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Building technology 1 > metals > Flashcards

metals Flashcards

1
Q

2 kinds of metals

A

ferrous and non-ferrous metals

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2
Q

metals that contain iron

A

ferrous metals

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3
Q

it shows a lustrous appearance when freshly prepared, polished or fractured

A

metals

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4
Q

a type of ferrous metal that is also called L-bar

A

angle bar

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5
Q

it is a steel bar shaped like an L

A

angle bar

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6
Q

it is to create support corners and outside rims

A

angle bar

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7
Q

what are the standard sizes of angle bar

A

1/2 x 1/2, 3/4, 1/4, 1x1

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8
Q

what are the various thickness of angle bar

A

1/16, 3/16, 1/8

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9
Q

what is the standard length of angle bar

A

6 meters

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10
Q

what are the types of angle bar

A

B.I, galvanized, stainless, brass bar

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11
Q

it a type of ferrous metal that is shape like an I

A

beam

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12
Q

it has 2 horizontal planes connected to the web

A

beam

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13
Q

it has a metal profile having hollow tube

A

tubular steel

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14
Q

It is hollow structural section

A

tubular steel

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15
Q

what are the common shapes of tubular steel?

A

square, rectangular, round tube, oval tube

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16
Q

what is the standard length of tubular steel?

A

6 meters

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17
Q

what are the common types of tubular steel?

A

B.I, galvanized, and stainless steel

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18
Q

it is a steel bar with surface projection

A

deformed bar

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19
Q

It increased bond strength with concrete

A

deformed bar

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20
Q

what is the standard length of deformed bar

A

6 meters

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21
Q

it is simple and secure way of tying and securing

A

G.I tie wire

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22
Q

what gauge number is commonly used in G.I tie wire?

A

gauge no. 16

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23
Q

what is the mm of gauge no 4?

A

6 mm

24
Q

what is the mm of gauge no 6?

A

5.2 mm

25
Q

what is mm the gauge no 8?

A

4.2 mm

26
Q

what is the mm of gauge no 10?

A

3.4 mm

27
Q

what is the mm of gauge no 12?

A

2.8 mm

28
Q

what is the mm of gauge no 14?

A

2.10 mm

29
Q

what is the mm of gauge no 16?

A

1.65 mm

30
Q

what is the mm of gauge no 18?

A

1.25 mm

31
Q

this type of ferrous metal is used for reinforcement

A

steel bar

32
Q

what is the standard length of steel bar

A

6 meters

33
Q

what are the common shapes of steel bar?

A

square, plain round bar, flat bar

34
Q

what are the common types of steel bar?

A

B.I, galvanized, stainless

35
Q

It is longitudinal, horizontal, structural member in a roof

A

purlins

36
Q

what are the common uses of purlins?

A

structural steel construction, and roof framing

37
Q

what are the standard length of purlins?

A

3, 4, 5, 6, 8 meters

38
Q

what are the types of purlins?

A

B.I, galvanized

39
Q

it is commonly used for roof framing, stairs, railings.

A

pipes

40
Q

what is the standard length of pipes

A

6 meters

41
Q

what are the common types of pipes?

A

B.I, galvanized, stainless

42
Q

this metal does not have iron

A

non-ferrous metals

43
Q

it is more expensive than ferrous metals

A

non-ferrous metals

44
Q

it is most widely used conductor material

A

copper

45
Q

it is an important metal due to its low weight and ease of machining

A

aluminum

46
Q

it is used as base metal for many

A

aluminum

47
Q

what are the kinds of aluminum used in window and door frames?

A

anodized, analok, powder coated

48
Q

this use of aluminum sits on top of the floor covering

A

aluminum skirting

49
Q

it is the heaviest common metal

A

lead

50
Q

it has corrosion resistant and does not react with chemicals and soft malleable

A

lead

51
Q

it is galvanizing materials with alloying elements

A

zinc

52
Q

it is resistant to rust

A

zinc

53
Q

it has the highest electrical conductivity, thermal conductor and reflectivity

A

silver

54
Q

it is soft and malleable, and corrosion resistant

A

silver

55
Q

it is the most malleable metal

A

gold

56
Q

it is ductile and corrosion resistant

A

gold

57
Q

it is light-weight, high-strength and low corrosion

A

titanium

Building technology 1 (6 decks)

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