Chapter 3 Methods and Materials

Question 1

_______is almost equally strong in compression and tension

Answer 1

Steel

Question 2

_______is malleable hey contains as little as 2% carbon

Answer 2

Wrought Iron

Question 3

_______is brittle and contains 3 to 4% carbon

Answer 3

Cast-iron

Question 4

an alloy composed of iron and carbon (

Answer 4

Structural steel

Question 5

In high-rise buildings, breakable glass can be marked with a _______ for identification purposes

Answer 5

Maltese cross

Question 6

Use _______ blade saws to get through hurricane glass

Answer 6

carbide tipped

Question 7

_______ has a greater resistance to fire than ordinary glass but conducts the same heat

Answer 7

Wired glass

Question 8

_______can conceal a fire in the ceiling above firefighters and can cause the ceiling to fail earlier than expected

Answer 8

Glass fiber insulation

Question 9

Thermal plastics like polystyrene can produce flaming, dripping plastic, which will produce

Answer 9

secondary fires

Question 10

_______like polyurethane are plastics that char and burn but do not flow

Answer 10

Thermosets

Question 11

plastic panels in which foam urethane or expanded polystyrene is sandwiched between two panels of OSP, Or OSB on the exterior and gypsum on the interior

Answer 11

Foam core panels

Question 12

Wallboard is a part of a _______– all components must be tested together any testing laboratory to get an hourly fire resistance rating

Answer 12

rated wall assembly