Deck 17: Doors

Question 1

The muntin in a panelled door joins

A) The lock rail to the stile
B) The bottom rail to the stile
C) The top rail to the stile
D) The frieze rail to the bottom rail
E) The frieze rail to the lock rail

Answer 1

E

Question 2

The weatherboard is fixed to the

A) External face of the door to throw water clear from the door
B) Threshold to prevent water running beneath the door
C) Internal face of the door to prevent water from entering the building
D) Frame to prevent water entering the gap between the door and the frame
E) Top of the door to prevent rain from falling onto the door

Answer 2

A

Question 3

Mouldings are used to

A) Cover the joint between the panels and the frame
B) Fix the rails to the stiles
C) Attach the weatherboard to the bottom rail
D) Attach the glass panels to the glazing bars
E) Cover the joint between the glazing bars and the frame

Answer 3

A

Question 4

A hollow core door has

A) A plywood frame
B) An infill of cellular paperboard
C) An infill of plasterboard
D) A central stile
E) A fire resistance of 30 minutes

Question 5

A semi-solid core door has

A) A plywood facing on one side and a hardboard facing on the other side
B) A lock block that is 50% larger than the bottom rail
C) A minimum of 50% timber in its construction
D) Two central stiles
E) A central core of wood chippings

Question 6

Lippings are provided in order to

A) Protect the edges of the facings
B) Prevent the material in the core from falling out
C) Allowing glazing panels to be incorporated in the door
D) Cover the gap between the door and the frame
E) Fix the facing to the frame

Question 7

Stability in fire doors is defined as

A) Resistance to the passage of flame
B) Resistance to the passage of smoke
C) Resistance to the passage of heat
D) Resistance to collapse
E) Resistance to combustion

Question 8

Intumescent strips

A) Reduce the combustibility of timber doors
B) Provide a flame retardant protection to the door frame
C) Expand when in contact with smoke to prevent it from penetrating through the door
D) Expand when heated to seal the gap between the frame and the wall
E) Expand when heated to seal the gap between the door and the frame

Question 9

Bracing is used in matchboarded doors to

A) Connect the battens to each other
B) Connect the battens to the ledges
C) Connect the ledges to each other
D) Prevent the door dropping out of square
E) Prevent the door from shrinking and swelling with changes in the moisture content of the timber

Question 10

Horns on door frames are provided to

A) Fix the frame to the wall
B) Fix the door to the frame
C) Protect the frame during transportation
D) Stiffen the frame against buckling when being installed
E) Fix the architrave to the frame