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Building Materials

Building Materials
As per IS specifications, the maximum final setting time for ordinary Portland cement should be

10 hours
30 minutes
6 hours
1 hour

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Building Materials
For testing compressive strength of cement, the size of cube used is

70.6 mm
150 mm
50 mm
100 mm

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Building Materials
Pick up the compound responsible for early strength of cement from the following:

Tri-calcium silicate
Di-calcium silicate
Tetra-calcium alumino-ferrite
Tri-calcium aluminate

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Building Materials
A volatile substance added to a paint to make its application easy and smooth, is known as

None to these
Vehicle
Solvent
Base

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Building Materials
Gypsum is a

Igneous rock
Mechanically formed sedimentary rock
Chemically precipitated sedimentary rock
Metamorphic rock

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Building Materials
Soundness of cement is tested by

None of these
Vicat's apparatus
Compressive strength testing apparatus
Le-chatelier apparatus

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