Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CPI FINALS > CERAMIC INDUSTRY > Flashcards

CERAMIC INDUSTRY Flashcards

1
Q

ONE OF THE MAIN TYPE OF MATERIALS USED IN THE
DIFFERENT FIELDS OF ENGINEERING ALONGSIDE METAL POLYMER AND COMPOSITE MATERIALS.

A

CERAMICS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A COMPOUND THAT PRIMARILY CONSIST OF METALLIC AND NONMETALLIC ELEMENTS.

A

CERAMICS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

SOMETIMES ALSO CALLED THE CLAY PRODUCTS
OR SILICATE INDUSTRIES.

A

CERAMIC INDUSTRIES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

ALWAYS HAVE SILICATES AS THEIR FINISHED
MATERIAL IN A VARIETY OF PRODUCTIONS.

A

CERAMIC INDUSTRY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

THE OLDEST KNOWN CERAMIC ARTIFACT IS
DATED AS EARLY AS 28,000 BC, DURING THE

A

LATE PALEOLITHIC PERIOD (CAVEMAN)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

OLDEST KNOWN CERAMIC ARTIFACT

A

STATUETTE OF A WOMAN NAMED VENUS OF DOLNI VESTONICE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

IN THIS LOCATION (CZECH REPUBLIC),
HUNDREDS OF CLAY FIGURINES
REPRESENTING________ WERE
ALSO UNCOVERED NEAR THE REMAINS OF A
HORSESHOE-SHAPED KILN.

A

ICE AGE ANIMALS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

DATING BACK TO
15,000 B.C. WHAT WERE ALSO FOUND AND
RECORDED.

A

BURNT CLAYWARES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

-WHO BECAME
ENGAGED IN THE ART OF CERAMICS 10
CENTURIES LATER (5000 B.C.)

A

CHINESE AND THE EGYPTIANS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

ART OF CERAMICS BECAME A HOBBY FOR

A

AMERICAN MEN AND WOMEN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

MUSEUMS NOWADAYS CONTAIN
CERAMIC MATERIALS, AS A

A

RECORD OF MAN’S CULTURE,

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

MANY SIGNIFICANT NEW
DEVELOPMENTS HAVE TAKEN PLACE IN

A

1920

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

(RESISTANT
TO THE CHANGES IN THE TEMPERATURE),

A

PURE OXIDE REFRACTORIES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

EXAMPLE OF PURE OXIDE REFRACTORY

A

ALUMINUM OXIDE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

1925 THE PRODUCTION OF COMMON BRICKS REACHED

A

7.6B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

IN 1924, FACE BRICKS ATTAINED HOW MUCH?

A

2.5 B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

TOP 6 CHIEF MANUFACTURING STATES FOR CERAMIC INDUSTRIES

A

OHIO
PENNSYLVANIA
NEW HERSEY
WEST VIRGINIA
CALIFORNIA
MISSOURI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

THREE MAIN RAW MATERIALS FOR CERAMIC
INDUSTRY:

A

CLAY
FELDSPAR (SPAR)
SAND (FLINT)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

IMPURE HYDRATED ALUMINUM
SILICATES THAT HAVE RESULTED FROM THE
WEATHERING OF IGNEOUS ROCKS

A

CLAY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

ARE PRODUCED THROUGH THE
HYDROLYSIS OF WEATHERING REACTIONS
OF IGNEOUS ROCKS

A

CLAY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

CLAY VARIES DEPENDING ON THE
CONTENT OF THE CLAY MINERAL.

A

TRUE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

THE DIFFERENT CLAY MINERALS

A

KAOLINITE 122 WHITE
BEIDELLITE 131 YELLOWISH
MONTMORILLONITE 141 PINKISH
HALLOYSITE 123 BLUISH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

ARE PLASTIC AND MOLDABLE WHEN SUFFICIENTLY FINELY PULVERIZED.

A

CLAY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

WHEN CLAY IS BEING AIR-DRIED.

A

WET, RIGID

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

CLAY WHEN FIRED AT A SUITABLY HIGH TEMPERATURE.

A

VITREOUS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

SAME CLAY BODIES “MATURE” AT DIFFERENT TEMPERATURES

A

FALSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

A TERM USED TO IDENTIFY THAT AT A SPECIFIC TEMPERATURE, CLAY CAN BE
FORMULATED TO PRODUCE NEW PRODUCTS.

A

MATURE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

THE HIGHER A
CLAY BODY IS DESIGNED TO FIRE, THE MORE VITREOUS IT IS.

A

TRUE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

A VITREOUS CLAY IS MORE RESISTANT TO WATER ABSORPTION, WHICH IN TURN
CAN PREVENT DEFECTS AND CRACKING FROM HAPPENING.

A

TRUE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

IS A PROPERTY OF CLAY THAT ALLOWS IT TO CHANGE ITS SHAPE WITHOUT
RUPTURING EVEN AFTER PUTTING A GREATER AMOUNT OF FORCE .

A

PLASTICITY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

THE MOST BASIC CLAY MINERAL USED IN THE
CERAMIC INDUSTRY

A

KAOLINITE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

IT IS THE MOST
ABUNNDANT CLAY MINERAL OF ALL DIFFERENT TYPES
(WIDELY USED IN POTTERY AS WELL).

A

KAOLINITE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

ARE BASED ON
MONTMORILLONITE CLAYS, THEY ARE USED TO SOME
EXTENT WHERE VERY HIGH PLASTICITY IS DESIRED.

A

BENTONITE CLAYS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

CLAYS DONT VARY AND HAVE A LOT OF IMPURITIES PRESENT.

A

FALSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

WAY FOR US TO INCREASE THE CONTENT OF CLAY MINERALS IN
CLAYS

A

BENEFICIATION

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

INCREASE CONTENT OF CLAY MINERALS WHILE DECREASING THE CONTENT OF QUARTZ

A

BENEFICIATION

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

ALSO HELPS TO ACHIEVE THE REQUIRED
PARTICULAR SIZE AND SIZE DISTRIBUTION OF RAW MATERIALS.

A

BENEFICITION

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

MAJORITY OF THE PROCESS OF BENEFICIATION OF CLAY CONSISTS OF
UNIT OPERATIONS

A

TRUE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

SIZE SEPARATION IS DONE BY

A

SCREENING OR SELECTIVE SETTLING FILTRATION OR DRYING

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

ARE ADDED AS THE APPROPRIATE
ADDITIONAL AGENTS USED TO CONTROL THE COLLOIDAL PROPERTIES OF
CLAY.

A

SODIUM SILICATE AND ALUMINUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

A GROUP OF ALUMINOSILICATE MINERALS
THAT ALSO CONTAINS CALCIUM, SODIUM
AND POTASSIUM.

A

FELDSPAR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

MAKES UP MORE THAN HALF OF THE EARTH’S
CRUST.

A

FELDSPAR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

MOST COMMON MINERAL IN THE EARTH’S
CRUST.

A

FELDSPAR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

THE 3 COMMON TYPES OF FELDSPAR USED IN THE
CERAMIC INDUSTRY.

A

POTASH
SODA
LIME OR ANORTHITE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

MOST COMMON TYPE OF FELSPAR

A

POTASH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

IS OF GREAT IMPORTANCE AS A FLUXING CONSTITUENT IN CERAMIC
FORMULAS

A

FELDSPAR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

THE PRESENCE OF FLUXES TENDS TO LOWER THE TEMPERATURE OF THE FORMATION
OF MULLITE AND INCREASES THE ATTAINMENT OF THE
EQUILIBRIUM CONDITIONS DURING THE MANUFACTURING PROCESS.

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

(FORMS WHEN CLAY MINERALS ARE IN CONTANCT WITH EACH OTHER
AND UNDERGOES METAMORPHISM)

A

mullite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

fluxing agent

A

feldspar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

PROMOTES VITRIFICATION/ INCREASES THE
VITREOUS PROPERTY OF CLAY.

A

fluxing agent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

PROMOTES VITRIFICATION/ INCREASES THE
VITREOUS PROPERTY OF CLAY.

A

fluxing agent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

AS it MELTS AT LOWER TEMPERATURES, IT FORMS A GLASSY PHASE
CONDITION WHICH BONDS THE CERAMIC BODY AND FORMS THE BASIS OF THE CERAMIC
MATERIAL.

A

GLAZE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

A TYPE OF MINERAL THAT NATURALLY CONSIST OF SILICA/ QUARTZ OR SIO2.

A

SAND

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

A SAND WITH______ SHOULD BE CHOSEN FOR THE
MANUFACTURING OF LIGHT-COLORED CERAMIC PRODUCTS.

A

A LOW IRON CONTENT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

FUSIBILITY OF KAOLINITE AND QUARTZ

A

REFRACTORY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

FUSIBILITY OF FELDSPAR

A

EASILY FUSIBLE BINDER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

HEATING TO FIRING
TEMPERATURES.
THESE TEMPERATURES MAY BE AS LOW
AS ____ TO AS HIGH AS ___

A

700°C
1300 TO 1400 C.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

DEHYDRATION IS ALSO CALLED

A

CHEMICAL WATER SMOKING

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

DEHYDRATION TEMPERATURE

A

150 TO 650

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

CALCINATION TEMP

A

600 TO 900

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

OXIDATION OF FERROUS IRON AND ORGANIC MATTER

A

350 TO 900

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

SILICATE FORMATION TEMP

A

900 AND ABOVE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

THE DEGREE OF REFRACTORINESS
OF A GIVEN PRODUCT IS DETERMINED BY THE
RELATIVE QUANTITIES OF ___________

A

REFRACTORY
OXIDES AND FLUXING OXIDES.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

THE PRINCIPAL REFRACTORY OXIDES:

A

SIO2, AL2O3, CAO, MGO , ZRO2, TIO2,
CR2O3, BEO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

THE PRINCIPAL FLUXING OXIDES:

A

NA2O,
K2O, B2O3, SNO2 AND SOME FLUORIDES.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

THE MOST ESSENTIAL INGREDIENT OF
ALL MATERIALS IS

A

CLAY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

BYPRODUCTS FROM HYDRATION OF CLAY

A

AMORPHOUS MIXTURE
OF ALUMINA AND SILICA.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

A LARGE PROPORTION OF THE ALUMINA CAN
BE EXTRACTED WITH ________ AT THIS STAGE.

A

HYDROCHLORIC ACID

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

AS THE TEMPERATURE OF THE
AMORPHOUS ALUMINA (KAOLIN)
CHANGES TO 940 C, IT FORMS A
CRYSTALLINE FORM CALLED

A

“GAMMA
ALUMINA”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

AT ABOUT 1000 C, THE ALUMINA AND
SILICA COMBINE TO FORM

A

MULLITE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

AS THE TEMPERATURE EXCEEDS TO MORE
THAN 1000 C, THE MULLITE IS
CONVERTED TO A CRYSTALLINE FORM
CALLED

A

CRISTOBALITE

72
Q

VARIOUS SILICATES AND ALUMINATES OF CALCIUM, MAGNESIUM, AND
POSSIBLY THE ALKALI METALS MIGHT BE PRESENT IN THE FINAL CERAMIC PRODUCT

A

TRUE

73
Q

THE VITREOUS PHASE IMPARTS DESIRABLE PROPERTIES TO SOME
CERAMIC BODIES, LIKE

A

ACTING AS A BOND
IMPART TRANSLUCENCY IN CHINAWARE

74
Q

THE DEGREE
OF VITRIFICATION DEPENDS UPON
THE FOLLOWING FACTORS:

A

RELATIVE AMOUNTS OF REFRACTORY
AND FLUXING OXIDES IN THE
COMPOSITION
THE TEMPERATURE
THE TIME OF HEATING

75
Q

VARYING AMOUNT OF FLUXES, HEAT MODERATELY HIGH AND VARYING VITRIFICATION

A

WHITEWARES

76
Q

ABUNDANT FLUXES, HEAT AT LOW TEMP, LITTLE VITIRFICATION

A

HEAVY CLAY PRODUCTS

77
Q

LITTLE FLUXES, HIGH HEAT TEMP, LITTLE VITIRFIcation

A

refractories

78
Q

moderate flux, heat at high temp, complete vitri

A

glass

79
Q

very abundant flux, heat at moderate, complete vitri

A

enamels

80
Q

TERM FOR CERAMIC
PRODUCTS WHICH ARE USUALLY WHITE
AND OF FINE TEXTURE.

A

whitewares

81
Q

SELECTED GRADES OF CLAY
BONDED TOGETHER WITH VARYING
AMOUNTS OF FLUXES.

A

whitewares

82
Q

SOMETIMES CALLED SEMI-VITREOUS DINNERWARE, WHICH ARE POROUS AND
NON-TRANSLUCENT WITH A SOFT GLAZE.

A

earthware

83
Q

VITRIFIED TRANSLUCENT WARE WITH A MEDIUM GLAZE THAT CAN RESIST
ABRASION TO A DEGREE AND USED FOR NONTECHNICAL purposes

A

chinaware

84
Q

VITRIFIED
TRANSLUCENT WARE WITH A HARD GLAZE, AND CAN RESIST ABRASION TO
THE MAXIMUM DEGREE.

A

porcelain

85
Q

FORMERLY MADE FROM CLAY, USUALLY POROUS; HENCE, HAS VITREOUS
COMPOSITION, PREFIRED AND SIZED VITREOUS GROG IS SOMETIMES INCLUDED
WITH THE TRIAXIAL COMPOSITION.

A

sanitary ware

86
Q

ONE OF THE OLDEST OF CERAMIC WARES, WAS IN USE LONG BEFORE
PORCELAIN WAS DEVELOPED, REGARDED AS A CRUDE PORCELAIN MADE FROM
A POORER GRADE OF NOT CAREFULLY FABRICATED RAW MATERIALS.

A

stoneware

87
Q

CLASSIFIED AS FLOOR TILES, RESISTANT TO ABRASION, IMPERVIOUS TO
STAIN PENETRATIO, MAY BE GLAZED OR UNGLAZED, ALSO USED AS WALL TILES
WHICH HAVE A HARD, PERMANENT SURFACE AND COME IN A VARIETY OF COLORS
AND TEXTURES.

A

whiteware tiles

87
Q

CLASSIFIED AS FLOOR TILES, RESISTANT TO ABRASION, IMPERVIOUS TO
STAIN PENETRATIO, MAY BE GLAZED OR UNGLAZED, ALSO USED AS WALL TILES
WHICH HAVE A HARD, PERMANENT SURFACE AND COME IN A VARIETY OF COLORS
AND TEXTURES.

A

whiteware tiles

88
Q

USED FOR PRODUCTION OF FINE-GRAINED

HIGHLY GLAZED INSULATORS FOR HIGH-
VOLTAGE SERVICE.

A

wet process porcelain

89
Q

PROCESS EMPLOYED FOR RAPID PRODUCTION
OF MORE OPEN-TEXTURED LOW-VOLTAGE
PIECES.

A

dry process porce

90
Q

NECESSARY FOR THE MAKING OF PIECES THAT
ARE EITHER TOO LARGE OR TOO INTRICATE
FOR THE OTHER TWO METHODS.

A

cast porce

91
Q

THE PRODUCTION OF TABLEWARE CONSISTS
OF MORE COMPLICATED PROCEDURES THAN
THE PRODUCTION OF PORCELAIN.

A

true

92
Q

porcelain are shaped by

A

throwing on the pooter’s wheel
cast from the cast slip

93
Q

MASS PRODUCTION OF SIMPLE ROUND OBJECTS LIKE
CUPS, SAUCERS, OR PLATES, IS CARRIED OUT
ECONOMICALLY BY

A

jigging

94
Q

THE PLASTIC CLAY IS
PRESSED INTO OR ON A SINGLE REVOLVING MOLD.

A

jigging

95
Q

THE PROCESS OF VITRIFICATION FOR THE PRODUCTION
OF PORCELAIN IS DONE THROUGH A

A

one fire process

96
Q

the only unit process in the production of porce

A

(vitirification)

97
Q

IS ALWAYS IMPORTANT IN THE
PRODUCTION OF WHITEWARES.

A

glazing

98
Q

IS A THIN COATING OF GLASS THAT
IS MELTED AND IS APPLIED THE SURFACE OF
THE POROUS CERAMIC WARE.

A

glaze

99
Q

glazing naturally contains two ingre.

A

refractory mat and fluxes

100
Q

IS THE TECHNICAL TERM FOR THE FIRING OF
THE GLAZE INSIDE THE KILN.

A

glost firing

101
Q

LARGE SHAPES SHOULD BE PACKED IN THE
CENTER OF THE KILN TO AVOID UNEVEN
HEATING AND SHOULD BE FIRED MORE
SLOWLY THAN SMALL ONES.

A

true

102
Q

earthenware should be glazed between

A

1050 and 1100

103
Q

stoneware should be glazed between

A

1250 and 1300

104
Q

LOW-COST BUT VERY DURABLE PRODUCTS.

A

heavy clay products

105
Q

BRICK, FACE BRICK, TERRA COTTA,
SEWER PIPE, AND DRAIN TILE, ARE FREQUENTLY
MANUFACTURED FROM THE

A

CHEAPEST OF
COMMON CLAYS WITH OR WITHOUT ANY
GLAZING.

106
Q

PROCESS OF GLAZING IN SEWER PIPE
AND DRAIN TILE BY THROWING SALT UPON
THE KILN FIRE FOR IT TO REACT AND FORM THE
FUSIBLE COATING OR THE GLAZE.

A

salt glaze

107
Q

ONE OF THE MOST IMPORTANT OF CLAY
PRODUCTS IS THE

A

building brick

108
Q

ARE THE STANDARD BRICK TYPE AND THE
MOST ABUNDANTLY USED BUILDING
MATERIAL IN MODERN CONSTRUCTION.

A

common bricks

109
Q

TENDS TO HAVE A MORE AESTHETICALLY
PLEASING APPEARANCE IN COMPARISON
WITH A COMMON BRIC, AS THEY ARE MORE
UNIFORM IN COLOR AND SMOOTHER IN
TEXTURE THAN THE COMMON BRICK.

A

face brick

110
Q

(MOST USED CLAY FOR BOTH
COMMON AND FACE BRICK)

A

red burning clay

111
Q

THree RAW MATERIALS FOR BUILDING BRICKS

A

red
white
budd

112
Q

FREEDOM FROM WARPING, ABSENCE OF SOLUBLE SALTS,
SUFFICIENT HARDNESS WHEN BURNED AT A MODERATE
TEMPERATURE, AND GENERAL UNIFORMITY IN COLOR
UPON BURNING.

A

face brick

113
Q

CONSIST OF MOLDING THE CLAY MIXTURE CONTAINING 20 TO 30 PERCENT WATER IN
MOLDS COATED WITH A THIN LAYER OF EITHER SAND OR WATER TO PREVENT STICKING.

A

SOFT-MUD PROCEDURE

114
Q

USUALLY MUCH EMPLOYED FOR FIREBRICK AND IS THE ANCIENT METHOD FOR MAKING
BUILDING BRICKS.

A

SOFT-MUD PROCEDURE

115
Q

THE CLAY IS JUST WET ENOUGH (12 TO 15 PER CENT) TO STICK TOGETHER WHEN WORKING.
THE CLAY IS FORCED OUT THROUGH A DIE IN A SCREW OR AUGER MACHINE (DRILLER)

A

STIFF-MUD PROCEDURE

116
Q

THE WATER CONTENT IS FROM 4 TO 7 PERCENT (USUALLY THE “AS-IS” CONDITION) WHICH
MAKES THE CLAY RELATIVELY NONPLASTIC.

A

dry process

117
Q

THE BRICK UNIT in dry process IS MOLDED AT PRESSURES AROUND

A

5 TONS PER SQ.

118
Q

THE GREATER PERCENTAGE OF CLAY WARE IS MADE BY

A

STIFF-MUD PROCESS.

119
Q

THE PROCESS OF REMOVING AIR FROM THE PUG MILL.

A

de-airing

120
Q

NOT ONLY ENSURES A MORE UNIFORM SHAPE BUT OVERCOMES THE
INTERNAL STRESSES SET UP BY THE EXTRUSION IN THE SCREW.

A

repressing

121
Q

THESE MOLDED BRICKS MAY BE STACKED_____ FT. HIGH WITHOUT DAMAGE BEFORE BEING
DRIED.

A

6 TO 10

122
Q

REFER TO MATERIALS
WHICH ARE USED TO WITHSTAND THE
THERMAL, CHEMICAL, AND PHYSICAL
EFFECTS THAT ARE PRESENT IN FURNACE
PROCEDURES.

A

REFRACTORIES

123
Q

REFRACTORIES CAN BE LABELED AS

A

ACID, BASIC,
AND NEUTRAL.

124
Q

SEVERAL TYPES OF REFRACTORIES ARE REQUIRED FOR THE
CONSTRUCTION OF A _______

A

SINGLE FURNACE,

125
Q

SILICA BRICKS ARE

A

ACID

126
Q

-MAGNESITE BRICKS ARE

A

STRONGLY BASIC

127
Q

-FIRE-CLAY BRICKS

A

NEUTRAL GROUP

128
Q

-IT IS USUALLY UNADVISABLE TO EMPLOY AN ACID BRICK IN CONTACT WITH
AN ALKALINE PRODUCT OR VICE VERSA

A

TRUE

129
Q

THE QUALITY OR DEGREE OF HAVING MINUTE SPACES OR HOLES THROUGH WHICH
LIQUID OR AIR MAY PASS.

A

POROSITY

130
Q

HIGHER THE POROSITY OF THE BRICK THE MORE EASILY IT IS
PENETRATED BY MOLTEN FLUXES AND GASSES.

A

TRUE

131
Q

-FOR A GIVEN CLASS OF BRICK, THOSE WITH THE LOWEST POROSITY HAVE THE
GREATEST STRENGTH, THERMAL CONDUCTIVITY, AND HEAT CAPACITY

A

TRUE

132
Q

THE POINT WHERE THE MOLECULES HOLDING THEIR BONDS TOGETHER BREAK APART
AND FORM A LIQUID.

A

FUSION POINT OR MELTING POINT

133
Q

IT MEASURE HEAT-WORK, THE EFFECT OF TIME, AND
TEMPERATURE.

A

PYROMETRIC CONES

134
Q

A FRACTURING OF A REFRACTORY BRICK OR BLOCK DUE TO UNEVEN HEAT
STRESSES OR COMPRESSION CAUSED BY HEAT.

A

SPALLING

135
Q

-REFRACTORIES USUALLY EXPAND WHEN HEATED

A

TRUE

136
Q

-THOSE THAT UNDERGO THE GREATEST EXPANSION AT THE
LEAST UNIFORM RATE ARE MOST SUSCEPTIBLE TO SPALLING
WHEN SUBJECTED TO RAPID COOLING AND HEATING

A

TRUE

137
Q

RESISTANCE TO ABRASION OR EROSION

A

STRENGTH

138
Q

USUALLY ONLY HAS A SLIGHT BEARING ON
STRENGTH AT HIGH TEMPERATURES.

A

COLD STRENGTH

139
Q

THE COMPRESSIVE OR FLEXURAL STRENGTH
DETERMINED PRIOR TO FIRING.

A

COLD STRENGTH:

140
Q

BRICKS WITH THE LOWEST THERMAL EXPANSION AND COARSEST
TEXTURE ARE THE MOST RESISTANT TO RAPID THERMAL CHANGES AND
DEVELOP LESS STRAIN.

A

TRUE

141
Q

-THE DENSEST AND LEAST POROUS BRICKS HAVE THE HIGHEST
THERMAL CONDUCTIVITY

A

TRUE

142
Q

FURNACE HEAT CAPACITY DEPENDS UPON THE FOLLOWING PROPERTIES OF THE REFRACTORY:

A

A) THE THERMAL CONDUCTIVITY,
B) THE SPECIFIC HEAT,
C) THE SPECIFIC GRAVITY

143
Q

THE LOW QUANTITY OF HEAT ABSORBED BY LIGHTWEIGHT BRICK WORKS AS AN
ADVANTAGE WHEN FURNACES ARE OPERATED INTERMITTENTLY,

A

TRUE

144
Q

-USUALLY, THE MOST IMPORTANT SINGLE PROPERTY TO PRODUCE IN
MANUFACTURE IS ,

A

HIGH BULK DENSITY

145
Q

FOR INSULATING REFRACTORIES, A POROUS STRUCTURE IS REQUIRED, WHICH MEANS
LOW DENSITY.

A

TRUE

146
Q

A MIXTURE IN WHICH THE PROPORTION OF COARSE AND FINE
PARTICLES IS ABOUT

A

55: 45,

147
Q

REAL FUNCTION OF MIXING IS THE DISTRIBUTION OF THE PLASTIC MATERIAL
SO AS TO THOROUGHLY COAT THE NONPLASTIC CONSTITUENTS.

A

TRUE

148
Q

A METHOD THAT IS PARTICULARLY SUITED FOR BATCHES THAT CONSISTS
PRIMARILY OF NONPLASTIC MATERIALS.

A

DRY-PRESS METHOD OF MOLDING

149
Q

IS USED TO REMOVE THE MOISTURE ADDED BEFORE MOLDING TO
DEVELOP PLASTICITY.

A

DRYING

150
Q

-THE ELIMINATION OF WATER LEAVES VOIDS AND CAUSES HIGH SHRINKAGE
AND INTERNAL STRAINS.

A

TRUE

151
Q

-TWO IMPORTANT THINGS TAKE PLACE DURING BURNING:

A

THE DEVELOPMENT OF A PERMANENT BOND BY PARTIAL VITRIFICATION OF
THE MIX,
2) THE DEVELOPMENT OF STABLE MINERAL FORMS FOR FUTURE SERVICE,

152
Q

CHANGES THAT TAKE PLACE DURING BURNING ARE

A

HYDRATION
CALCINATION
OXIDATION

153
Q

DURING BURNING, VOLUME MAY SHRINK AS MUCH AS HOW MANY PERCENT?

A

30
PERCENT

154
Q

THIS
SHRINKAGE MAY BE ELIMINATED DURING BURNING BY _________

A

PRESTABILIZATION OF THE MATERIALS USED.

155
Q

PERCENTAGE OF NON BASIC REFRACTORIES

A

95%

156
Q

ARE THE MOST WIDELY USED OF ALL AVAILABLE REFRACTORY MATERIALS,
SINCE THEY ARE WELL SUITED FOR A VARIETY OF APPLICATIONS.

A

FIRECLAY

157
Q

ARE THE LARGEST CONSUMERS OF REFRACTORIES FOR THE
LININGS OF BLAST FURNACES, STOVES, OPEN HEARTHS, AND OTHER FURNACES.

A

STEEL INDUSTRIES

158
Q

CONTAINS APPROXIMATELY 95 TO 96% SIO2 AND ABOUT 2% LIME
ADDED DURING GRINDING TO FURNISH THE BOND.

A

SILICA BRICK

159
Q

THEY HAVE A VERY HOMOGENEOUS TEXTURE, ARE FREE FROM AIR
POCKETS AND MOLDING DEFECTS, AND POSSESS LOW POROSITY.

A

SILICA BRICK

160
Q

THE IMPORTANT BASIC BRICKS ARE MADE FROM
MAGNESIA. CHROMITE. AND FORSTERITE.

A

TRUE

161
Q

ARE MADE FROM DOMESTIC MAGNESITES OR MAGNESIA
EXTRACTED FROM BRINES

A

-MAGNESIA REFRACTORIES

162
Q

THE MOST STABLE SILICATE AT HIGH TEMPERATURES.

A

FORSTERITE,

163
Q

ARE MADE FROM NATURALLY
POROUS DIATOMACEOUS EARTH,

A

BACKING REFRACTORY BRICKS

164
Q

, ARE SIMILAR IN COMPOSITION TO HEAVY BRICKS AND
OWE THEIR INSULATING VALUE TO THE METHOD OF MANUFACTURE.

A

LIGHTWEIGHT REFRACTORIES

165
Q

KNOWN TO HAVE GOOD:
-ALKALI CORROSION RESISTANCE,
-RESISTANCE TO THERMAL LOAD CAN WITHSTAND UP TO 1400C
-OXIDATION RESISTANCE,
-WEAR RESISTANCE,
-HIGH THERMAL CONDUCTIVITY,
-THERMAL SHOCK RESISTANCE
- EXTREMELY LOW ELECTRICAL CONDUCTIVITY.
-ABRASION AND SPALLING.

A

SILICON CARBIDE

166
Q

SILICON CARBIDE’S ABILITY TO ABSORB AND RELEASE HEAT RAPIDLY AND THEIR RESISTANCE TO
SPALLING UNDER REPEATED TEMPERATURE CHANGES MAKE THEM DESIRABLE FOR
_____________

A

RECUPERATORS.

167
Q

-LIGHT WEIGHT (REDUCE FURNACE LOAD AND EXTEND FURNACE LIFE);
-LOW HEAT CAPACITY (LESS HEAT ABSORPTION AND RAPID TEMPERATURE RISE);
-LOW THERMAL CONDUCTIVITY (LESS HEAT LOSS);
-SIMPLE CONSTRUCTION (NO NEED TO LEAVE EXPANSION JOINTS);
-WIDE RANGE OF USE;
-THERMAL SHOCK RESISTANCE;
-RESISTANCE TO MECHANICAL VIBRATION (WITH FLEXIBILITY AND ELASTICITY);
-GOOD SOUND INSULATION PERFORMANCE (REDUCE NOISE POLLUTION);

A

ALUMINUM SILICATE

168
Q

ALSO KNOWN AS “PORCELAIN
ENAMEL”

A

VITREOUS ENAMEL

169
Q

IS A SMOOTH, GLASSY, AND
DURABLE SURFACE THAT IS FUSED AT
TEMPERATURES HIGHER THAN 800 C

A

VITREOUS ENAMEL

170
Q

THE VITREOUS ENAMEL PROCESS STARTS
WITH SMALL PIECES OF GLASS CALLED

A

“FRIT”

171
Q

COLOURED OXIDE IS ALSO CALLED ?

A

(PIGMENT)

172
Q

ACTS AS THE
GRINDING AND MIXING
MECHANISM IN VITEROUS ENAMEL PRODUCTION UNTIL THE ENAMEL REACHES A LIQUID STATE

A

ROTATING BARREL

173
Q

THIS LIQUID ENAMEL
COATING CAN THEN BE APPLIED TO
A SUBSTRATE SUCH AS

A

STEEL AND CAST IRON

174
Q

TO CREATE A SMOOTH FINISH IN COATING OF ENAMEL TO A SUBSTRATE, USE WHAT?

A

A SPRAY GUN

CPI FINALS (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions