A. hard
B. tough
C. heavy
D. light
A. marble
B. quartzite
C. slate
D. lime stone
A. hardness test
B. work ability test
C. weight test
D. toughness test
A. it can not be polished
B. it is not a fire proof material
C. it is costly
D. it has less crushing strength
A. quarrying of stones
B. blasting of stones
C. seasoning of stones
D. dressing of stones
A. basalt and marble are the only metamorphic rocks
B. there is no sedimentary rock
C. granite is the only igneous rock
D. quartz and mica are minerals
A. granite
B. sand stone
C. lime stone
D. quartzite
A. 1.5 to 2.0
B. 2.0 to 2.5
C. 2.5 to 3.0
D. 3.0 to 3.5
A. cutting soft stones
B. cutting hard stones
C. cutting large blocks of stones
D. dressing stones
A. 50 MPa
B. 100 MPa
C. 150 MPa
D. 200 MPa