S-130 Module 12 (Optional Knowledge)
Exam Questions and Answers
Agencies use, (blank), for supplying water directly to the fireground from auxiliary water
sources such as ponds, lakes, rivers, streams, and swimming pools. ANSWERS
Portable fire pumps
(Blank), pumps are powered by either a two-cycle or a four-cycle engine.
ANSWERS Portable fire pumps
What are the TWO broad categories of portable fire pumps? ANSWERS 1. Land-
based portable fire pumps; &
2. Floating portable fire pumps
Two-cycle portable fire pump engines run on a mixture of gasoline & oil, whereas four-
cycle engines run on only, (blank). ANSWERS Gasoline
(Blank), pumps are designed to set near the water's edge, with a hard suction hose
running from the pump to the water. ANSWERS Land-based portable pumps
The TWO most common, (blank), pumps are:
1. Positive displacement pumps; &
2. Centrifugal pumps ANSWERS Land-based pumps
Centrifugal pumps function differently from positive displacement pumps in that they
have to be (blank), before they will pump water. ANSWERS Primed
Firefighters use the, (blank), pump more than any other in wildland fire suppression.
ANSWERS Centrifugal Pump
On topo maps, the changes in the shape of contour lines and the distances between
lines reflect the, (blank) of the terrain. ANSWERS Slope
You can distinguish between summits and depression on a topo map by looking for,
(blank), marks on the inside of closed contours that indicate depressions.
ANSWERS Tick Marks
(Blank), lines forming a series of curves that look like the letter U indicate a ridge or
outcropping. The bottom of the U's point down the slope. ANSWERS Contour
Lines
Exam Questions and Answers
Agencies use, (blank), for supplying water directly to the fireground from auxiliary water
sources such as ponds, lakes, rivers, streams, and swimming pools. ANSWERS
Portable fire pumps
(Blank), pumps are powered by either a two-cycle or a four-cycle engine.
ANSWERS Portable fire pumps
What are the TWO broad categories of portable fire pumps? ANSWERS 1. Land-
based portable fire pumps; &
2. Floating portable fire pumps
Two-cycle portable fire pump engines run on a mixture of gasoline & oil, whereas four-
cycle engines run on only, (blank). ANSWERS Gasoline
(Blank), pumps are designed to set near the water's edge, with a hard suction hose
running from the pump to the water. ANSWERS Land-based portable pumps
The TWO most common, (blank), pumps are:
1. Positive displacement pumps; &
2. Centrifugal pumps ANSWERS Land-based pumps
Centrifugal pumps function differently from positive displacement pumps in that they
have to be (blank), before they will pump water. ANSWERS Primed
Firefighters use the, (blank), pump more than any other in wildland fire suppression.
ANSWERS Centrifugal Pump
On topo maps, the changes in the shape of contour lines and the distances between
lines reflect the, (blank) of the terrain. ANSWERS Slope
You can distinguish between summits and depression on a topo map by looking for,
(blank), marks on the inside of closed contours that indicate depressions.
ANSWERS Tick Marks
(Blank), lines forming a series of curves that look like the letter U indicate a ridge or
outcropping. The bottom of the U's point down the slope. ANSWERS Contour
Lines
