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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Building Construction knowledge and support exam preparation. Choose a topic below to get started.
1. |
Fat lime is also called _________ |
A. | Water lime |
B. | Pure lime |
C. | Impure lime |
D. | Lean lime |
Answer» C. Impure lime | |
2. |
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 |
Answer» B. The colour of fat lime is perfectly white | |
3. |
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 |
Answer» E. | |
4. |
Kankar is an impure limestone while white chalk is pure limestone. |
A. | True |
B. | False |
Answer» B. False | |
5. |
Which of the following is an autoclave binding material? |
A. | Quick lime |
B. | Hydraulic lime |
C. | Gypsum |
D. | Lime-silica |
Answer» E. | |
6. |
Acid-resistant cement and gypsum are examples of _________ materials. |
A. | Air binding |
B. | Hydraulic binding |
C. | Autoclave binding |
D. | Sound binding |
Answer» B. Hydraulic binding | |
7. |
Slaked lime is __________ |
A. | Calcium oxide |
B. | Hydrated oxide of calcium |
C. | Calcium carbonate |
D. | Calcium silicate |
Answer» C. Calcium carbonate | |
8. |
The chemical composition of quick lime is ____________ |
A. | CaS |
B. | CaO |
C. | MgO |
D. | MgS |
Answer» C. MgO | |
9. |
Lime is obtained from the calcination of ___________ |
A. | Lime-silica |
B. | Sandstone |
C. | Limestone |
D. | Lime-concrete |
Answer» D. Lime-concrete | |
10. |
The process of heating to redness in the presence of air is called __________ |
A. | Hydraulicity |
B. | Setting |
C. | Roasting |
D. | Calcination |
Answer» E. | |