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.Management Sciences
Category: Building Materials and Construction
Excess of alumina in brick earth makes the brick______________?
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A. impermeable
B. brittle and weak
C. to lose cohesion
D. to crack and warp on drying
The function of cleats in a roof truss is______________?
A. to support the common rafter
B. to support purlins
C. to prevent the purlins from tilting
D. all of the above
The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is______________?
A. less than 1
B. equal to 1
C. greater than 1
D. less than 1 in beams but greater than 1 in channels
Which of the following represents a metamorphic rock? (1) slate (2) shale (3) quartzite . The correct answer is___________?
A. only (3)
B. both (1) and (3)
C. both (2) and (3)
D. all (1), (2) and (3)
The type of flooring suitable for use in churches, theatres, public libraries and other places where noiseless floor covering is desired is____________________?
A. cork flooring
B. glass flooring
C. wooden flooring
D. linoleum flooring
Three basic raw materials which are needed in large quantities for production of steel are_______________?
A. iron ore, coal and sulphur
B. iron ore, carbon and sulphur
C. iron ore, coal and lime stone
D. iron ore, carbon and lime stone
Quartitze is a_____________?
A. silicious rock
B. argillaceous rock
C. calcareous rock
D. aqueous rock
In the construction of arches, sand box method is used for________________?
A. centring
B. actual laying of arch work
C. striking of centring
D. none of the above
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