Small floes of rough, hummocky sea ice are...
Question 1 of 27070
Q
Small floes of rough, hummocky sea ice are capable of damaging a vessel. Which statement is TRUE?
A
The floes are invisible to radar when covered with a thick layer of snow
B
They are indistinguishable from sea return on the PPI
C
They can usually be detected by radar in a smooth sea at a range of 2 to 4 miles
D
The floes are usually seen at night before they are close enough to provide a radar echo
Question 1 / 27070
66636ee728f7522a1c518985
Question 1 of 27070
66636ee728f7522a1c518985
Small floes of rough, hummocky sea ice are capable of damaging a vessel. Which statement is TRUE?
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A
The floes are invisible to radar when covered with a thick layer of snow
B
They are indistinguishable from sea return on the PPI
C
They can usually be detected by radar in a smooth sea at a range of 2 to 4 miles
D
The floes are usually seen at night before they are close enough to provide a radar echo
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Question 1 of 27070
66636ee728f7522a1c518985
Q
Small floes of rough, hummocky sea ice are capable of damaging a vessel. Which statement is TRUE?
A
The floes are invisible to radar when covered with a thick layer of snow
B
They are indistinguishable from sea return on the PPI
C
They can usually be detected by radar in a smooth sea at a range of 2 to 4 miles
D
The floes are usually seen at night before they are close enough to provide a radar echo
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