Doors & Ironmongery

Question 1

What is the thickness of an internal wooden door?

Answer 1

34mm

Question 2

What is the thickness of an external wooden door?

Answer 2

44mm

Question 3

What is the thickness of an half hour fire door?

Answer 3

44mm

Question 4

What is the thickness of an hour fire door?

Answer 4

54mm

Question 5

Why are the arrises removed from the edge of the door when fitting?

Answer 5

Removes sharp edges and allows paint to bond.

Question 6

What clearance gap is left around an internal wooden door?

Answer 6

2mm

Question 7

What clearance gap is left around an external wooden door?

Answer 7

ANS: 3 - 4mm

Question 8

At what position are the hinges positioned on a wooden door?

Answer 8

ANS: 150mm from top, 225mm from bottom of the door.

Question 9

At what height is a tubular latch fitted to a wooden door?

Answer 9

ANS: 990mm from bottom of door to spindle hole.

Question 10

At what height is a sash mortice lock fitted to a wooden door?

Answer 10

990mm from bottom of door to spindle hole.

Question 11

At what height is a night latch fitted to a wooden door?

Answer 11

ANS: 1200 – 1500mm from bottom of door.

Question 12

At what 3 positions could a letter plate be fitted to a wooden door?

Answer 12

ANS: Mid rail, bottom rail or stile of door.

Question 13

What ironmongery should be fitted to a fire resisting door?

Answer 13

ANS: Door closer

Question 14

State the hand tools required to recess hinges to a door?

Answer 14

ANS: Tape measure, marking gauge, pencil, Marking knife, chisel & mallet/hammer.

Question 15

What ironmongery should be fitted to a fire escape door?

Answer 15

ANS: A panic bar

Question 16

What two adjustments can be found on an over-head door closer?

Answer 16

Closing speed & latching

Question 17

What size hinges are fitted to an internal wooden door?

Answer 17

ANS: 75mm.

Question 18

What size hinges are fitted to an external wooden door?

Answer 18

ANS: 100mm

Question 19

What is the reason for not using steel hinges and screws to an oak hardwood external door?

Answer 19

The acid in the oak reacts with steel ironmongery and it corrodes and stains the timber black.

Question 20

What visual safety checks should be carried out on a router before using it to recess hinges on a door?

Answer 20

Check cable/battery and body of tool for damage.

Question 21

State 4 functions of an external door?

Answer 21

Access, thermal barrier, weather protection, sound barrier or security.

Question 22

Where would a rim lock be fitted on a door?

Answer 22

To the face of the door.

Question 23

If the door specification states that 1 ½ pairs of hinges are to be fitted, how many hinges is this?

Answer 23

3 hinges.

Question 24

On what type of door would you find a lock block?

Answer 24

A flush door.

Question 25

How would you know which edge of a flush door the latch/lock would be fitted?

Answer 25

There is an indication mark on the top of the door.

Question 26

What type of door would have an intumescent strip fitted?

Answer 26

A fire resisting door.

Question 27

In what type of location would you find a boarded, ledged and braced door?

Answer 27

A garden gate, garage, out house or shed.

Question 28

What is the purpose of the brace in a door?

Answer 28

Prevents the door dropping.

Question 29

If a wooden door is to open 180 degrees and clear the frame, what type of hinges should be used?

Answer 29

Parliament hinges.

Question 30

If a door needs to clear the carpet as it opens it should be fitted with what type of hinge?

Answer 30

Rising butt hinge.

Question 31

What is the purpose of a dead lock?

Answer 31

Added security

Question 32

List 3 different types of material that an external door can be made from?

Answer 32

Hardwood, softwood, aluminium, UPVC or composite.

Question 33

What visual safety check should be carried out on an electric planer before using to fit a door?

Answer 33

Check cable/battery and body of tool for damage and guards working properly.

Question 34

State 3 different finishes found on ironmongery?

Answer 34

Brushed aluminium, satin chrome, mat brass, bright chrome, bright brass, black.

Question 35

How should a door be protected from other trades once fitted?

Answer 35

Covered with polythene sleeve or dust sheet.

Question 36

What PPE should be worn when operating an electric router to recess hinges?

Answer 36

Eye, ear protection, dust mask or extractor attached.

Question 37

What PPE should be worn when operating an electric planer when fitting a door?

Answer 37

Eye & ear protection.

Question 38

The sides of a softwood door are known as what?

Answer 38

Stiles.

Question 39

What is the minimum angle for a brace in a door?

Answer 39

45 degrees.

Question 40

You need to sharpen you plane to hang the door, what is the sharpening angle?

Answer 40

30 degrees.

Question 41

What type of information can be found on a door schedule?

Answer 41

A description of doors and their location.

Question 42

What type of information about doors would be found on a specification?

Answer 42

The quality of the door to be fitted and the quality/standard of work required.

Question 43

What type of hand plane should be used to shoot in a door?

Answer 43

A Jack Plane

Question 44

What ironmongery can be fitted to a front door to increase security?

Answer 44

Spy glass, security chain, barrel bolts, shoot bolts, dead lock

Question 45

What type of lock is a espagnolette?

Answer 45

Three point or multi point lock.

Question 46

What is the purpose of the intumescent strip fitted to a fire door?

Answer 46

It should hold back the smoke and fire to allow escape or rescue.