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Question (31)

QN0023492

A weather station records wind speeds of 12 km/h, 18 km/h and 24 km/h. What is the average wind speed?

(A) 16 km/h
(B) 18 km/h
(C) 20 km/h
(D) 22 km/h

Correct Answer: B

Explanation:

Average wind speed = (12 + 18 + 24) ÷ 3 = 18 km/h.

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Question (32)

QN0023493

Which of the following best explains the importance of weather stations?

(A) They provide reliable weather data for forecasting
(B) They generate electricity
(C) They increase rainfall
(D) They reduce storms

Correct Answer: A

Explanation:

Weather stations provide data required for forecasting.

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Question (33)

QN0023494

A weather station records temperatures of 28°C and 16°C. What is the temperature range?

(A) 10°C
(B) 11°C
(C) 12°C
(D) 13°C

Correct Answer: C

Explanation:

Temperature range = 28 − 16 = 12°C.

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Question (34)

QN0023495

Which weather element measured at a station is usually expressed as a percentage?

(A) Rainfall
(B) Humidity
(C) Temperature
(D) Pressure

Correct Answer: B

Explanation:

Relative humidity is expressed as a percentage.

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Question (35)

QN0023496

A weather station records pressures of 1012 mb and 1004 mb. What is the difference?

(A) 6 mb
(B) 7 mb
(C) 8 mb
(D) 9 mb

Correct Answer: C

Explanation:

Difference = 1012 − 1004 = 8 mb.

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Question (36)

QN0023497

Which weather station data would be most useful to a sailor?

(A) Wind speed and direction
(B) Soil composition
(C) Population density
(D) Literacy rate

Correct Answer: A

Explanation:

Sailors depend on wind information for navigation.

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Question (37)

QN0023498

A weather station records rainfall of 14 mm, 10 mm and 6 mm. What is the average rainfall?

(A) 8 mm
(B) 9 mm
(C) 10 mm
(D) 11 mm

Correct Answer: C

Explanation:

Average rainfall = (14 + 10 + 6) ÷ 3 = 10 mm.

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Question (38)

QN0023499

Which weather station measurement would be most useful in identifying a dry atmosphere?

(A) Humidity
(B) Rainfall only
(C) Temperature only
(D) Wind speed only

Correct Answer: A

Explanation:

Humidity indicates how much moisture is present in the air.

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Question (39)

QN0023500

If an AWS records temperatures of 39°C and 21°C, what is the temperature range?

(A) 16°C
(B) 17°C
(C) 18°C
(D) 19°C

Correct Answer: C

Explanation:

Temperature range = 39 − 21 = 18°C.

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Question (40)

QN0023501

Weather stations contribute to disaster preparedness mainly by:

(A) Providing timely weather information
(B) Preventing cyclones from forming
(C) Increasing atmospheric pressure
(D) Controlling rainfall

Correct Answer: A

Explanation:

Timely weather information helps people prepare for extreme weather events.

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Question (31)

A weather station records wind speeds of 12 km/h, 18 km/h and 24 km/h. What is the average wind speed?

Explanation:

Link:

Question (32)

Which of the following best explains the importance of weather stations?

Explanation:

Link:

Question (33)

A weather station records temperatures of 28°C and 16°C. What is the temperature range?

Explanation:

Link:

Question (34)

Which weather element measured at a station is usually expressed as a percentage?

Explanation:

Link:

Question (35)

A weather station records pressures of 1012 mb and 1004 mb. What is the difference?

Explanation:

Link:

Question (36)

Which weather station data would be most useful to a sailor?

Explanation:

Link:

Question (37)

A weather station records rainfall of 14 mm, 10 mm and 6 mm. What is the average rainfall?

Explanation:

Link:

Question (38)

Which weather station measurement would be most useful in identifying a dry atmosphere?

Explanation:

Link:

Question (39)

If an AWS records temperatures of 39°C and 21°C, what is the temperature range?

Explanation:

Link:

Question (40)

Weather stations contribute to disaster preparedness mainly by:

Explanation:

Link:

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