Answer :
Final answer:
Four basic mortar types, distinguished primarily by differences in strength, cement type, and water retention.
The answer is option 1, 3 and 4
Explanation:
The type of cement used greatly influences these characteristics. The four basic types of mortar are primarily distinguished by differences in their strength, cement type, and water retention, although slight variations may also exist in color and texture. The cement type greatly influences the other characteristics, especially strength and water retention.
For example, Type M cement has a high compressive strength, whereas Type N is more flexible and has better water retention.
The answer is option 1, 3 and 4
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