atmosphere & climatology section 8 MCQ Questions & Answers Detailed Explanation

Answer: (d)

The amount of water vapour in the air at any given time is usually less than that required to saturate the air. The relative humidity is the percent ofsaturation humidity, generally calculated in relation to saturated vapour density.

Answer: (c)

Answer: (a)

1. The Brickfielder is a hot and dry wind in the desert of Southern Australia that occurs in the summer season.
2. The term Sirocco (sometimes also spelt Scirocco) is an all-inclusive name given to hot and subsequently humid southeast to southwest winds originating as hot, dry desert-air over Northern Africa, flowing northward into the southern Mediterranean basin.
3. Berg wind is the South African name for a katabatic wind: a hot dry wind blowing down the Great Escarpment from the high central plateau to the coast.
4. A Texas Norther, also known as a blue norther, is a cold front in the U.S. state of Texas, marked. Wind chill due to a combination of cold temperatures and strong winds is dangerous to anyone who is caught unaware and unprepared for it.

Answer: (a)

In a cyclone the area of low pressure is at the centre surrounded by the areas of high pressure.

Answer: (b)

Answer: (c)

Hurricane Katrina was the deadliest and most destructive Atlantic hurricane of the 2005 Atlantic hurricane season. It was the costliest natural disaster, as well as one of the five deadliest hurricanes, in the history of the United States.

At least 1,833 people died in the hurricane and subsequent floods, making it the deadliest U.S. hurricane since the 1928 Okeechobee hurricane.