FCTC TEST ACTUAL EXAM 180 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A<\/p>\n\n\n\n
FCTC TEST 2023-2024 ACTUAL EXAM 180 QUESTIONS
AND CORRECT DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS) |ALREADY
GRADED A
A solid consisting of atoms, molecules, or ions fixed in a regular
geometric pattern extending in all three spatial dimensions best describes
a [matter1]. – ANSWER- crystal
Avogardro’s Number refers to the number of [number1] in the gram
atomic mass of any element. – ANSWER- atoms
The pressure of a gas is a result of the collisions of the gas’ molecules
with a surface. – ANSWER- true
A mixture of two or more metals is a\/an – ANSWER- alloy
, and are the phases of matter. There are states of matter. – ANSWERsolid, liquid, gas, 4
What is the heat capacity of water? – ANSWER- 4.18
is when a solid changes to a vapor without forming a liquid. –
ANSWER- sublimation<\/p>\n\n\n\n
A stoichiometric mixture is a mixture of fuel and oxygen in ratios What factors contribute to laminar or turbulent flow? – ANSWERvelocity and viscosity
needed for complete combustion with __<\/strong> residue of either
component. – ANSWER- no
phase change, oxidation exothermic ruction, endothermic, vape pressure<\/p>\n\n\n\n\n
the reaction of a compound
absorbs heat
releases heat
when the rate of ever-oration
energy is stored energy.
energy is energy associated with motion\/work. – ANSWER- potential
and kinetic
A stretched rubber band is an example of potential energy. – ANSWERtrue
There are _<\/strong> laws of motion according to Newton. – ANSWER- 3
What kind of fluid flow is considered streamlined? – ANSWER- laminar
flow<\/li>\n<\/ul>\n\n\n\n
The phenomenon wherein the hot plume rises from a fire and then
spreads elsewhere in the fire room is known as: – ANSWER- buoyancy
and are methods of heat transfer between bodies. is not an independent
mode of heat transfer but essential to describing fire phenomena. –
ANSWER- conduction
radiation
convection
The [number] number has a nearly constant value of 0.7 for air or
combustion product gases independent of temperature. – ANSWERPrandtl
Radiative heat transfer requires a medium to transfer heat. – ANSWERfalse
What is a hazard from heat transfer? – ANSWER- life safety
People can tolerate radiant exposure of levels up to and including
__<\/em><\/strong>\/m^2. – ANSWER- 2.5kW
Between 2005 and 2009 injuries were attributed to fires involving
upholstered furniture and injuries to mattress and bedding. These two
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