Test #1
Please use the answer sheet. Each has 2.5 points.
1) Mesopouse is located at around ................. km above the Earth's surface.
a) 10
b) 20
c) 50
d) 80
2) Venus is....... than the Earth and its atomsphere is ..... than the Earth.
a) bigger, thicker
b) samller, thicker
c) bigger, thinnier
d) smaller, thinner
3) ............... is not a primary air pollutant.
a) Ozone
b) Carbon monoxide
c) Hydrocarbons
d) Nitrogen oxide
4) ........ is mainly composed of methane and nitrogen.
a) Mars
b) Jupiter
c) Neptune
d) Uranus
5) For a raindrop of 3 millimeters in diameter, the size parameter is ..... at X-band.
a) π0.1
b) π0.01
c) π0.05
d) π00.005
6) 59°F corresponds to ............ °C.
a) 10
b) 15
c) 20
d) 25
7) When the cooling degree day is 25°F and the minimum temperature is 80°F, the maximum
temperature is .....°F.
a) 75
b) 85
c) 90
d) 100
8) The frequency of 300 MHz corresponds to the wavelenght of......centimeters.
a) 100
b) 10
c) 300
d) 30
9) In the absence of greenhouse gases, the mean temperature of the Earth is .....C.
a) 33
b) 15
c) -18
d) 0
10) 3 mm corresponds to ......... Dobson units.
a) 0.03
b) 0.3
c) 30
d) 300
11) UV index 6 corresponds to ....... level.
a) high
b) moderate
c) extreme
d) very high
12) ............absorbs solar infrared radiation.
a) Ozone
b) Carbon dioxide
c) Water vapor
d) Oxygen
13)Rain becomes acidic when the pH factor is less than.......
a) 10
b) 8
c) 5
d) 7
14) The average surface temperature of Mars is -60°C, it radiates its maximum radiation at ........micrometers.
a) -60/2897
b) 213/2897
c) 2897/-60
d) 2897/213
15) FM operates at..........
a) 88-108 MHz
b) 148.5-283.5 KHz
c) 3-30 MHz
d) 520-1610 KHz
16) A 10 kg substance has the potential energy of ..... Joule at 2 m height (gravitational constant = 10 m/sec²).
a) 100
b) 200
c) 50
d) 500
17) A person who begins to ture pink in 10 minutes needs SPF of ........ for a sun protection of 2 hours.
a) 18
b) 12
c) 24
d) 36
18) A weather radar that operates at 10 cm wavelength corresponds to .... band.
a) S-band
b) L-band
c) C-band
d) X-band
19) The kinetic energy of 10 kilgrams of air moving at 2 m/sec is .......joules.
a) 20
b) 10
c) 40
d) 2
20) Consider all the planets as a blackbody. .......... emits less radiation than Jupiter.
The surface temperature of Jupiter is -103°C.
a) Venus (suface temperature =480°C)
b) Earth (surfave temperature=15°C)
c) Uranus (surface temperature= -214°C)
d) Mars (surface temperature= -60°C)
21) The hour angle at 3 pm is ........degrees.
a) +45
b) -45
c) +30
d) -30
22) The declination angle on January 1 is ...... degrees.
a) 0
b) 22.0
c) -23.0
d) 7
23) The length of the day is a function of ......... and .........
a) longitude, declination angle
b) latitude, declination angle
c) longitude, hour angle
d) latitude, hour angle
24) The average albedo of the ocean surface is ...... % on a global basis.
a) 31
b) 46
c) 8
d) 82
25) The latitude of Baltimore MD is 39 deg 14 min 60 sec, which is ....... degrees
a) 39.16
b) 39.55
c) 39.25
d) 39.40
26) Venus's planetary albedo is .........%.
a) 78
b) 17
c) 7
d) 31
27) ............⇒ NO2 + O2
a) O3 + NO
b) NO2 + O
c) NO + O2
d) 2O2 + N2
28) 66 degrees 33 minutes south corresponds to .......
a) Tropic of Cancer
b) Arctic Circle
c) Tropic of Capricorn
d) Antarctic Circle
29) Free chlorine atoms combine with methane to form.........in the stratosphere.
a) ClO + CFC
b) HCl + CFC
c) ClO+ CH3
d) HCl + CH3
30) Sun radiates its maximum radiation at.......... micrometers.
a) 0.5
b) 1000
c) 1.5
d) 10
31) ..... is the total amount of energy that has been output from the sun.
a) Solar constant
b) Solar flares
c) Luminosity
d) Solar altitude
32) ..... is not related to the solar altitude.
a) hour angle
b) longitude
c) latitude
d) declination angle
33) ......... thermometers are used as part of ASOS.
a) Bimetallic
b) Thermistor
c) Thermocouple
d) Electrical resistance
34) .... in the troposphere helps to increase global warming, while .... cools the atmosphere in the stratosphere.
a) CH4, SO2
b) O3CO3
c) SO2,O3
d) CO2,CH4
35) Bow shock is a boundary around ..........
a) Corona
b) Cromosphere
c) Ionosphere
d) Magnetosphere
36) ........The average Sun-Earth distance occurs on ........
a) Janurary 3
b) October 5
c) December 21
d) July 4
37) Climate of a city is mainly characterized by.......
a) temperature and wind
b) temperature and precipitation
c) relative humidity and wind
d) relative humidity and precipitation
38) ........... is a dry continent.
a) S. America
b) Africa
c) Europe
d) N. America
39) Corona is visible only at......... and is where......originates.
a) lunar eclipse, solar flares
b) solar eclipse, solar flares
c) lunar eclipse, solar wind
d) solar eclipse, solar wind
40) Monthly mean temperature gradient is minimum at .........
a) Baltimore, MD (39 N)
b) Buenos Aires, Argentina (34 S)
c) Caracas, Venezuela (10 N)
d) Edmonton, Canada (53 N)
Please fill the blank. Each has 2.5 points.
41) Heat conductivity of solids is ......... than that of gases.
42) The sun is its northern position at .........
43) Water vapor absorbs solar .......... radiation at wavelengths greater
than 0.8 mm.
44) The earth-atmosphere system absorbs .......... of solar radiation.
45) The concentration of ozone is expressed in ..........units.
46) ............ is responsible for the white appearance of clouds.
47) Passage of one complete wave is called a ...........
48) The specific heat of liquid water is ........... cal/g ūC.
49) ............. is the ratio of heat energy used for sensible heating
to heat energy used for latent heating.
50) Solar radiation decreases with latitude more ........... than the
infrared radiation.
