BT SPECIAL QUESTIONS AMACE

28 Days

The specified strength of concrete will be reached after how many days of curing?

Coursed Rubble

Fieldstone or roughly dressed stone with or without mortar

Slump test and cylinder compression test

The two methods for controlling consistency of concrete mixes and strength

Bricks

A masonry unit of clay formed into a rectangular prism while plastic and hardened by drying in the sun or firing a kiln

Steel

A malleable alloy of iron and carbon (combined) produced by smelting and refining of pig iron and/or scrap steel

Grout

A fluid cement mortar that will flow easily without segregation of the ingredients, used to fill narrow cavities in masonry and consolidate the adjoining materials into a solid mass

Sandblasted

A matte textured surface with no gloss as a result of a pressurized flow of sand and water

Welding

It is a fabrication process that joins materials, usually metals, or thermoplastics by causing coalescence

Wood

Which among the following materials has the best sound-absorbing qualities?

Wrought Iron

A ferrous material which is tough and ductile and is produced from pig iron in a way to remove carbon and other impurities

Galvanized Iron

 An iron coated with zinc through a process of hot-dipping to prevent rust

Retarder

An admixture which delays the setting time of concrete especially during hot weather conditions

Lugs

 Features on steel reinforcements to increase adhesion to concrete

Rubble

Rough fragments of broken stone that have at least one face good for exposure on a wall

Mortar

A mixture of cement, sand and water used as a bonding agent in masonry construction

Concrete

An artificial stone-like material made by mixing water with cement

Brass

An alloy of copper and zinc which is relatively resistant to tarnishing

Chromium

A common alloy for corrosion resistance

Plywood

It is a type of building board made of 3 or more layers of veneer joined by ____ each layer

Particle Board

It is made from hardboard from relatively small particles, graduated from coarse at the center of the board to fine at the surface to produce a smooth dense surface

Gypsum Board

A wall or ceiling board having a chalk-like material as a core clad with paper

Porcelain Tiles

A tile made with finer clay particles fired at higher temperatures to achieve a … water-resistant than ordinary tile 

Solvent

This component dissolves the paint to make it usable and workable

Primer

A base coat applied to improve the adhesion of substance

Sagging

 A paint defect which shows uneven coating due to excessive application paint on wet paint

Integral Waterproofing

This waterproofing type mixed with concrete and does not require skilled workmanship in creating a waterproof structure

Annealed Glass

A float glass which can be cut, drilled, and polished but has not been heat-strengthened and underwent a process of a controlled cooling to prevent residual stress

Tempered Glass

A type of safety glass processed by controlled thermal or chemical treatments to increase its strength by putting the outer surfaces into compression 

Isolated Footing

A single spread footing supporting freestanding column or pier

Truss

A structure composed of chords, diagonal and vertical web members to create a rigid framework

Bridging

An arrangement of braces fixed between floor joists to keep them in place and distribute the load to adjacent floor joists

Cantilever Beam

A beam supported only on one end

Flashing

Prevents water penetration and /or provide water drainage especially between a roof and wal

Gutter

A channel of metal, wood, or concrete set below and along the eaves of a building to catch and carry off rainwater from the roof

4

Class A Concrete has a mixture ratio 1:2:_?

Splice

Term which means to connect or join 2 similar materials, usually in a straight line by fastening the ends by means of mechanical connectors, welding, or wire connection

Effective Depth

The measure from the top of the concrete beam to the center of the bottom bar

75mm

Concrete cover for cast-in-place for concrete exposed to weather