WorksheetsConcrete Testing: Slump and Strength
Total questions: 10
Worksheet time: 5mins
Which piece of equipment is primarily used to perform the concrete slump test?
Cube mould
Slump cone (Abrams cone)
Compression testing machine
Flow table
What is the standard height of the slump cone used in the concrete slump test?
150 mm
200 mm
300 mm
450 mm
During the slump test, how is the slump of the concrete measured?
By weighing the concrete after compaction
By measuring the decrease in height of the concrete after removing the cone
By timing how long it takes to set
By measuring the temperature of the mix
Which of the following is NOT a factor that affects the slump of concrete?
Water-cement ratio
Aggregate size and shape
Ambient temperature
Colour of cement
What is the typical curing period for concrete cubes before testing their compressive strength in the UK?
1 day
3 days
7 days
28 days
What is the minimum compressive strength requirement for M25 grade concrete after 28 days, as per British standards?
15 N/mm 2
20 N/mm 2
25 N/mm 2
30 N/mm 2
Which of the following best describes the main application of the slump test results?
To determine the final strength of concrete
To assess the workability and consistency of fresh concrete
To measure the durability of hardened concrete
To calculate the cost of concrete mix
If a concrete mix shows a very high slump, what is the most likely implication?
The mix is too dry and unworkable
The mix has excessive water and may segregate
The mix will have higher strength
The mix is suitable for road kerbs
Why are concrete cubes tested for compressive strength?
To check the colour uniformity of concrete
To ensure the concrete meets the required structural strength
To measure the temperature of the mix
To determine the setting time
Which of the following is a correct application of cube test results in construction?
Deciding the type of aggregate to use
Approving the concrete batch for structural use
Measuring the workability of fresh concrete
Determining the curing temperature
