Concrete Technology Concrete Repair System Online Exam Quiz
Concrete Technology Concrete Repair System GK Quiz. Question and Answers related to Concrete Technology Concrete Repair System. MCQ (Multiple Choice Questions with answers about Concrete Technology Concrete Repair System
In a dry environment, concrete strength will be loosed as much as ___________ % in moist environment.
Options
A : 30
B : 40
C : 50
D : 60
Dry intervals in surface wetting leads to ___________
Options
A : Cracking
B : Fogging
C : High strength
D : Good workability
Chemically inactive pore fillers ____________ the workability.
Options
A : Decrease
B : Increase
C : Don’t affect
D : Improve
Damp proofing ____________ resist water well enough.
Options
A : Does
B : Does not
C : Doesn’t effect
D : Depends on the temperature
After finishing concrete surface must be kept ___________
Options
A : Dry
B : First dry it and then wet it
C : First wet it and then dry it
D : Wet
Concrete placed in cold weather will take ____________ time to gain strength.
Options
A : No
B : Less
C : More
D : Equal to hot weather
Chemically active pore fillers ____________ the setting of concrete.
Options
A : Retards
B : Decrease
C : Accelerates
D : No change
Air entrainment in concrete increases ____________
Options
A : Strength
B : Workability
C : The effect of temp variations
D : The unit weight
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