Block 4

Question 1

What is the main function of door bolts?

Answer 1

Security, defensive measure, privacy, means of escape

Question 2

What are door bolts made out of?

Answer 2

Non ferrous metals aluminum and brass
Ferrous bolts

Question 3

What are the centre distance for cylinder locks?

Answer 3

Lever key 57mm, euro profile 47.6mm, din lock 72mm, oval 48.5mm all common.

euro profile 49.3mm (ASSA) euro profile 51mm (Guardian) 52 oval (dormakaba)

Question 4

Thickness of sprung roses?

Answer 4

6-10mm

Question 5

Thickness of unsprung roses?

Answer 5

4-5mm

Question 6

Regualtion for buildings to meet for disabled people?

Answer 6

BS 8300 2:2018

Question 7

Types of spindle?

Answer 7

Pitrs mortice, drilled through, drilled through and tapped, wilkes, duces, solid slotted

Question 8

Bathroom lock spindle size

Answer 8

5mm or 8mm

Question 9

Fixings for pull handles?

Answer 9

Bolt through, bolt back to back, concealed face, rose concealed

Question 10

4 main types of protection plates?

Answer 10

Push, kick, mid-rail, trolley

Question 11

General thickness of protection plates.

Answer 11

1.5mm

Question 12

What act stopped the specification of door knobs?

Answer 12

Equalitys act 2010

Question 13

BS EN 1906:2012

Answer 13

Lever handles and knob furniture

Question 14

What does BS 8300 specify about handles

Answer 14

Hand grip zone mini 95mm, 45mm from face of door to back of handle, lever section min 19mm, minimum backset 54mm, lever design return 2 door or upturn

Question 15

Bs 8300 standard for pull handles

Answer 15

Pull handle sectional diameter between 19mm and 35mm. Bottom fixing should be no lower than 700mm and no higher than 1000mm. Top fixing should be fixed no lower than 1300mm

Question 16

BS EN 1125:2008

Answer 16

Panic and Exit hardware

Question 17

BS EN 12051

Answer 17

Door bolts