Dew Point And Relative Humidity Question Preview (ID: 56757)

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What is the dewpoint temperature when the dry-bulb temperature is 14°C and the wet-bulb temperature is 10°C?

a) -17°C

b) 6°C

c) 3°C

d) 4°C

Which weather change usually occurs when the difference between the air temperature and the dewpoint temperature is decreasing?

a) The amount of cloud cover decreases.

b) The probability of precipitation decreases.

c) The relative humidity increases.

d) The barometric pressure increases.

A student using a sling psychrometer measured a wet-bulb temperature of 10°C and a dry-bulb temperature of 16°C. What was the dewpoint?

a) –10°C

b) 45°C

c) 6°C

d) 4°C

Based on the temperatures shown, the relative humidity is

a) 19%

b) 2%

c) 33%

d) 40%

What were the relative humidity and air temperature at noon on this day?

a) 47% and 32°F

b) 65% and 32°F

c) 47% and 48°F

d) 65% and 48°F

When the dry-bulb temperature is 14°C and the wet-bulb temperature is 8°C, the relative humidity is

a) 6%

b) 22%

c) 25%

d) 41%

Which statement best describes the relationship between relative humidity and air temperature as shown by the graph?

a) Relative humidity decreases as air temperature decreases.

b) Relative humidity decreases as air temperature increases.

c) Relative humidity increases as air temperature increases.

d) Relative humidity remains the same as air temperature decreases.

A parcel of air has a dry-bulb temperature reading of 16°C and a wet-bulb temperature reading of 13°C. What is the relative humidity?

a) 11%

b) 13%

c) 71%

d) 80%

What is the dewpoint temperature when the dry-bulb temperature is 12°C and the wet-bulb temperature is 7°C?

a) 1°C

b) -2°C

c) -5°C

d) 4°C

If air has a dry-bulb temperature of 2°C and a wet-bulb temperature of –2°C, what is the relative humidity?

a) 11%

b) 20%

c) 36%

d) 67%

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