Weather Quiz #1 Question Preview (ID: 1239)


Instruments, Pressure, Isobars,R.H. & Dewpoint... TEACHERS: click here for quick copy question ID numbers.

Which instrument is used to measure pressure?
a) sling psychrometer
b) thermometer
c) barometer
d) anemometer

When the distance between isobars on a weather map increases, wind velocity
a) increases
b) decreases
c) changes direction
d) stays the same

Which instrument is used to measure wind velocity?
a) wind vane
b) sling psychrometer
c) anemometer
d) barometer

The difference in air pressure between 2 locations is called the
a) relative humidity
b) dewpoint
c) pressure gradient
d) dry bulb temperature

30.15 inches of mercury is equal to how many millibars?
a) 121.0
b) 1024.5
c) 1021.0
d) 1012.0

As altitude increases, air pressure
a) increases
b) decreases
c) remains the same
d) increases, then decreases

What is the Relative Humidity when the wet-bulb temp. is16 C and the dry bulb temp. is 20 C?
a) 11 C
b) 64 C
c) 14 C
d) 66 C

What is the dewpoint when the dry bulb temp. is 28 C and the wet bulb temp. is 22 C?
a) 14 C
b) 17 C
c) 19 C
d) 12 C

The ratio between how much water vapor the air is holding and how much it is capable of holding at a certain temp. is called the
a) dry-bulb temperature
b) dewpoint
c) psychrometer reading
d) relative humidity

At an ocean shoreline during the daytime,
a) High pressure is over both land and water
b) High pressure is over the land and low pressure is over the water
c) Low pressure is over the land and High pressure is over the water
d) Low pressure is over both land and water

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