PSTAR Aviation Weather and Meteorology

Question 1

What weather phenomenon is associated with a rapidly rising cumulus cloud with a dark base and anvil-shaped top?

Accepted Answer

Cumulonimbus

Answer

Stratus cloud

Answer

Altostratus

Answer

Cirrostratus

Question 2

What is the primary cause of wind shear near the ground?

Accepted Answer

Temperature inversion

Answer

High humidity

Answer

Low barometric pressure

Answer

High cloud cover

Question 3

What is the dewpoint?

Accepted Answer

The temperature at which air becomes saturated and condensation begins

Answer

The temperature at which water freezes

Answer

The maximum temperature reached during the day

Answer

The temperature of the ground surface

Question 4

What type of fog forms when warm, moist air moves over a cooler surface?

Accepted Answer

Advection fog

Answer

Radiation fog

Answer

Upslope fog

Answer

Steam fog

Question 5

What wind condition is associated with a mountain wave?

Accepted Answer

Strong winds blowing perpendicular to a mountain ridge

Answer

Calm winds at all altitudes

Answer

Winds parallel to mountain ranges

Answer

Light variable winds

Question 6

What is the standard lapse rate of temperature in the atmosphere?

Accepted Answer

2°C per 1,000 feet

Answer

1°C per 1,000 feet

Answer

3°F per 1,000 feet

Answer

4°F per 1,000 feet