Compare the characteristics of sedimentary and igneous rocks and select the correct statement.

Sedimentary rocks are formed by cooling of magma; igneous rocks by deposition of sediments.

Igneous rocks often contain fossils; sedimentary rocks do not.

Sedimentary rocks are typically layered; igneous rocks are usually crystalline and non-layered.

Both sedimentary and igneous rocks form under high pressure and temperature conditions.

A construction project requires marble tiles with a compressive strength of at least 70 MPa. If a sample marble has a compressive strength of 65 MPa, what should be the best course of action?

Use the marble as it is, since 65 MPa is close enough

Reject the marble and select a stronger stone

Mix the marble with cement to increase strength

Use the marble only in non-load bearing areas

Question 1 of 15

Compare marble and limestone in terms of their suitability for use in building facades exposed to urban pollution.

You're trying 15 free practice questions. Sign up to unlock the full question bank with detailed rationales and progress tracking.

Free III Grade Overseer (Civil) Practice Questions | Kerala PSC Prep