19.3/19.4 1. The relative humidity (for a given volume of air), expressed as a d

Question

19.3/19.4 1. The relative humidity (for a given volume of air), expressed as a decimal fraction, is A) the actual water vapor content divided by the maximum water vapor content. B) the maximum water vapor content divided by the actual water vapor content. C) the air temperature divided by the dew point temperature. D) the dew point temperature divided by the air temperature. 2. Wind speed is measured by means of A) a psychrometer. B) an anemometer C) a wind vane. D) a barometer. 3. Precipitation is measured with A) a psychrometer. B) an anemometer. C) a rain gauge. D) a barometer. 4. Doppler radar is replacing conventional radar in weather forecasting because A) it can measure wind speeds. B) Doppler radar is widely used in police cars. C) it is cheaper. D) government agencies are required to use the latest equipment. 5. The horizontal movement of air is called A) an anticyclone. B) wind. C) air currents. D) a hurricane. 6. Land and sea breezes result from A) the Coriolis force B) convection cycles. C) low-pressure areas. D) high-pressure areas. 7. What instrument is used to measure relative humidity? A) Anemometer B) Barometer C) Wind vane D) Psychrometer

Explanation / Answer

1) A

2) B

3) C

4) A

5) B

6) D

7) D

8) A

9) C

10) A

11) D

12) B

13) C

14) A

15) D

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