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Question (11)

QN0031138

An Automated Weather Station (AWS) records temperature, humidity, rainfall, wind speed and atmospheric pressure every hour. What is the main advantage of using an AWS?

(A) It works only during the daytime.
(B) It collects accurate weather data automatically without continuous human involvement.
(C) It measures only rainfall and temperature.
(D) It predicts earthquakes.

Correct Answer: B

Explanation:

Automated Weather Stations continuously record weather data automatically, improving efficiency and accuracy.

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Question (12)

QN0031139

A meteorologist observes that atmospheric pressure has been steadily falling while wind speed is increasing. Which weather condition is most likely to develop?

(A) Stable and clear weather
(B) Stormy weather or a cyclone
(C) Very dry weather only
(D) Snowfall in every region

Correct Answer: B

Explanation:

Falling pressure along with stronger winds often indicates the development of storms or cyclones.

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Question (13)

QN0031140

On a certain day, the maximum temperature was 35°C and the minimum temperature was 19°C. What was the temperature range?

(A) 16°C
(B) 17°C
(C) 27°C
(D) 54°C

Correct Answer: A

Explanation:

Temperature range = Maximum temperature − Minimum temperature = 35 − 19 = 16°C.

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Question (14)

QN0031141

Which of the following combinations would make a person feel most uncomfortable due to sweating, assuming the temperature is the same?

(A) 28°C and 30% humidity
(B) 28°C and 45% humidity
(C) 28°C and 65% humidity
(D) 28°C and 85% humidity

Correct Answer: D

Explanation:

Higher humidity reduces evaporation of sweat, making people feel more uncomfortable.

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Question (15)

QN0031142

A weather station recorded the following rainfall during four consecutive days: Day 1 – 4 mm, Day 2 – 16 mm, Day 3 – 10 mm, Day 4 – 6 mm. What was the total rainfall?

(A) 30 mm
(B) 34 mm
(C) 36 mm
(D) 40 mm

Correct Answer: C

Explanation:

Total rainfall = 4 + 16 + 10 + 6 = 36 mm.

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Question (16)

QN0031143

Which pair of people would depend most directly on accurate information about wind speed and direction?

(A) Doctors and teachers
(B) Pilots and sailors
(C) Shopkeepers and musicians
(D) Tailors and painters

Correct Answer: B

Explanation:

Wind speed and direction are essential for aircraft operation and sea navigation.

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Question (17)

QN0031144

Which observation best suggests that the air contains a large amount of water vapour?

(A) Wet clothes dry very quickly.
(B) Coconut oil melts faster.
(C) Wet clothes take a long time to dry.
(D) Atmospheric pressure becomes exactly 1013 mb.

Correct Answer: C

Explanation:

High humidity means the air already contains much water vapour, slowing evaporation.

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Question (18)

QN0031145

A student compares two places: Place A: 1005 mb atmospheric pressure; Place B: 990 mb atmospheric pressure. Which place is more likely to experience stormy weather?

(A) Place A because the pressure is higher
(B) Place A because rainfall is lower
(C) Place B because pressure below 1000 mb indicates a depression
(D) Both places are equally likely

Correct Answer: C

Explanation:

Atmospheric pressure below 1000 mb generally indicates a low-pressure system that may lead to storms.

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Question (19)

QN0031146

Which weather element is measured as a percentage?

(A) Temperature
(B) Atmospheric pressure
(C) Relative humidity
(D) Wind speed

Correct Answer: C

Explanation:

Relative humidity is expressed as a percentage from 0% to 100%.

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Question (20)

QN0031147

Why do meteorologists collect weather data continuously over long periods instead of only on one day?

(A) To make thermometers last longer
(B) To identify weather patterns and improve the accuracy of forecasts
(C) To increase rainfall artificially
(D) To reduce atmospheric pressure

Correct Answer: B

Explanation:

Long-term weather observations help identify patterns and improve the accuracy of weather forecasts.

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Question (11)

An Automated Weather Station (AWS) records temperature, humidity, rainfall, wind speed and atmospheric pressure every hour. What is the main advantage of using an AWS?

Explanation:

Link:

Question (12)

A meteorologist observes that atmospheric pressure has been steadily falling while wind speed is increasing. Which weather condition is most likely to develop?

Explanation:

Link:

Question (13)

On a certain day, the maximum temperature was 35°C and the minimum temperature was 19°C. What was the temperature range?

Explanation:

Link:

Question (14)

Which of the following combinations would make a person feel most uncomfortable due to sweating, assuming the temperature is the same?

Explanation:

Link:

Question (15)

A weather station recorded the following rainfall during four consecutive days: Day 1 – 4 mm, Day 2 – 16 mm, Day 3 – 10 mm, Day 4 – 6 mm. What was the total rainfall?

Explanation:

Link:

Question (16)

Which pair of people would depend most directly on accurate information about wind speed and direction?

Explanation:

Link:

Question (17)

Which observation best suggests that the air contains a large amount of water vapour?

Explanation:

Link:

Question (18)

A student compares two places: Place A: 1005 mb atmospheric pressure; Place B: 990 mb atmospheric pressure. Which place is more likely to experience stormy weather?

Explanation:

Link:

Question (19)

Which weather element is measured as a percentage?

Explanation:

Link:

Question (20)

Why do meteorologists collect weather data continuously over long periods instead of only on one day?

Explanation:

Link:

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