1-46.
A line that represents magnitude and direction
is known as a
1.
force
2.
composite force
3.
vector
4.
contact force
1-47.
Your ship is moving south (180°) at 15 knots,
and the apparent wind reads 090 degrees at 05
knots. What is the true wind, and what name
defines the forces used to compute it?
1.
160/16, component
2.
160/16, resultant
3.
340/20, component
4.
340/20, resultant
1-48.
What two basic particles make up the
composition of all matter?
1.
The atom and molecule
2.
The molecule and element
3.
The compound and mixture
4.
The element and atom
1-49.
When elements and compounds exist together
without forming new compounds, they are
known as a
1.
mixture
2.
compound
3.
compounded element
4.
state
1-50.
Which of the following forms of matter are
called fluids?
1.
Solids only
2.
Liquids only
3.
Gases only
4.
Liquids and gases
1-51.
Air density can be critical to a pilot whose
aircraft must take of f on a short runway and/or
whose aircraft is heavily loaded. Which, if any,
of the following factors affects the density of
the air at a given location?
1.
Pressure only
2.
Temperature only
3.
Pressure and temperature
4.
None of the above
1-52.
What is the name given to heat that is given off
or absorbed in a substance’s change of state?
1.
Energy
2.
Fusion
3.
Freezing
4.
Latent
1-53.
Water molecules in the oceans are more apt to
move into the atmosphere at which of the
following latitudes?
1.
5°S
2.
25°S
3.
25°N
4.
60°N
1-54.
You are with someone who is wearing glasses
in an air-conditioned space. When you leave
the space and go outside into much warmer air,
the person’s glasses fog over. What process has
taken place?
1.
Evaporation
2.
Condensation
3.
Sublimation
4.
Fusion
1-55.
Just after reveille, you go up on deck and find
the rails and outer bulkheads wet. There has
been no precipitation or fog, and the winds and
sea have been relatively calm. What do you
attribute morning dampness to?
1.
Humidity only
2.
Humidity and condensation
3.
Evaporation only
4.
Humidity and evaporation
1-56.
All cirriform clouds form through the process
of sublimation.
1.
True
2.
False
1-57.
Which, if any, of the following relationships
concerning enclosed gases is correct?
1.
Increasing the temperature decreases the
pressure
2.
Increasing the temperature and decreasing
the volume decreases the pressure
3.
Decreasing the volume decreases the
pressure
4.
None of the above
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