問題一覧
1
What is a synoptic chart?
A map displaying current weather conditions
2
What are some potential dangers of ice accretion on ships?
Structural damage and reduced visibility
3
What are the sources of weather information for shipping?
All of the choices
4
In which direction does an anticyclone rotate in the northern hemisphere?
Clockwise
5
What is the most useful service provided by HF/Single Side-Band Radio?
Voice broadcasts
6
What services are provided by Metoffice?
All of the choices
7
What is the role of meteorological codes in weather reporting?
Exchange information between meteorological centers
8
Which of the following is NOT a source of weather information for shipping?
Internet
9
What is the purpose of using facsimile machines for transmitting weather charts?
To exchange information between countries
10
What is the purpose of the POLAR CODE?
To regulate navigation in polar waters
11
What does a yellow weather warning mean?
Be aware and plan ahead
12
What is the role of the National Weather Service in issuing storm warnings?
To issue warnings for severe weather conditions
13
Which type of ice formation remains stationary and does not drift with ocean currents?
Fast ice
14
What is the term used to describe irregular-shaped pieces of sea ice pushed together?
Ice rafts
15
Which service provided by the Metoffice involves ice analysis and forecasts?
Iceberg Reports
16
How do countries exchange weather information?
Through radio transmissions
17
What should be done to minimize the risk of ice accretion on a ship's superstructure?
Install de-icing systems on critical areas
18
What type of front is formed when a cold air mass displaces a warmer air mass, leading to intense precipitation?
Cold front
19
How are anticyclones represented on constant-pressure upper-level charts?
Within the highest height line contour
20
In which direction do anticyclones rotate in the southern hemisphere?
counter clockwise
21
What do synoptic charts represent?
Synchronous weather observations
22
What are anticyclones associated with?
Calm weather and clear skies
23
How does ice accretion on a ship impact its stability and maneuverability?
It alters the center of gravity and may cause stability issues
24
Monsoons are seasonal wind patterns that bring distinct wet and dry periods to certain regions. Which monsoon is characterized as cool and dry?
Northeast monsoon (Amihan)
25
What is the purpose of a surface prognostic chart?
To display forecast positions of pressure systems, fronts, and turbulence
26
What does the color amber indicate in weather warnings?
Increased likelihood of bad weather affecting plans
27
What is a col in meteorology?
The intersection between two high and two low-pressure systems
28
Anticyclones are characterized by:
Clockwise rotation in the northern hemisphere
29
How is sea-level pressure plotted in a weather station plot?
In millibars (mb)
30
What is the Beaufort Letters system used for?
Determining wind speeds
31
What does Navtex broadcast?
Iceberg report
32
What is a ridge in meteorology?
An elongated region of high atmospheric pressure
33
What is a col?
An area of neutral air with no fixed weather
34
What is the importance of conducting a risk assessment in ice navigation?
To identify potential hazards and plan accordingly
35
In a weather station plot, how is wind direction represented?
By pointing the symbol towards the direction of wind
36
In a weather station plot, how is wind direction represented?
By pointing the symbol towards the direction of wind
37
What are tropical cyclones characterized by?
Strong winds and heavy rainfall
38
What is the main distinction between hurricanes and typhoons?
Their geographical locations
39
Which organization serves as the authoritative voice on Earth's atmosphere and climate?
World Meteorological Organization (WMO)
40
What are the primary factors that present challenges in polar navigation?
Limited infrastructure and communication facilities
41
What is the purpose of marine HF/Single Sideband Radio in weather services for shipping?
Transmit weather charts via HF radio
42
How is wind direction plotted on a weather station plot?
Using arrows pointing towards the wind direction
43
Which of the following is NOT a characteristic of high-pressure systems?
Air converges and rises
44
Which organization is the authoritative voice on Earth's atmosphere and climate?
World Meteorological Organization (WMO)
45
What is an anticyclone?
A weather phenomenon with descending air movement
46
Which term is commonly used to describe tropical cyclones that form over the northwestern Pacific Ocean?
Typhoons
47
Where can weather information be obtained via the Internet?
All of the choices
48
Which component of a synoptic chart provides information on pressure systems and turbulence?
Sea-level pressure