Question

Match List-1 (Job requirement) with List-2 (Type of cement binder) and select the correct answer using the codes given below the lists:
List-1
A. High early strength
B. Lining for canals
C. Frost and acid resistance
D. Marine structure

List-2
1. Pozzolanic cement
2. rapid hardening cement
3. Sulphate resisting cement
4. High alumina cement

• A. A-1, B-4, C-3, D-2
• B. A-2, B-3, C-4, D-1
• C. A-1, B-3, C-4, D-2
• D. A-2, B-4, C-3, D-1

Answer 1

The correct option is B A-2, B-3, C-4, D-1

Pozzolanic cement evolves less heat during setting, therefore it is used for mass concreting like marine structures.
Rapid hardening cement attains high strength in early days.
In sulphate resisting cement the percentage of $C_{3}A$ is kept below 5% and it results in the increase in resisting power against sulphate. This cement is used for structures which are likely to be damaged by severe alkaline conditions such as canal linings, culverts, syphons, etc.
High alumina cement evolves great heat during setting. It is therefore not affected by frost and resists the action of acids in a better way.