Related Questions

The solid brick shown is made of small square shaped bricks of side 1. when the large brick is disassembled into its component small bricks. the total surface area of all the small bricks is how much greater than the surface area of the large brick?
A 32
B 40
C 60
D 72
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
The method of moving each brick through a small horizontal distance before it is finally laid in any brick wall and pressing it by means of brick hammer, is known as
A Troweling
B Laying
C Grouting
D Placing
Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity.
A Low, high
B High, high
C High, low
D Low, low
The unit of retentivity is
A Weber
B Weber/sq. m
C Ampere turn/meter
D Ampere turns
The materials having low retentivity are suitable for making
A weak magnets
B temporary magnets
C permanent magnets
D none of the above
The retentivity (a property) of material is useful for the construction of
A permanent magnets
B transformers
C non-magnetic substances
D electromagnets
Number of bricks required for one cubic metre of brick masonry is
A 400
B 450
C 500
D 550
Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be
A More
B Less
C The same in both the cases
D 100%
To obtain good bonding in brick masonry
A First class bricks are used
B Vertical joints in alternate courses are kept in plumb line
C Bats are used where necessary
D All the above

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