Concrete Technology Thermal Properties Online Exam Quiz
Concrete Technology Thermal Properties GK Quiz. Question and Answers related to Concrete Technology Thermal Properties. MCQ (Multiple Choice Questions with answers about Concrete Technology Thermal Properties
How many principal thermal properties are there for aggregates?
Options
A : 1
B : 2
C : 3
D : 4
For majority of aggregates, the coefficient of thermal expansion lies between approximately ____________
Options
A : 5.4 * 10-6 and 12.6 * 10-6 per oC
B : 10.8 * 10-6 and 16.2 * 10-6 per oC
C : 5.4 * 10-6 and 10.8 * 10-6 per oC
D : 10.8 * 10-6 and 12.6 * 10-6 per oC
For hydrated Portland cement, the coefficient of thermal expansion lies between approximately ____________
Options
A : 5.4 * 10-6 and 12.6 * 10-6 per oC
B : 10.8 * 10-6 and 16.2 * 10-6 per oC
C : 5.4 * 10-6 and 10.8 * 10-6 per oC
D : 10.8 * 10-6 and 12.6 * 10-6 per oC
The linear thermal coefficient of expansion lies between approximately ____________
Options
A : 5.4 * 10-6 and 12.6 * 10-6 per oC
B : 10.8 * 10-6 and 16.2 * 10-6 per oC
C : 5.8 * 10-6 and 14 * 10-6 per oC
D : 10.8 * 10-6 and 12.6 * 10-6 per oC
If the coefficient of thermal expansion of coarse aggregates and cement paste differs too much, then what happen?
Options
A : A small change in temperature may introduce
B : No change
C : A large change in temperature may introduce
D : A small change in pressure may introduce
Coefficient of thermal expansion of concrete is __________ coefficient of thermal expansion in aggregates.
Options
A : Directly proportional
B : Inversely proportional
C : Equal
D : More than
The coefficient of thermal expansion affects the heat resistance.
Options
A : False
B : True
C :
D :
The thermal conductivity of the aggregates is ______________
Options
A : The ability to conduct the heat
B : The ability to insulate the heat
C : Is a measure of its heat capacity
D : Same as thermal conductivity
The specific heat of the aggregates is _____________
Options
A : The ability to conduct the heat
B : The ability to insulate the heat
C : Is a measure of its heat capacity
D : Same as thermal conductivity
If the coefficient of the two materials differ by more than 5.4 * 10-6 per oC, then?
Options
A : Workability of concrete may freeze
B : Durability of concrete subjected to freezing
C : Durability of concrete subjected to boiling
D : Workability of concrete subjected to boiling
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