Which factor disturbs the equilibrium of rocks, commencing metamorphism?

a) Increase in temperature

b) Decrease in temperature and pressure

c) Increase in temperature and pressure

d) Decrease in pressure

Which of the following is not a metamorphic change?

a) Calcite to schist

b) Limestone to marble

c) Shale to slate

d) Granite to gneisses

Which of the following rocks are hard and durable?

a) Argillaceous rocks

b) Siliceous rocks

c) Calcareous rocks

d) Carbonaceous rocks

Foliated structure is very common in case of:

a) Sedimentary rocks

b) Plutonic rocks

c) Igneous rocks

d) Metamorphic rocks

Granite is a type of:

a) Plutonic rock

b) Metamorphic rock

c) Hypabyssal rock

d) Volcanic rock

Which of the following is a hand tool used for quarrying?

a) Plier

b) Hammer

c) Quarrying wire

d) XSM

What is the relation between LLR (Line of Least Resistance) and amount of explosives

to be used?

a) Higher the LLR, higher the amount of explosive

b) Higher the LLR, lesser the amount of explosive

c) 10% more explosive for every 1m of LLR

d) 10% less explosive for every 1m of LLR

Which of the following is not an explosive used for blasting?

a) Gelignite

b) Gunpowder

c) Flash powder

d) Nitrocellulose

Which type of dressing does the figure below represents

a) Pitch faced dressing

b) Furrowed finish

c) Combed finish

d) Fine tooling

What is used to accelerate the process of rubbing in rubbed finish dressing?

a) Water

b) Water and sand

c) Clay

d) Pebbles

Dressing of stones is carried out to:

a) To provide employment to people

b) To make transport of stones to site easy and economic

c) To reduce water content of stone

d) To avoid further works on the stone