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Question (31)

QN0023412

Relative humidity of completely saturated air is:

(A) 0%
(B) 25%
(C) 50%
(D) 100%

Correct Answer: D

Explanation:

Air saturated with water vapour has 100% relative humidity.

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Question (32)

QN0023413

Dry weather usually has relative humidity between:

(A) 0%–10%
(B) 20%–40%
(C) 60%–80%
(D) 80%–100%

Correct Answer: B

Explanation:

Dry weather generally falls in the 20%–40% humidity range.

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Question (33)

QN0023414

Humid weather usually has relative humidity between:

(A) 20%–40%
(B) 40%–50%
(C) 60%–80%
(D) 90%–100%

Correct Answer: C

Explanation:

Humid weather usually ranges between 60% and 80% relative humidity.

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Question (34)

QN0023415

Delhi has 52% humidity while Kochi has 84% humidity. Wet clothes will dry faster in:

(A) Kochi
(B) Delhi
(C) Both equally
(D) Cannot be determined

Correct Answer: B

Explanation:

Lower humidity allows faster evaporation, so clothes dry faster in Delhi.

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Question (35)

QN0023416

If two places have the same temperature, a person is likely to sweat more in the place with:

(A) Lower humidity
(B) Higher humidity
(C) Lower pressure
(D) Less rainfall

Correct Answer: B

Explanation:

High humidity slows evaporation of sweat, making a person feel sweatier.

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Question (36)

QN0023417

Which instrument is used to measure humidity?

(A) Hygrometer
(B) Barometer
(C) Thermometer
(D) Rain gauge

Correct Answer: A

Explanation:

A hygrometer measures humidity in the air.

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Question (37)

QN0023418

An Automated Weather Station (AWS) is best described as:

(A) A machine that measures only rainfall
(B) A self-operating system that records weather data using sensors
(C) A manual weather-recording notebook
(D) A device used only in airports

Correct Answer: B

Explanation:

AWS automatically records multiple weather elements using sensors.

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Question (38)

QN0023419

A weather station records a maximum temperature of 34°C and a minimum temperature of 22°C. What is the mean daily temperature?

(A) 12°C
(B) 28°C
(C) 56°C
(D) 34°C

Correct Answer: B

Explanation:

Mean = (34 + 22) ÷ 2 = 28°C.

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Question (39)

QN0023420

A week's highest temperature was 32°C and the lowest was 14°C. What was the temperature range for the week?

(A) 18°C
(B) 46°C
(C) 28°C
(D) 14°C

Correct Answer: A

Explanation:

Range = 32 − 14 = 18°C.

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Question (40)

QN0023421

Accurate weather predictions are especially important because they help:

(A) Increase atmospheric pressure
(B) Prevent evaporation
(C) Prepare people and governments for extreme weather events
(D) Reduce humidity levels

Correct Answer: C

Explanation:

Weather forecasts help people prepare for floods, droughts, storms and cyclones.

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Question (31)

Relative humidity of completely saturated air is:

Explanation:

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Question (32)

Dry weather usually has relative humidity between:

Explanation:

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Question (33)

Humid weather usually has relative humidity between:

Explanation:

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Question (34)

Delhi has 52% humidity while Kochi has 84% humidity. Wet clothes will dry faster in:

Explanation:

Link:

Question (35)

If two places have the same temperature, a person is likely to sweat more in the place with:

Explanation:

Link:

Question (36)

Which instrument is used to measure humidity?

Explanation:

Link:

Question (37)

An Automated Weather Station (AWS) is best described as:

Explanation:

Link:

Question (38)

A weather station records a maximum temperature of 34°C and a minimum temperature of 22°C. What is the mean daily temperature?

Explanation:

Link:

Question (39)

A week's highest temperature was 32°C and the lowest was 14°C. What was the temperature range for the week?

Explanation:

Link:

Question (40)

Accurate weather predictions are especially important because they help:

Explanation:

Link:

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