WorksheetsConcrete Quiz Questions
Total questions: 20
Worksheet time: 20mins
What are the three main ingredients in concrete?
Cement, water, gravel
Cement, aggregates, water
Sand, water, gravel
Cement, sand, stones
What does cement do in concrete?
Makes it waterproof
Keeps the water clean
Binds the materials together
Cools the mixture
What happens when you mix water with cement?
It changes color
a chemical reaction
It melts
It turns into mud
Which of the following is not a type of cement?
Ordinary Portland Cement
Quick setting cement
White lime
Crushed granite
What is the best type of water to use in concrete?
Salty water
Muddy water
Clean water
Warm water
What is the role of aggregates in concrete?
To make it smell good
To fill space and add strength
To keep the cement dry
To dissolve the water
Which of these is a natural aggregate?
Asphalt
Lightweight stone
Crushed stone
Concrete powder
What can happen if too much water is added to concrete?
It becomes very strong
It becomes hard to pour
It becomes weak
It cures faster
Which step comes last when mixing concrete?
Pouring
Curing
Measuring
Mixing
What does 'curing' concrete mean?
Letting it dry slowly to become strong
Measuring the amount of materials needed
Putting it into a mold or form
Keeping it in the sun
A concrete mix ratio of 1:1:2 is to be used to build a bridge. If the contractor has 1000 pounds of gravel, how much cement does he need?
(a)
Curing usually takes about 28 days.
True
False
Aggregates should be clean and well-graded.
True
False
The size and shape of aggregates do not matter.
True
False
Concrete can be stored for future use after mixing.
True
False
What is the chemical reaction between cement and water called?
Setting
Curing
Mixing
All of the following are disadvantages of concrete except!
cannot be stored
weak in tension
low maintenance
long curing time
What is one advantage of concrete?
can be stored
can take various shapes
long curing time
strong in tension
What are the size ranges for gravel aggregates?
64mm to 256mm
0.06mm to 2mm
2mm to 4mm
What is the name of the machine used to mix concrete?
(a)
