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.Management Sciences
Category: Building Materials and Construction
Which of the following sedimentary rocks changes into quartzite by metamorphic action ?
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A. sand stone
B. lime stone
C. shale
D. gypsum
Addition of pozzolana to ordinary Portland cement increases__________________?
A. bleeding
B. shrinkage
C. permeability
D. heat of hydration
The lower edge of the pitched roof, from where the rain water of the roof surface drops down, is known as______________?
A. hip
B. gable
C. ridge
D. eaves
Crushing strength of a first class brick should not be less than_____________?
A. 3.5 N/mm2
B. 7.0 N/mm2
C. 10.5 N/mm2
D. 14.0 N/mm2
The frog of the brick in a brick masonry is generally kept on______________?
A. bottom face
B. top face
C. shorter side
D. longer side
Higher pitch of the roof (1) results in stronger roof (2) results in weaker roof (3) requires more covering material (4) requires less covering material The correct answer is___________?
A. (1) and (3)
B. (1) and (4)
C. (2) and (3)
D. (2) and (4)
The type of pile which is driven at an inclination to resist inclined forces is known as______________?
A. friction pile
B. sheet pile
C. batter pile
D. anchor pile
The pressure acting on the stones in stone masonry construction should be_____________?
A. along the direction of bedding planes
B. at 45° to the direction of bedding planes
C. at 60° to the direction of bedding planes
D. perpendicular to the direction of bedding planes
The age of a tree can be known by examining_________________?
A. cambium layer
B. annular rings
C. medullary rays
D. heart wood
The type of roof which slopes in two directions with a break in the slope on each side is known as_____________?
A. gable roof
B. hip roof
C. gambrel roof
D. mansard roof
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