b) Single joist timber floors
c) Double joists timber floors
d) Triple joists timber floors
Q.12
Wooden joists provided in single joist timber floors are called as __________
a) Separating joists
b) Bridging joists
c) Binding joints
d) Breaking joists
Q.13
In single joist timber floors, the depth of the joists is calculated using the formula _______
a) Depth = (4 x spanning metres) + 5 cm
b) Depth = (5 x spanning metres) + 4 cm
c) Depth = (4 x spanning metres) + 8 cm
d) Depth = (8 x spanning metres) + 4 cm
Q.14
Which of the following is not an element of triple joists timber flooring?
a) Floorboards
b) Bridging joists
c) Separating joists
d) Girders
Q.15
B in the figure represents ________
a) Boarding
b) Wall plate
c) Bridging joist
d) Ceiling
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