FCTC TEST ACTUAL EXAM 180 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A

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

A stoichiometric mixture is a mixture of fuel and oxygen in ratios

needed for complete combustion with ______ residue of either

component. - ANSWER- no

phase change, oxidation exothermic ruction, endothermic, vape pressure

- ANSWER- change of state

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 _____ laws of motion according to Newton. - ANSWER- 3

What kind of fluid flow is considered streamlined? - ANSWER- laminar

flow

What factors contribute to laminar or turbulent flow? - ANSWERvelocity and viscosity

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

________/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