NEVADA NV C-41 FIRE PROTECTION
CONTRACTOR EXAM 2026 CERTIFICATION
EVALUATION EXAMS WITH COMPLETE Q&A
STUDY GUIDE
◉ B. (Vapor density) Answer: The relative density of a vapor or gas
as compared to air is the _____
A. Miscibility
B. Vapor density
C. Flash point
D. Vibration
◉ B. (above) Answer: A vapor that is _____ its upper flammable limit
is said to be too rich to burn
A. at
B. above
C. below
D. within
,◉ C. (Radiation) Answer: Which of the following terms refers to the
transfer of heat by wavelengths of energy?
A. Conduction
B. Convection
C. Radiation
D. Autoexposure
◉ C. (Class D) Answer: What fire classification refers to combustible
metals (medals)?
A. Class A
B. Class K
C. Class D
D. Class B
◉ B. (Growth) Answer: During what fire stage does convected heat
rise and preheat fuels above the fire?
A. Ignition
B. Growth
C. Fully developed
, D. Decay
◉ A. (removing heat) Answer: When apply water to suppress a fire,
the dominant suppression mechanism is ______
A. removing heat
B. removing fuel
C. smothering air supply
D. interrupting chemical chain reaction
◉ c. (37.7 because
T(°C) = (T(°F) - 32) × 5/9
or
T(°C) = (T(°F) - 32) / (9/5)
or
T(°C) = (T(°F) - 32) / 1.8) ) Answer: 100 Fahrenheit equals to
____Celsius
a. 50.0
b. 55.6
c. 37.7
CONTRACTOR EXAM 2026 CERTIFICATION
EVALUATION EXAMS WITH COMPLETE Q&A
STUDY GUIDE
◉ B. (Vapor density) Answer: The relative density of a vapor or gas
as compared to air is the _____
A. Miscibility
B. Vapor density
C. Flash point
D. Vibration
◉ B. (above) Answer: A vapor that is _____ its upper flammable limit
is said to be too rich to burn
A. at
B. above
C. below
D. within
,◉ C. (Radiation) Answer: Which of the following terms refers to the
transfer of heat by wavelengths of energy?
A. Conduction
B. Convection
C. Radiation
D. Autoexposure
◉ C. (Class D) Answer: What fire classification refers to combustible
metals (medals)?
A. Class A
B. Class K
C. Class D
D. Class B
◉ B. (Growth) Answer: During what fire stage does convected heat
rise and preheat fuels above the fire?
A. Ignition
B. Growth
C. Fully developed
, D. Decay
◉ A. (removing heat) Answer: When apply water to suppress a fire,
the dominant suppression mechanism is ______
A. removing heat
B. removing fuel
C. smothering air supply
D. interrupting chemical chain reaction
◉ c. (37.7 because
T(°C) = (T(°F) - 32) × 5/9
or
T(°C) = (T(°F) - 32) / (9/5)
or
T(°C) = (T(°F) - 32) / 1.8) ) Answer: 100 Fahrenheit equals to
____Celsius
a. 50.0
b. 55.6
c. 37.7
