Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a

Question

Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a

A. Cant

B. Deal

C. Baulk

D. Strip

Correct Answer :

C. Baulk

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Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing The correct answer is

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In brick masonry the bond produced by laying alternate headers and stretchers in each course is known as

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If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called

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Pick up the correct statement from the following:

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Pegmatite is a/an

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The initial setting time for ordinary Portland cement as per IS specifications should not be less than

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Which of the following stresses is used for identifying the quality of structural steel?

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The operation of removal of impurities or clay adhering to iron ores, is known as

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During smelting process, the combination of fuel in the furnace

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Cast iron is used for

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If the ore impurities is

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The filler used in plastic bitumen, is

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The hardest rock is

A. Marble

C. Talc

D. Quartz

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In the cement the compound quickest to react with water, is

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Pick up the correct statement from the following:

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The portion of the brick without a triangular corner equal to half the width and half the length, is called

A. Closer

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Cast iron contains carbon approximately

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The variety of pig iron used for the manufacture of steel by Bessemer process, is

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Stainless steel contains

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The kiln which may work throughout the year, is

A. Clamp

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Pick up the volcanic rock from the following:

C. Basalt

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Durability of building stone is affected by its

Discuss this answer

The steel used in R.C.C. work is

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Fibre glass

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Lime mortar is generally made with

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Good quality stones must

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The rocks formed by gradual deposition, are called

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Which of the following is the purest form of iron?

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Veneering means

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Sea sand used in structures causes

Discuss this answer

Answer 1

A. (i) and (ii)

Answer 2

B. (i) and (iv)

Answer 3

C. (ii) and (iii)

Answer 4

D. (iii) and (iv)

Answer 5

A. English bond

Answer 6

B. Double Flemish bond

Answer 7

C. Zigzag bond

Answer 8

D. Single Flemish bond

Answer 9

A. Bessemer pig

Answer 10

B. Grey or foundry pig

Answer 11

C. White or forge pig

Answer 12

D. Mottled pig

Answer 13

A. The free quartz suddenly expands at a temperature lower than 600°C

Answer 14

B. The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2

Answer 15

C. The sand stone with silicates resist a fire in a better way

Answer 16

D. All the above

Answer 17

A. Intrusive igneous rock

Answer 18

B. Extrusive igneous rock

Answer 19

C. Sedimentary rock

Answer 20

D. Metamorphic rock

Answer 21

A. 10 minutes

Answer 22

B. 30 minutes

Answer 23

C. 60 minutes

Answer 24

D. 600 minute

Answer 25

A. Ultimate stress

Answer 26

B. Yield stress

Answer 27

C. Proof stress

Answer 28

D. None of the above

Answer 29

A. Dressing

Answer 30

B. Calcination

Answer 31

C. Roasting

Answer 32

D. Smelting

Answer 33

A. Forms carbon dioxide

Answer 34

B. Carbon dioxide with carbon forms carbon mono-oxide

Answer 35

C. Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2

Answer 36

D. All the above

Answer 37

A. Structural works in beams

Answer 38

B. Small sized water pipes

Answer 39

C. Columns and struts

Answer 40

D. None to these

Answer 41

A. Clay, lime stone is used as flux

Answer 42

B. Lime stone, clay is used as flux

Answer 43

C. Quartz, lime stone and argillaceous iron ores are used as flux

Answer 44

D. All the above

Answer 45

A. Shale powder

Answer 46

B. Talc powder

Answer 47

C. Asbestos powder

Answer 48

D. Plastic powder

Answer 49

B. Diamond

Answer 50

A. Tri-calcium aluminate

Answer 51

B. Tetra-calcium alumino-ferrite

Answer 52

C. Tri-calcium silicate

Answer 53

D. Di-calcium silicate

Answer 54

A. Blistering may be cured by applying water paint finished with oil paint dried with a little copal varnish

Answer 55

B. Cracked paints may be cured by removing paint and giving a fresh coat of paint

Answer 56

C. Crawling paints may be cured by sand preparing the surface and giving a fresh coat with plenty of turps

Answer 57

D. All the above

Answer 58

B. Queen closer

Answer 59

C. King closer

Answer 60

D. Squint brick

Answer 61

A. 1.5% to 5.5%

Answer 62

B. 0.05% to 1.75%

Answer 63

C. 0.250 %

Answer 64

D. None to these

Answer 65

A. Bessemer pig

Answer 66

B. Grey pig

Answer 67

C. White forge pig

Answer 68

D. Mottled pig

Answer 69

A. 18% of chromium and 8% nickel

Answer 70

B. 8% of chromium and 18% of nickel

Answer 71

C. 12% of chromium and 36% of nickel

Answer 72

D. 36% of chromium and 12% of nickel

Answer 73

B. Bull's kiln

Answer 74

C. Hoffman's kiln

Answer 75

D. None of these

Answer 76

A. Granite

Answer 77

B. Dolerite

Answer 78

D. All the above

Answer 79

A. Chemical composition

Answer 80

B. Texture

Answer 81

C. Resistance to atmosphere

Answer 82

D. All the above

Answer 83

A. Stainless steel

Answer 84

B. Mild steel

Answer 85

C. High carbon steel

Answer 86

D. Wrought iron

Answer 87

A. Retains heat-longer

Answer 88

B. Has a higher strength to weight ratio

Answer 89

C. Is shock proof and fire retardant

Answer 90

D. All the above

Answer 91

A. Quick lime

Answer 92

B. Fat lime

Answer 93

C. Hydraulic lime

Answer 94

D. Plain lime

Answer 95

A. Be durable

Answer 96

B. Be free from clay

Answer 97

C. Resist action of acids

Answer 98

D. All the above

Answer 99

A. Sedimentary rocks

Answer 100

B. Igneous rocks

Answer 101

C. Metamorphic rocks

Answer 102

D. None of these

Answer 103

A. Cast iron

Answer 104

B. Wrought iron

Answer 105

C. Mild steel

Answer 106

D. High carbon steel

Answer 107

A. Carving out designs on timber planks

Answer 108

B. Chemically treating timber planks

Answer 109

C. Thick layer of superior wood glued to inferior wood

Answer 110

D. Thin layer of superior wood glued to inferior wood

Answer 111

A. Dampness

Answer 112

B. Efflorescence

Answer 113

C. Disintegration

Answer 114

D. All of these

Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a

Correct Answer :

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Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing The correct answer is

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