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Question (11)

QN0023472

A weather station records rainfall of 8 mm, 12 mm and 16 mm on three days. What is the average rainfall?

(A) 10 mm
(B) 12 mm
(C) 14 mm
(D) 16 mm

Correct Answer: B

Explanation:

Average rainfall = (8 + 12 + 16) ÷ 3 = 12 mm.

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Question (12)

QN0023473

Which weather element helps determine whether conditions are dry or humid?

(A) Humidity
(B) Wind speed
(C) Rainfall only
(D) Air pressure only

Correct Answer: A

Explanation:

Humidity indicates the amount of moisture in the air.

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Question (13)

QN0023474

A weather station records atmospheric pressures of 1008 mb and 996 mb on consecutive days. By how much did the pressure decrease?

(A) 10 mb
(B) 11 mb
(C) 12 mb
(D) 13 mb

Correct Answer: C

Explanation:

Pressure decrease = 1008 − 996 = 12 mb.

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Question (14)

QN0023475

Accurate weather information from weather stations helps in:

(A) Environmental monitoring
(B) Weather forecasting
(C) Disaster preparedness
(D) All of these

Correct Answer: D

Explanation:

Weather stations support forecasting, monitoring and disaster management.

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Question (15)

QN0023476

Which statement best defines an Automated Weather Station?

(A) A self-operating system that measures and records weather data
(B) A machine used only for measuring rainfall
(C) A weather satellite
(D) A type of thermometer

Correct Answer: A

Explanation:

AWS automatically records weather observations.

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Question (16)

QN0023477

A weather station records wind speeds of 18 km/h and 32 km/h. What is the increase in wind speed?

(A) 12 km/h
(B) 14 km/h
(C) 16 km/h
(D) 18 km/h

Correct Answer: B

Explanation:

Increase = 32 − 18 = 14 km/h.

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Question (17)

QN0023478

Which of the following data can help forecast weather conditions?

(A) Temperature records
(B) Humidity records
(C) Wind records
(D) All of these

Correct Answer: D

Explanation:

Forecasts use several weather elements together.

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Question (18)

QN0023479

If rainfall recorded during a week is 7 mm, 9 mm, 11 mm, 13 mm and 15 mm, what is the average rainfall?

(A) 9 mm
(B) 10 mm
(C) 11 mm
(D) 12 mm

Correct Answer: C

Explanation:

Average rainfall = (7 + 9 + 11 + 13 + 15) ÷ 5 = 11 mm.

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Question (19)

QN0023480

Weather stations help meteorologists by providing:

(A) Regular weather measurements
(B) Mineral information
(C) Population statistics
(D) Industrial production data

Correct Answer: A

Explanation:

Meteorologists use weather station data for analysis.

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Question (20)

QN0023481

A weather station records maximum and minimum temperatures of 41°C and 25°C. What is the temperature range?

(A) 14°C
(B) 15°C
(C) 16°C
(D) 17°C

Correct Answer: C

Explanation:

Temperature range = 41 − 25 = 16°C.

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Question (11)

A weather station records rainfall of 8 mm, 12 mm and 16 mm on three days. What is the average rainfall?

Explanation:

Link:

Question (12)

Which weather element helps determine whether conditions are dry or humid?

Explanation:

Link:

Question (13)

A weather station records atmospheric pressures of 1008 mb and 996 mb on consecutive days. By how much did the pressure decrease?

Explanation:

Link:

Question (14)

Accurate weather information from weather stations helps in:

Explanation:

Link:

Question (15)

Which statement best defines an Automated Weather Station?

Explanation:

Link:

Question (16)

A weather station records wind speeds of 18 km/h and 32 km/h. What is the increase in wind speed?

Explanation:

Link:

Question (17)

Which of the following data can help forecast weather conditions?

Explanation:

Link:

Question (18)

If rainfall recorded during a week is 7 mm, 9 mm, 11 mm, 13 mm and 15 mm, what is the average rainfall?

Explanation:

Link:

Question (19)

Weather stations help meteorologists by providing:

Explanation:

Link:

Question (20)

A weather station records maximum and minimum temperatures of 41°C and 25°C. What is the temperature range?

Explanation:

Link:

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