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CMT > Module 4 > Flashcards

Module 4 Flashcards

1
Q

Give at least 10 PHYSICAL PROPERTIES

A

*Bulk density
*Porosity
*Durability
*Density
*Density index
*Specific gravity
*Fire resistance
*Frost resistance
*Water absorption
*Water permeability

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2
Q

Give at least 10 PHYSICAL PROPERTIES

A

*Bulk density
*Porosity
*Durability
*Density
*Density index
*Specific gravity
*Fire resistance
*Frost resistance
*Water absorption
*Water permeability

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3
Q

ratio of mass to the volume in its natural state including voids and pores

A

BULK DENSITY

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4
Q

gives the volume of the material occupied by pores

A

POROSITY OF BUILDING MATERIALS

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5
Q

a material to withstand against the combined action atmospheric and other factors is know as

A

DURABILITY

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6
Q

ratio of mass to its volume in homogenous state

A

DENSITY

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7
Q

A ratio of bulk density to its density is ___ gives the volume of solid matter

A

DENSITY INDEX

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8
Q

ratio of mass of given substance to the mass of water 4°C

A

SPECIFIC GRAVITY

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9
Q

ability to withstand against fire without changing its shape and other properties

A

FIRE RESISTANCE

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10
Q

ability of material to resist freezing or thawing

A

FROST RESISTANCE

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11
Q

withstand against all atmospheric actions without losing its strength and shape

A

SPALLING RESISTANCE

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12
Q

a capacity of material to absorb and retain water

A

WATER ABSORPTION

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13
Q

ability of material to permit water

A

WATER PERMEABILITY

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14
Q

dense materials like glass metals which cannot allow water through it

A

IMPERVIOUS MATERIALS

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15
Q

property of material to absorb water vapor from the air

A

HYGROSCOPICITY

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16
Q

is the ration of compressive strength of a saturated material

A

COEFFICIENT OF SOFTENING

17
Q

property of materials which cannot melts or lose its shape

A

REFRACTORNNES

18
Q

4 THERMAL PROPERTIES

A
  1. Thermal Conductivity
  2. Thermal Capacity
  3. Thermal Resistivity
  4. Specific Heat
19
Q

absorb heat and required to design proper ventilation

A

THERMAL CAPACITY

20
Q

amount of heat transferred theough unit area of specimen with unit thickness on unit time

A

THERMAL CONDUCTIVITY

21
Q

resist heat conduction. And a reciprocal of thermal conductivity

A

THERMAL RESISTIVITY

22
Q

quantity of heat required to heat 1N by 1°C

A

SPECIFIC HEAT

23
Q

quantity of heat required to heat 1N by 1°C

A

SPECIFIC HEAT

CMT (3 decks)

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