A. 0.43 d
B. 0.537 d
C. 0.68 d
D. 0.85 d
A. basalt
B. granite
C. quartz
D. syenite
A. mechanically formed sedimentary rock
B. igneous rock
C. chemically precipitated sedimentary rock
D. metamorphic rock
A. quartz
B. mica
C. gypsum
D. none of the above
A. arches
B. rubble masonry
C. roads
D. retaining walls
A. shale
B. lime stone
C. sand stone
D. granite
A. marble
B. lime stone
C. compact sand stone
D. granite
A. Maintaining the desired quality
B. Exceeding the desired quality
C. Continuously improving the quality
D. Following the quality
A. quartz
B. feldspar
C. mica
D. none of the above
A. testing of stones
B. quarrying of stones
C. dressing of stones
D. none of the above