Concrete Technology Admixtures Online Exam Quiz
Concrete Technology Admixtures GK Quiz. Question and Answers related to Concrete Technology Admixtures. MCQ (Multiple Choice Questions with answers about Concrete Technology Admixtures
Classification of admixtures are classified into ________ types.
Options
A : 1
B : 2
C : 3
D : 5
Super plasticizers reduce water requirement by ___________ %.
Options
A : 12-30
B : 10-15
C : 30-42
D : 48
Mid-range water reducers result in at least _________ %.
Options
A : 2
B : 4
C : 6
D : 8
What is the main function of set retarders?
Options
A : Increase curing rate
B : Slows curing rate
C : Improves workability at low w/c ratio
D : Speeds up start of finishing operations
What do you mean by admixtures?
Options
A : Ingredients which are added to in cement before or after concrete mix
B : Ingredients which are added to make aggregates healthier
C : Ingredients added in cement to make it shinier
D : Ingredients added in concrete to make good workability
Which of the following option doesn’t come in chemical admixtures?
Options
A : Plasticizers
B : Pozzolanic
C : Super plasticizer
D : Accelerators
Admixtures which cause early setting, and hardening of concrete are called __________
Options
A : Plasticizers
B : Retarders
C : Super plasticizer
D : Accelerators
Which of the following option doesn’t come in mineral admixtures?
Options
A : Set retarders
B : Blast Furnace Slag
C : Flyash
D : Silica Fume
Which of the following statement is incorrect about the function of admixtures?
Options
A : To accelerate the initial set of concrete, to speed up the rate of development of strength at early ages
B : To enhance the workability
C : To reduce the segregation in grout and concrete mixers
D : To retard the initial set, to keep concrete workable for a shorter time for placement
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