IAAI CFI Study Questions and Answers
Question 1
A liquid with a flash point ABOVE 100F
Correct Answer
Combustible Liquid
Question 2
If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts,
what is the amperage of the remaining current flow of the return circuit?
Correct Answer
12.5
Question 3
If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage?
*Power (P) = current (I) x voltage (V)
Watts = amps x volts
Correct Answer
1000
Page 1 of 67
,Question 4
The year of the first edition of NFPA 1033
Correct Answer
1987
Question 5
The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris
Correct Answer
1.5 times
Question 6
What temperature in the upper gas layer causes the onset of Flashover?
Correct Answer
1100°F
Question 7
The temperature at which copper melts
Correct Answer
1960°F
Page 2 of 67
,Question 8
The measurement of the radiant heat flux (from gas layer to the floor) that indicates the onset of flashover
Correct Answer
2 W/cm2
Question 9
The voltage between the two hot wires at the service entrance cables in most single-family residences in the United States
(single-phase service with three wires)
Correct Answer
240 volts
Question 10
The revision cycle for NFPA 921 (timespan)
Correct Answer
3 years
Question 11
The flash point of power steering fluid
Correct Answer
350°F
Page 3 of 67
, Question 12
In high-pressure fuel-injected vehicles, this is the typical range of pressure that is used to pump fuel from a fuel tank
Correct Answer
35-70 p.s.i.
Question 13
The lower explosive and upper explosive limit of natural gas (methane)?
Correct Answer
5 and 17
Question 14
The ignition temperature of power steering fluid
Correct Answer
680°F
Question 15
Any substance that can undergo combustion
Correct Answer
Fuel
Page 4 of 67
Question 1
A liquid with a flash point ABOVE 100F
Correct Answer
Combustible Liquid
Question 2
If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts,
what is the amperage of the remaining current flow of the return circuit?
Correct Answer
12.5
Question 3
If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage?
*Power (P) = current (I) x voltage (V)
Watts = amps x volts
Correct Answer
1000
Page 1 of 67
,Question 4
The year of the first edition of NFPA 1033
Correct Answer
1987
Question 5
The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris
Correct Answer
1.5 times
Question 6
What temperature in the upper gas layer causes the onset of Flashover?
Correct Answer
1100°F
Question 7
The temperature at which copper melts
Correct Answer
1960°F
Page 2 of 67
,Question 8
The measurement of the radiant heat flux (from gas layer to the floor) that indicates the onset of flashover
Correct Answer
2 W/cm2
Question 9
The voltage between the two hot wires at the service entrance cables in most single-family residences in the United States
(single-phase service with three wires)
Correct Answer
240 volts
Question 10
The revision cycle for NFPA 921 (timespan)
Correct Answer
3 years
Question 11
The flash point of power steering fluid
Correct Answer
350°F
Page 3 of 67
, Question 12
In high-pressure fuel-injected vehicles, this is the typical range of pressure that is used to pump fuel from a fuel tank
Correct Answer
35-70 p.s.i.
Question 13
The lower explosive and upper explosive limit of natural gas (methane)?
Correct Answer
5 and 17
Question 14
The ignition temperature of power steering fluid
Correct Answer
680°F
Question 15
Any substance that can undergo combustion
Correct Answer
Fuel
Page 4 of 67