Jet Streams

1.       The arbitrary lower limit of jet core velocity has been assigned by WMO as

a.    60 kt

b.      60 m/s

c.      70 m/s

2.       Jet stream has

a.      one maxima

b.    one or more maxima

c.      only two maxima

3.       The vertical wind shear in a Jet stream is about

a.    5m/s/ km

b.      6m/s/km

c.      8m/s/km

4.       Compared to horizontal wind shear the vertical wind shear in a Jet stream is

a.      weaker

b.    stronger

c.      same

5.       In a jet stream, the path of the maximum speed is known as

Wind

1.       In S hemisphere if an observer faces wind, low will be to his

a.      Right

b.    Left

2.       In N hemisphere due to rotation of earth winds are deflected to

a.      Left

b.    Right

3.       Local Winds follow Buys Ballots law

a.    False

b.      True

4.       Coriolis force acts perpendicular towards             of wind direction