WorksheetsBM3
Total questions: 51
Worksheet time: 26mins
Which is not a commercial length of a steel reinforcing bar?
6.0 m
7.5 m
9.0 m
10.0 m
Color code for PS Grade 275 Deformed bar
Green
Red
Yellow
Any color
What is the color code of a Grade 33 Deformed bar
Yellow
Red
Green
White
What is the equivalent diameter in millimeter of a number 5 (imperial bar size) deformed bar?
16mm
20mm
10mm
6mm
What is the weight of a 16 mm diameter deformed bar, 3.50 M length?
7.30 kg
5.52 kg
3.50 kg
7.77 kg
What is the term used for the initial coat on structural steel from the factory prior to its shipment?
Inhibiting primer
Top coat
Shop coat
Red paint
Which of the ff is not a function if an admixture?
Impart color
Retard setting
Fireproofing
Improve wear resistance
The material used to speed up the initial set of concrete is:
Admixture
Retarder
Hydrite
Sahara
This material is used to slow down the hydration of cement especially during extreme hot weather:
Admixture
Retarder
Accelerators
Concrete hardener
The categories of admixture are concrete, mortar and ________
Surface application finishes
Integral application finishes
All of the above
None of the above
What is the correct term used for plasticizing agent?
Water-proofing agents
Water-reducing agents
Water-integrating agents
Water-borne agents
An example of substances added to cement, mortars, concrete for improving or imparting particular properties are called:
Celite
Retarders
Both a and b
None of the above
What brand name is not hardener?
FLORHAND
ARTROC
METALICRON
CELITE
What is the minimum thickness of plywood forms used for columns or beams?
6 mm
½ inch
¾ inch
16 mm
Forms for concrete require a coating to prevent concrete from adhering to the wood such as:
crude oil
Laquer paint
Latex paint
Weatherproofing paint
Steel forms usually used for concrete joist construction is:
pan
Steel decking
Corrugated steel
Plain G.I. sheet
This is the mixture of sand and cement deposited under high pneumatic pressure with a machine and is used for encasing structural steel and is ideal for swimming pool construction:
Gunite
Porete
Aerocrete
Perlite
One type of processed concrete is:
Cellucrete
Aerocrete
Guncrete
Perrocrete
This is processed concrete added with lightweight aggregate:
Haydite
Porete
Gunite
Aerocrete
A built-up construction or combination of building materials as clay, concrete, or rstone set in mortar or plain concrete is known as:
Masonry
Wall
Riprap
Fence
A hallow masonry unit with two or three cells or cores made from portland cement, water, and various types of aggregates:
Concrete hollow block
Structural brick
Structural clay
Brick
Purpose of CHB cells
To make it lightweight
To make it stronger
To make it cheaper
To allow heat insulation
A two-core block made from from fiber and cement and is lightweight is called:
Jackbilt Block
Durisol Block
CHB
Ramrod Block
A generic term that refers to any of a number of cementitious substances that are applied to a surface In paste form after which it thardens into a solid material:
Gypsum
Concrete
Plaster
Mortar
This is a proportioned mixture of cement, fine aggregate and water:
Cement Mortar
Concrete
Lean Concrete
CHB
This is a mortar of cementitious material (lime, gypsum, or cement), sand and water which is applied in coats (layers) to masonry surfaces, lath or various types of plaster board to give a hand finish surface to interior or exterior walls and ceilings:
Plasterette
Plaster
Cement Mortar
Scratchcoat
These types of brick have smooth outer surface with a dull satin or high gloss finish, are load bearing, fire resisting, and impervious and are usually formed with vertical hollow cores through the body with scouring on the back:
Glazed Brick
Structural Brick
Common Brick
Fire Brick
A kind of brick used for high temperature
Fly-ash brick
Thermal brick
Firebrick
Cinder Block
Standard size of a common brick
3 3/4 x 2 1/2 x 8”
3 1/4 x 2 1/2 x 8”
3 x 2 1/2 x 8”
3 1/8 x 2 1/2 x 8”
Together with wood and clay, also one of the basic building materials of man:
Stone
Soil
Brick
Cement
Which among the following is not a classification of stone?
Igneous Rock
Obsidian Rock
Metamorphic Rock
Sedimentary Rock
Igneous rock is formed by the crystallization of:
Shale
Molten magma
Sediments
Volcanic ash
A stone that is cut into a specific size, 2 feet or more in length and squared to dimension and to a specific thickness is:
Rubble stone
Dimension stone
Stone veneer
Brick
Stone delivered from the quarries in rough and irregular shape that has at least one good face for exposure in wall is called:
Dimension stone
Rubble stone
Stone veneer
Ashlar
This is a type of metamorphic rock, characterized by its vein structure, which is actually a recrystallized limestone used for facades, floors and walls:
Marble
Travertine
Argilite
Sandstone
It is also known as gypsum partition blocks, are usually made of gypsum, vegetable fibers as binders and reinforcement, It is used for lightweight, fire-resistance interior partitions and for furring and fireproofing columns:
Plaster Block
Clay Block
Shale Block
Mortar Block
Steel bars used for reinforcement of concrete are:
Structural steel bars
Billet steel bars
Zee bars
Tee bars
What is the standard weight of a 25 mm diameter hot-rolled weldable deformed or plain steel bar per meter length?
343 kilos
3.853 kilos
4.833 kilos
2.466 kilos
What is the standard weight of a 16 mm diameter hot-rolled weldable deformed or plain steel bar per meter length?
1.578 kilos
0.888 kilos
1.872 kilos
2.466 kilos
Brand name for lath is:
Z-rib
Steelcrete
Hyrib
Porete
These are narrow thin strips of wood or metal used as a building materials supporting structures for plaster, shingles or tiles:
Expanded metal laths
Gypsum laths
Metal straps
Gypsum laths and expanded metal laths
What metal is made with chromium or a combination of nickel and chromium or a combination of nickel and chromium used in buildings for exterior wall panels, frames for doors, expansion joints, flashing, copings, fascia and gravel stops?
Aluminum
Steel
Stainless Steels
Chromium
What is a steel element such as wire, cable, bar, rod, or strand or a bundle of such elements, used to impart prestress to concrete?
Tenon cable
Pre-stressing cables
Tendons
Reinforcements
A commercially pure iron of fibrous nature, valued for its corrosion resistance and ductility is
Wrought iron
Cast iron
Black iron
Pig iron
An iron alloy usually including carbon and silicon which has high compressive strength but low tensile strength is
Wrought iron
Cast iron
Black iron
Pig iron
Made with chromium or a combination of nickel and chromium used in buildings for exterior wall panels, frames for doors, expansion joints, flashings, copings, fascia and gravel stops.
Alloy steels
Stainless steel
Nickel steel
Manganese steel
A ferrous metal that offers great resistance to abrassion and finds important use in the cutting edges of heavy digging tools is a
Alloy steels
Weathering steel
Nickel steel
Manganese steel
The metal that has the highest electrical and thermal conductivity and is ductile, malleable and non- magnetic is:
Tin
Lead
Copper
Aluminum
Standard gauge of tie wires?
Ga 16
Ga 18
Ga 20
Ga 22
One kilo of tie wire is equivalent to how many meters?
45
53
35
48
A composition of two or more metals fused together usually to obtain a desired property
Annealing
Alloy
Built-up
Welded
