AIR MASSES, FRONTS AND WESTERN DISTURBANCES

1.       The air mass which originates at sea in low Latitudes is called

a.    Polar maritime

b.      Tropical continental

c.      Tropical maritime

2.       The air mass which originates over equatorial region is

a.      Warm & dry

b.    Warm & Moist

c.      Cold & dry

3.       If the advancing cold front is colder than the cool air mass of the warm front, the advancing cold front undercuts and lifts both the warm and cool air masses  of the warm front. This is

a.    Warm Occlusion

b.      Cold Occlusion

4.       The airmass which originated over land area located in polar region:

a.      Warm & dry

b.      Warm & Moist

c.    Cold & dry

5.       If a warm airmass overtakes a cold air mass, it is called

a.      Cold Front

b.    Warm Front

c.      Occluded Front

6.       At warm front

Vertical Motion And Clouds

1.       Drizzle occurs from

a.      CS

b.    ST

c.      NS

d.      CU

2.       Altostratus (AS) is

a.      Low cloud of sheet type

b.    A medium cloud of sheet type

c.      A cloud of large vertical growth

d.      A high cloud of sheet type

3.       Showers occurs from

a.      CU

b.    CB

c.      AS

d.      AC

4.       Heavy icing is possible in

a.      CI

b.      CS

c.      ST

d.    CB

5.       To avoid icing in cloudy conditions, a pilot is advised to fly through a cloud which shows an optical phenomena