S-290 ACTUAL EXAM PAPER 2026
QUESTIONS WITH SOLUTIONS GRADED A+
◉The surface of the earth is primarily receiving heat from the sun
by. Answer: Radiation
◉Convection is?. Answer: Transfer of heat resulting from the motion
of air
◉High intensity fires can control their environment and modify
weather and elements near and adjacent to the fire?. Answer: True
◉At 1400 hrs the highest relative humidity would typically be found
on which aspect?. Answer: North
◉Which typographic factor would cause the most significant change
in fire behavior?. Answer: Slope reversal
◉Three tools that can be used to determine percent slope are.
Answer: Clinometer, measurement and compass
, ◉Three topographic factors which best affect a fuels ability to
combust are?. Answer: Steepness of slope, aspect, vertical
arrangement
◉The index contour on a topographic map is typically represented
how?. Answer: Every 4th or 5th contour line and is darker than the
rest
◉There are 4 fuel groups and 13 fuel models. Answer: True
◉Fuel models are a sub category of fuel groups and contain more
specific fuels characteristics than fuel groups. Answer: True
◉100 hr time lag fuel range in size from. Answer: 1 in to 3 in
◉1 hr time lag fuel range in size from. Answer: 0 to 1/4 in
◉1000 hr time lag fuel range in size from. Answer: 3-8 in
◉Rate of spread is minimized with compacted ground fuels due to
which characteristic. Answer: Increased fuel moisture, decreased
fuel temperature, decreased solar radiation
QUESTIONS WITH SOLUTIONS GRADED A+
◉The surface of the earth is primarily receiving heat from the sun
by. Answer: Radiation
◉Convection is?. Answer: Transfer of heat resulting from the motion
of air
◉High intensity fires can control their environment and modify
weather and elements near and adjacent to the fire?. Answer: True
◉At 1400 hrs the highest relative humidity would typically be found
on which aspect?. Answer: North
◉Which typographic factor would cause the most significant change
in fire behavior?. Answer: Slope reversal
◉Three tools that can be used to determine percent slope are.
Answer: Clinometer, measurement and compass
, ◉Three topographic factors which best affect a fuels ability to
combust are?. Answer: Steepness of slope, aspect, vertical
arrangement
◉The index contour on a topographic map is typically represented
how?. Answer: Every 4th or 5th contour line and is darker than the
rest
◉There are 4 fuel groups and 13 fuel models. Answer: True
◉Fuel models are a sub category of fuel groups and contain more
specific fuels characteristics than fuel groups. Answer: True
◉100 hr time lag fuel range in size from. Answer: 1 in to 3 in
◉1 hr time lag fuel range in size from. Answer: 0 to 1/4 in
◉1000 hr time lag fuel range in size from. Answer: 3-8 in
◉Rate of spread is minimized with compacted ground fuels due to
which characteristic. Answer: Increased fuel moisture, decreased
fuel temperature, decreased solar radiation