100 Best Building Materials- Lime MCQ
Top 100 Building Materials- Lime MCQs
Q1). The process of heating to redness in the presence of air is called __________
a).Hydraulicity
b).Setting
c).Roasting
d).Calcination
Correct Answer:
Calcination
Explanation:
Q2). Lime is obtained from the calcination of ___________
a).Lime-silica
b).Sandstone
c).Limestone
d).Lime-concrete
Correct Answer:
Limestone
Explanation:
Q3). The chemical composition of quick lime is ____________
a).CaS
b).CaO
c).MgO
d).MgS
Correct Answer:
CaO
Explanation:
Q4). Slaked lime is __________
a).Calcium oxide
b).Hydrated oxide of calcium
c).Calcium carbonate
d).Calcium silicate
Correct Answer:
Hydrated oxide of calcium
Explanation:
Q5). Acid-resistant cement and gypsum are examples of _________ materials.
a).Air binding
b).Hydraulic binding
c).Autoclave binding
d).Sound binding
Correct Answer:
Air binding
Explanation:
Q6). Which of the following is an autoclave binding material?
a).Quick lime
b).Hydraulic lime
c).Gypsum
d).Lime-silica
Correct Answer:
Lime-silica
Explanation:
Q7). In order to develop hydraulicity, it is necessary to have _________ and _________ present in chemical combination with the limestone.
a).Alumina and carbon
b).Magnesium and carbon
c).Silica and carbon
d).Alumina and silica
Correct Answer:
Alumina and silica
Explanation:
Q8). Which of the following is not a property of fat lime?
a).It readily hardens
b).The colour of fat lime is perfectly white
c).Fat lime slakes vigorously
d).Fat lime sets slowly in the presence of air
Correct Answer:
It readily hardens
Explanation: