11836479
Descripción
Test por Jose Antonio Vazquez, actualizado hace más de 1 año
|
Creado por Jose Antonio Vazquez
hace casi 7 años
|
|
Pregunta 1
Pregunta
1- Which of the following channels can be used to estimate cloud top height?:
Respuesta
-
Visible.
-
Water vapour.
-
IR and Visible.
-
IR.
Pregunta 2
Pregunta
2- Which of these cloud types can't be observed in the water vapour channel?
Respuesta
-
Cumulus humilis.
-
Cumulonimbus capillatus (anvil cirrus).
-
Cirrus.
-
Cumulus humilis and cirrus.
Pregunta 3
Pregunta
3- Which of these cloud types can be viewed in the visible channel?
Respuesta
-
Cirrus and cumulonimbus.
-
Cumulus.
-
Low stratus.
-
All of them.
Pregunta 4
Pregunta
4- What is the smallest distinguishable feature that can be seen in the Meteosat visible channel?
Respuesta
-
1.0 Km.
-
2.5 km.
-
7.5 km.
-
10.5 km.
Pregunta 5
Pregunta
5- What is the cone of silence? (Choose the best answer.)
Respuesta
-
The volume under the lowest elevation of the beam
-
The volume above the highest elevation of the beams
-
The volume between the lowest and highest scans in clear air mode
-
The volume between the lowest and highest scans in precipitation mode
Pregunta 6
Pregunta
6- In which of the following instances would precipitation often go completely unobserved by radar due to the geometry of the radar beam?
Respuesta
-
A tall thunderstorm producing rain very close to the radar
-
A tall thunderstorm producing rain about 50 km (31 mi) away from the radar
-
A low, stratiform cloud producing rain near the radar's maximum unambiguous range and a thunderstorm producing rain behind a mountain located 10 km (6 mi) from the radar.
-
None of them.
Pregunta 7
Pregunta
7- What usually doesn't constitute ground clutter that we often see near a radar?
Respuesta
-
Insects
-
Birds
-
Large particulate matter, like dust
-
Fog
Pregunta 8
Pregunta
8- Which of the following phenomena appears on radar as evenly scattered bands of weak reflectivity or ripples near the radar, especially during the afternoon? (Choose the best answer.)
Respuesta
-
Smoke
-
Chaff
-
Horizontal convective rolls
-
Anomalous propagation
Pregunta 9
Pregunta
9- What reflectivity value is a general threshold that indicates hail? (Choose the best answer.)
Respuesta
-
40 dBZ
-
50 dBZ
-
60 dBZ
-
70 dBZ
Pregunta 10
Pregunta
10- Weather satellites measure radiation emitted by the Earth or reflected solar radiation
Respuesta
-
They are usually passive detection devices.
-
They are usually active detection devices.
-
They are usually none of them.
-
They are usually passive both of them.
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.