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Question (21)

QN0023482

Which weather station feature reduces the need for human intervention?

(A) Automation
(B) Manual registers
(C) Printed maps
(D) Observation towers

Correct Answer: A

Explanation:

Automation allows weather data to be recorded automatically.

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Question (22)

QN0023483

A weather station records rainfall of 5 mm and 17 mm on two days. What is the total rainfall?

(A) 20 mm
(B) 21 mm
(C) 22 mm
(D) 23 mm

Correct Answer: C

Explanation:

Total rainfall = 5 + 17 = 22 mm.

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Question (23)

QN0023484

Why are weather station readings collected regularly rather than once a year?

(A) To observe changing weather conditions accurately
(B) To increase rainfall
(C) To reduce pressure changes
(D) To control wind direction

Correct Answer: A

Explanation:

Regular observations help track weather changes accurately.

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Question (24)

QN0023485

A weather station records humidity levels of 60% and 78%. By how many percentage points did humidity increase?

(A) 16
(B) 17
(C) 18
(D) 19

Correct Answer: C

Explanation:

Increase = 78 − 60 = 18 percentage points.

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Question (25)

QN0023486

Which sector depends heavily on weather station data for safe aircraft operations?

(A) Agriculture
(B) Aviation
(C) Mining
(D) Forestry

Correct Answer: B

Explanation:

Aviation relies heavily on weather information for safety.

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Question (26)

QN0023487

An AWS records a maximum temperature of 36°C and minimum temperature of 24°C. What is the mean daily temperature?

(A) 28°C
(B) 29°C
(C) 30°C
(D) 31°C

Correct Answer: C

Explanation:

Mean temperature = (36 + 24) ÷ 2 = 30°C.

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Question (27)

QN0023488

The data collected at weather stations are useful because they are:

(A) Regular and systematic
(B) Random and irregular
(C) Collected once a decade
(D) Based only on guesses

Correct Answer: A

Explanation:

Systematic observations improve accuracy and reliability.

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Question (28)

QN0023489

A weather station measures rainfall of 9 mm, 12 mm and 15 mm. What is the total rainfall?

(A) 33 mm
(B) 34 mm
(C) 35 mm
(D) 36 mm

Correct Answer: D

Explanation:

Total rainfall = 9 + 12 + 15 = 36 mm.

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Question (29)

QN0023490

Which weather element recorded at a station is measured in millibars (mb)?

(A) Temperature
(B) Humidity
(C) Atmospheric pressure
(D) Rainfall

Correct Answer: C

Explanation:

Atmospheric pressure is measured in millibars.

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Question (30)

QN0023491

An AWS installed at a glacial lake can be especially useful because it:

(A) Provides early weather information
(B) Produces rainfall
(C) Controls glacier movement
(D) Increases humidity

Correct Answer: A

Explanation:

Early weather information helps in monitoring hazardous conditions.

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Question (21)

Which weather station feature reduces the need for human intervention?

Explanation:

Link:

Question (22)

A weather station records rainfall of 5 mm and 17 mm on two days. What is the total rainfall?

Explanation:

Link:

Question (23)

Why are weather station readings collected regularly rather than once a year?

Explanation:

Link:

Question (24)

A weather station records humidity levels of 60% and 78%. By how many percentage points did humidity increase?

Explanation:

Link:

Question (25)

Which sector depends heavily on weather station data for safe aircraft operations?

Explanation:

Link:

Question (26)

An AWS records a maximum temperature of 36°C and minimum temperature of 24°C. What is the mean daily temperature?

Explanation:

Link:

Question (27)

The data collected at weather stations are useful because they are:

Explanation:

Link:

Question (28)

A weather station measures rainfall of 9 mm, 12 mm and 15 mm. What is the total rainfall?

Explanation:

Link:

Question (29)

Which weather element recorded at a station is measured in millibars (mb)?

Explanation:

Link:

Question (30)

An AWS installed at a glacial lake can be especially useful because it:

Explanation:

Link:

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