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.Management Sciences
Category: Building Materials and Construction
Which of the following metamorphic rocks has the most weather resisting characteristics ?
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A. marble
B. quartzite
C. slate
D. lime stone
For testing compressive strength of cement, the size of cube used is_______________?
A. 50 mm
B. 70.6 mm
C. 100 mm
D. 150 mm
The main constituent which imparts hydraulicity to hydraulic lime is______________?
A. calcium oxide
B. silica
C. clay
D. water
Which of the following stresses is used for identifying the quality of structural steel ?
A. ultimate stress
B. yield stress
C. proof stress
D. none of the above
The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as______________?
A. quarrying of stones
B. blasting of stones
C. seasoning of stones
D. dressing of stones
The percentage of alumina in a good brick earth lies between________________?
A. 5 to 10%
B. 20 to 30%
C. 50 to 60%
D. 70 to 80%
Sum of tread and rise must lie between_______________?
A. 300 to 350 mm
B. 400 to 450 mm
C. 500 to 550 mm
D. 600 to 650 mm
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