CMT module 1-2

Question 1

These are group of materials that contains carbon as the basic element
and includes materials like timber, plastics, asphalt, bitumen, etc.

Answer 1

Organic Group

Question 2

These are group of materials that contains the siliceous materials
essentially containing silica, calcareous and argillaceous materials like clay.
Some common building materials are metals: elements like iron, copper,
etc. and alloys of different elements.

Answer 2

Inorganic Group

Question 3

These materials are categorized as solid in terms of physical form and
mostly they are used to bear loads such as stones, bricks, etc.

Answer 3

Solid Building Materials

Question 4

These are materials that binds two or materials such as cement
(siliceous), lime (calcareous), clay (argillaceous), bitumen (organic), etc.

Answer 4

Binding Materials

Question 5

These are materials that are used for decorative or finishing purposes
such as paint, varnish, distemper, etc.

Answer 5

Finishing Materials

Question 6

These are materials used for insulation purposes such as rock wool,
glass wool, expanded clays, etc.

Answer 6

Insulating Materials

Question 7

These materials are organic or ingenuous such as stones, timber,
metals, etc. which need only to be recovered and processed.

Answer 7

Naturally Occurring Material

Question 8

These materials are made out from natural materials such as plastics,
concrete, mortars, etc.

Answer 8

Manufactured Material

Question 9

are used to protect hands
against from possible injury by lifting
rough and heavy weight material,
scratching or abrasion or chemicals and
cold or heat.

Answer 9

Gloves

Question 10

is used to protect the
eyes from particulates such as water
or chemicals from striking; and from
splitting fragments of sample
materials.

Answer 10

Safety goggle

Question 11

is used
to protect the skin from
possible accidental spills
of chemicals.

Answer 11

Laboratory gown

Question 12

are used to
determine the gradation or
particle distribution of aggregates
such as sand and gravel.

Answer 12

Set of Sieves

Question 13

is used to
determine the moisture content or
water content of soils passing from
plastic to liquid state or condition.

Answer 13

Liquid Limit Device

Question 14

is used
to determine the weight of a
sample or specimen.

Answer 14

Triple Beam Balance

Question 15

is used to
determine the specific gravity of
liquids.

Answer 15

Blount Specific Gravity

Question 16

is used
to determine the soundness of
cement.

Answer 16

Le Chatelier Apparatus

Question 17

is used to
determine the setting time and
consistency of cement paste.

Answer 17

Vicat Apparatus

Question 18

is
used to determine the setting
time and consistency of cement
paste.

Answer 18

Gilmore Needle Apparatus

Question 19

are used
to determine the volume of
liquids.

Answer 19

Pycnometer Bottles

Question 20

are used in the
preparation and molding of
concrete specimen.

Answer 20

Cylindrical Molds

Question 21

is used to
determine the workability of
fresh concrete mixtures.

Answer 21

Slump Cone Apparatus

Question 22

are used to
determine the measurement of
liquids, chemicals or solutions.

Answer 22

Graduated Cylinders

Question 23

is used to prepare and
mold mortar sample to
penetration test.

Answer 23

California Bearing Ratio (CBR)
Mold

Question 24

is used to
clean coarse aggregates by
washing with water.

Answer 24

Wire Mesh Bucket

Question 25

are used to flatten, smoothing, applying or moving granular materials such as cement, sand and viscous materials such as mortar and concrete.

Answer 25

Trowels

Question 26

are used to move and transfer granular materials to containers or mixing.

Answer 26

Scoops

Question 27

are used to mix mortar or concrete for testing.

Answer 27

Mixing Pans

Question 28

is used to determine the moisture content or water content of cohesive soils.

Answer 28

Shrinkage Limit Device

Question 29

is used to determine the relationship between density and moisture content of compacted soil.

Answer 29

Proctor Compaction Test Apparatus

Question 30

are used to mold or form concrete beam for bending or flexural test.

Answer 30

Beam Molds

Question 31

is used to dig, loose, move and transfer granular materials such as cement, sand and viscous materials such as mortar and concrete.

Answer 31

Shovel

Question 32

are used to prepare and mix cement paste and mortar sample for testing.

Answer 32

Mixing Bowls

Question 33

are used to scrape viscous materials such as cement and moist soil.

Answer 33

Spatulas

Question 34

is used to determine the normal consistency or workability of cement paste or mortar.

Answer 34

Consistency Apparatus

Question 35

apparatus is used to determine the compaction factor and workability of concrete.

Answer 35

Compaction Factor Test

Question 36

is a machine used to determine the particle size analysis of granular materials and aggregates from a stack of a set of sieves.

Answer 36

Sieve Shaker

Question 37

machine is used to test cohesive materials with a granular or particle size less than 19 mm to determine the penetration strength of subgrade soil and highway subbase.

Answer 37

California Bearing Ratio (CBR)

Question 38

used for testing mortar and concrete specimens to determine the compressive strength.

Answer 38

Universal Testing Machine (UTM) for compression is a machine

Question 39

is a machine used for testing concrete specimens to determine compressive strength and steel tensile strength.

Answer 39

Universal Testing Machine (UTM) for compression and tensile

Question 40

is used to determine the degradation of the minerals or particles of aggregates.

Answer 40

Los Angeles (LA) Abrasion Machine

Question 41

is used to test and dry soils and aggregates.

Answer 41

Heavy Duty Oven

Question 42

is used for weighing large amount of materials.

Answer 42

Heavy Duty Platform Scale

Question 43

is a machine used for testing mortar and concrete specimens to determine the bending or flexural strength.

Answer 43

Universal Testing Machine (UTM) for Flexure

Question 44

is used to determine the amount of water to form a cement paste with normal consistency or degree of wetness.

Answer 44

Cement Mortar Consistency Test Machine

Question 45

is used to prepare mortar and to determine the standard consistency.

Answer 45

Mortar Flow Table Machine

Question 46

is a machine used to determine the specific gravity and water absorption of a material.

Answer 46

Specific Gravity Test

Question 47

is used to totally submerge mortar and concrete specimens in water for the strength development and durability with temperature conditions and desired moisture content.

Answer 47

Curing Tank

Question 48

is used to determine the numerical index of strength of crushed aggregates used for roads and pavements.

Answer 48

Crushing Test Machine for Aggregates

Question 49

is used to determine the relative value of the resistance of aggregates to sudden shock or impact loads.

Answer 49

Impact Testing Machine for Aggregates

Question 50

is used to determine the surface wear resistance of aggregates by continuous abrasion or scratching.

Answer 50

Dorry Abrasion Testing Machine