IFSTA, Chapter 3 Exam With
Questions And Answers
What is anything that occupies space and has mass? - Answer matter
What is a chemical reaction between two or more materials that changes the materials
and produces heat, flames, and toxic smoke? - Answer exothermic heat reaction
An ___________ heat reaction is a chemical reaction in which a substance absorbs
heat energy. - Answer endothermic
Combustion is an exothermic chemical reaction that releases energy in the form of heat
and sometimes light. (true/false) - Answer TRUE
How are modes of combustion differentiated? - Answer Based on where the reaction is
occurring
Accelerant is a component of the fire triangle. (true/false) - Answer FALSE
Energy possessed by an object that may be released in the future is known as
_________ ______. - Answer potential energy
Which type of energy is the energy possessed by a moving object? - Answer Kinetic
energy
Energy is the capacity to perform work. (true/false) - Answer TRUE
The _____ is the measure for heat energy in the International System of Units? -
Answer Joule
What is the measure for heat energy in the customary system? - Answer British
Thermal Unit (BTU)
The chemical composition of a substance through the action of heat is known as
_________. - Answer pyrolysis
Autoignition is _ of the _ forms of ignitions. - Answer 1 of the 2
What is the temperature to which the surface of a substance must be heated for ignition
and self-sustained combustion to occur? - Answer Autoignition temperature
Questions And Answers
What is anything that occupies space and has mass? - Answer matter
What is a chemical reaction between two or more materials that changes the materials
and produces heat, flames, and toxic smoke? - Answer exothermic heat reaction
An ___________ heat reaction is a chemical reaction in which a substance absorbs
heat energy. - Answer endothermic
Combustion is an exothermic chemical reaction that releases energy in the form of heat
and sometimes light. (true/false) - Answer TRUE
How are modes of combustion differentiated? - Answer Based on where the reaction is
occurring
Accelerant is a component of the fire triangle. (true/false) - Answer FALSE
Energy possessed by an object that may be released in the future is known as
_________ ______. - Answer potential energy
Which type of energy is the energy possessed by a moving object? - Answer Kinetic
energy
Energy is the capacity to perform work. (true/false) - Answer TRUE
The _____ is the measure for heat energy in the International System of Units? -
Answer Joule
What is the measure for heat energy in the customary system? - Answer British
Thermal Unit (BTU)
The chemical composition of a substance through the action of heat is known as
_________. - Answer pyrolysis
Autoignition is _ of the _ forms of ignitions. - Answer 1 of the 2
What is the temperature to which the surface of a substance must be heated for ignition
and self-sustained combustion to occur? - Answer Autoignition temperature
