Building Materials
Index number expressing the relative sizes of both coarse and fine aggregates, is called

None of these
Grading of aggregates
Fineness modulus
Proportioning of aggregates

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Building Materials
Putty is

Softened by a solution of pearl ash and quick-lime soaked in water
Used for fixing glass panes
All listed here
Made with finely powdered chalk and linseed oil

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Building Materials
In the method of condensation polymerization,

All of these
The reaction proceeds with an evolution of ammonia
The reaction proceeds with an evolution of hydrogen chloride
Low-molecular substances are removed from the high molecular substance

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