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GAI Stage 1 > Block 1 > Flashcards

Block 1 Flashcards

1
Q

Is a rim lock handed

A

YES

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2
Q

Accoring to ANSI handing method, from which side of the door is handing determined

A

The side from which it is locked

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3
Q

What does ISO stand for

A

International Standards Organisation

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4
Q

Which country does DIN method of handing orginate from?

A

Germany

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5
Q

Is single action floor spring mechansim handed

A

No

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6
Q

Is an overhead door closer handed

A

No

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7
Q

Is a mortice dead lock handed

A

No

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8
Q

Is a lift off hinge handed

A

Yes

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9
Q

Is a cupboard lock handed

A

Yes

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10
Q

Are euro profile mortice sash locks with reversible latch bolts handed?

A

No

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11
Q

Is there a global standardisation amongst door hardware manufacteres, for the way they apply hannging to products

A

No

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12
Q

What do the initials ANSi stand for?

A

American National Standards Institute

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13
Q

Are handing, universel and double handed terms the same?

A

Yes

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14
Q

A door is hung hinged on the right and opens away from them. Is this ISO 5 or 6

A

6

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15
Q

The door is hung on the right viewed from inside opening inwards. Whivh ISO is this?

A

5

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16
Q

Is ISO 5, clockwise or anti clockwise

A

Clockwise

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17
Q

Is ISO 6, clockwise or anti clockwise

A

Anti clockwise

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18
Q

Are counter flap hinges handed?

A

No

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19
Q

Is a cylinder rim night latch with reversible bolt handed?

A

No

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20
Q

Is a straight grab rail with face fixed roses handed?

A

No

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21
Q

Is a cylinder rim night latch with Non-reversible bolts handed?

A

Yes

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22
Q

Are rising butt hinges handed?

A

Yes

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23
Q

Falling butt hinges allow the cubical door to remain open when not in use. True or false

A

True

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24
Q

What is the base material of a hinge without further treatment called?

A

Self-colour

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25
Q

Is a standard ball bearing hinge measured open or closed?

A

Open

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26
Q

Conductor hinges may be either 12 or 24v DC. True or false.

A

True

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27
Q

How do you measure a parliment hinge?

A

Height x between the legs x width fully open

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28
Q

Hinges manufactered from extruded sections are usually available in what finishes?

A

Brass and aluminium

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29
Q

EN 1935:2002 is a harmonised standard under the construction product registration therefore products must be either CE/UKCA/UKNI marker. True or false?

A

True

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30
Q

Which annex of BS EN 1935 provides requirements for hinges for use on burgular-resistant doors

A

C

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31
Q

True or false. BS EN 1935 recommends that a maximum of two hinges are fitted to a self-closing door, one at the top and the other 1/3 away from the top of hinge.

A

False

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32
Q

What is the recommended minimum door length of a screw to be used when fitting hinges for use on a fire/smoke control door?

A

32mm

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33
Q

True or False. Annex F of BS EN 1935 recommends regular inspection and maintenance of hinges especially those fitted to door on escape routes.

A

True

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34
Q

Which of the following hinge drill posititons would be recommended by a door manufacterer mass producing metal door?

A

Template

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35
Q

Which metal is most likely to be used in manufacture of antique door furniture?

A

Malleable iron

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36
Q

Which material is made from… Iron and carbon?

A

Steel

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37
Q

Which material is made from copper and zinc?

A

Brass

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38
Q

Which material is made from Copper and Tin?

A

Bronze

39
Q

Which material is made from copper, tin and phosphorous?

A

Phosphorous Bronze

40
Q

Which material is made from copper, tin, zinc and lead?

A

Gun metal

41
Q

Which material is made from Zinc, aluminium, magnesium and copper?

A

Zinc alloy

42
Q

Which material is made from Copper, nickel and Zinc?

A

Nickel brass

43
Q

True and False, carbon and copper are the most common elements in earth that are used in manufacture of Arctectural ironmongery?

A

False

44
Q

Which grade of stainless steel is most suitable in locations with extreme weather conditions?

A

Grade 316

45
Q

What is the main constituuent of a ferrous metal?

A

Iron

46
Q

When using dissimilar metals the corrosion rate will accelerate, especially in the presence of moisture. What is this process known as?

A

Bi-metalic corrosion

47
Q

Is copper a non-ferrous metal?

A

Yes

48
Q

Is cast iron a non-ferrous metal?

A

No

49
Q

Is steel a non-ferrous metal

A

No

50
Q

Is brass a non-ferrous metal?

A

Yes

51
Q

Is Zinc Alloy a non-ferrous metal?

A

Yes

52
Q

Is malleable iron a non-ferrous metal?

A

No

53
Q

The process of restoring structural and chemical equilibrium of a metal by heating to a suitable temperature for a predetermined time and then allowing it to cool slowly, is know as what?

A

Annealing

54
Q

The natural oxidation of copper, which ia often dark green in colour, is called what?

A

Patina

55
Q

True or false, PVD is a finishing process which is suitable for an industrial environment?

A

True

56
Q

Why is no surface decorative layer required on most plastics?

A

The colour is constant throughout the material

57
Q

What cleaning materials would you recommend on unlacquered brass door furniture?

A

Period light wash in warm soapy water then dried with a sodr cloth. Polished from time to time.

58
Q

What are the benefits of pressure die casting?

A

Good details and surface finish at a high rate of production, economical to produce in large numbers, high dimensional accurancy

59
Q

Can Thermoplastic moulding be re used?

A

Yes

60
Q

Can thermosetting be re used and reclaimed?

A

No

61
Q

Which of the following processes is required in order that steel hinge flaps can be electro-plated?

A

Degreasing

62
Q

True or false, aluminium is a metal that will not rust?

A

True

63
Q

What is handing?

A

This relates to the direction in which the door travels when it is in use

64
Q

What are thw disadvantages of wrong handing?

A

Causes delays and possible extra costs

65
Q

What does ISO stand for?

A

The international Standards Organisation

66
Q

Is ISO 5 clockwise or anti clockwise

A

Clockwise

67
Q

Is ISO 6 clockwise or anti clockwise?

A

Anti-clockwise

68
Q

What does DIN stand for?

A

Deutsches Institut Fur Normung

69
Q

What does ANSI stand for?

A

American National Standards Institute

70
Q

What are the key parts of a hinge?

A

Two flaps, knuckles, hinge pin, holes for the screw fixings

71
Q

What is the gap between the door and door frame?

A

3mm

72
Q

Which metala can be pressed and roll formed in hinges?

A

Steel, stainless steel and brass

73
Q

Materials that are usually Extruded?

A

Brass and Alumium

74
Q

Material that is injection moulded?

A

Plastics and nylon

75
Q

Materals that are cast?

A

Iron and Brass

76
Q

What is a called when a hinge uses the base material with no furthwr treatment?

A

Self colour

77
Q

What are hinge bolts (dog bolts)?

A

A security stud is mouted on hinge flap and a matching aperture is pierced in the other flap.

78
Q

What are institutional or hpspital tips, anti ligature?

A

This is radius tipped at the hinge tip, and knuckpe in order to prevent a patient or inmate from attempting self-imposing injury or possible hanging

79
Q

Types of screw patterns in Hinges?

A

Zig Zag, template and Straight line

80
Q

Which standard is used for template hinged with the screw holes?

A

ANSI 156.7 (American National Standards Institute)

81
Q

Best hinge posititon on a door recommended by BS EN 1935?

A

Two hinges at the top of the door and one hinge at the bottom of the door

82
Q

How far do rising butt hinges rise when opened at 90 degress?

A

Around 6 mm

83
Q

Which hinges are commonly knows as Soss?

A

Concealed hinges

84
Q

What is the maximuk voltage a conductor hinge can hold?

A

24v

85
Q

How far do projection/broad hinges open?

A

180 degrees

86
Q

Why is the knuckle smaller in parliment hinges?

A

For asthetic reasons

87
Q

What is the function of a swing clear hinge?

A

The swing clear hinge ensures the frame clears the door. Good for people using wheelchairs

88
Q

What standard specifies requires for single axis hinges?

A

BS EN 1935

89
Q

BS EN 1935 Annexes, what is annex B

A

Requirements for hinges intended for use on fire/smoke control doors assemblies
No hinge shouod have a melting point below 800oC
If closed a hinges shouldnt be able to be removed without a special pin

90
Q

BS EN 1935 Annexes, what is annex C

A

Hinges for burgluar resistant doors
Hinged are required to be grade 12,13 14. Grades 13 and 14 most cases

91
Q

BS EN 1935 Annexes, what is annex D

A

Use of doors of excess width

92
Q

BS EN 1935 Annexes, what is annex E

A

Application on doors fitted with door closers

93
Q

BS EN 1935 Annexes, what is annex F

A

The maintance of hinges

GAI Stage 1 (6 decks)

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