WorksheetsConstruction Materials – Multiple Choice Questions
Total questions: 20
Worksheet time: 10mins
The main raw material used in manufacturing cement is
Sand
Gypsum
Clay
Limestone
The compound responsible for early strength in cement is
C4AF
C3S
C2A
C3S
The test used to determine the fineness of cement is
Soundness test
Compression test
Sieve test
Vicat test
Initial setting time of Ordinary Portland Cement should not be less than
15 minutes
20 minutes
45 minutes
30 minutes
The standard size of a modular brick is
190 × 90 × 90 mm
230 × 110 × 75 mm
180 × 90 × 90 mm
200 × 100 × 100 mm
Which brick is used for ornamental work?
Engineering brick
Burnt clay brick
Fly ash brick
Facing brick
The property of aggregate that affects concrete workability is
Hardness
Shape
Color
Strength
The maximum size of coarse aggregate commonly used in RCC work is
20 mm
40 mm
10 mm
60 mm
The test used to determine workability of concrete is
Slump test
Compression test
Abrasion test
Impact test
The ratio of water to cement by weight is called
Consistency ratio
Water–cement ratio
Cement ratio
Mix ratio
Which steel is commonly used in RCC construction?
Cast iron
HYSD bars
Stainless steel
Mild steel
The process of removing moisture from timber is known as
Polishing
Hardening
Seasoning
Preservation
Which defect in timber is caused due to fungi?
Rot
Warping
Knots
Shakes
Bitumen is primarily used in
Plastering
Flooring
Roofing
Road construction
The penetration test is conducted on
Steel
Cement
Concrete
Bitumen
The main function of paint is to
All of the above
Protect surface
Improve appearance
Increase strength
The ingredient responsible for controlling setting time of cement is
Lime
Silica
Alumina
Gypsum
Which material is most fire resistant?
Plastic
Brick
Steel
Timber
The minimum grade of concrete recommended for RCC is
M25
M10
M15
M20
The test conducted to determine hardness of aggregates is
Crushing test
Impact test
Abrasion test
Soundness test
