Fire Safety Study

Question 1

Fire and people

Answer 1

Study the control of fire and smoke such that do not cause any adverse impact to the evacuees

Question 2

Fire and building

Answer 2

Study the design of building structure such that the structural stability of the building can be retained during fire

Question 3

People and Building

Answer 3

To study the scape routes

Question 4

Elements of fire and people

Answer 4

Fire hydrandt and hose reel
Sprinkler system
Fire detection system
Manual fire alarm
Fixed inert gas system
Portable fire extinguisher
Smoke extraction system
Smoke vent

Question 5

Water pressure of a hydrant and hose reel

Answer 5

350 to 850 kPa

Question 6

Who is the user of fire hydrant

Answer 6

Fireman to get water

Question 7

Hose reel user

Answer 7

Occuoants, length hose is 20 m

Question 8

Dimensions of a nozzle and valve of a hose reel

Answer 8

1350 mm and 500 m for recessed hose reel

Question 9

Break glass unit distance

Answer 9

At 1200 mm from AFFL

Question 10

Where are fire hydrants located?

Answer 10

Inside every protective staircases at the half landing for more convenience

Question 11

Type of risers

Answer 11

Wet or dry

Question 12

When can a dry riser be used?

Answer 12

Only where there is a reliable local fire brigade

Question 13

What is the common riser in HK

Answer 13

Wet riser

Question 14

What constitutes people and building

Answer 14

Exits signs, emergency lighting, staircase pressurization, escape routes, fireman lift

Question 15

Staircase pressurization

Answer 15

Most important facility for building evacuation

Question 16

Differential pressure in stAircase pressurization

Answer 16

50 pa to easily push the exit door

Question 17

Components of fire nd building

Answer 17

Shutters, fire doors, fire resisting consturction, drencher system

Question 18

Fire shutter

Answer 18

Separate a compartment into two to prevent spreading

Question 19

Thermally insulated shutters

Answer 19

Very expensive

Question 20

Fire door

Answer 20

Self closing, able to withstand the fire

Question 21

Broad products

Answer 21

Gypsum board, fiber reinforced calcium silicate board, vermiculite sodium silicate board or mineral fiber board

Question 22

Spray applied material

Answer 22

Cementitious plasters, mineral fibers, magnesium oxychloride cement, intumescents

Question 23

Concrete encase ent

Answer 23

To surround and insulate the steel
Concrete is cast to fill in all re entrant spaces
Acts only to thermally protect the steel

Question 24

Drencher system

Answer 24

Window type nozzle used to produce water curtain