Question 1

A steel needle,though denser than water,can float lengthwise on a surface of water.This is possible due to

Accepted Answer

A)  specific heat.
B)  kinetic energy.
C)  surface tension.
D)  capillarity.
E)  meniscus.F) A) and E)
G) C) and E)

Question 2

Saturation specific humidity at various temperatures.Saturation specific humidity is the maximum possible water vapor in a mass of water vapor per unit mass of air (g/kg) .

If a kilogram of air at 20°C (68°F) has a specific humidity of 7.5 g/kg,the relative humidity is

Accepted Answer

A)  10%.
B)  25%.
C)  50%.
D)  75%.
E)  100%.F) A) and C)
G) A) and E)

Question 3

High altitude wispy clouds made of ice crystals are classed as

Accepted Answer

A)  cumuliform.
B)  cirroform.
C)  stratiform.
D)  stratocumuliform.
E)  nimbocirroform.F) All of the above
G) C) and D)

Question 4

The difference between the dry adiabatic rate and the moist adiabatic rate is on account of

Accepted Answer

A)  the latent heat of condensation.
B)  less atmospheric pressure.
C)  altitudinal temperature differences.
D)  the specific heat of water.
E)  buoyance of a parcel of air.F) A) and D)
G) B) and C)

Question 5

Relative humidity is

Accepted Answer

A)  the amount of water vapor in the air compared to the average amount.
B)  the amount of moisture in the air relative to your one's senses.
C)  the amount of water vapor in the air relative to the water vapor capacity of the air.
D)  the amount of water in the air per volume of air.
E)  a basically unused concept when it comes to weather topics.F) A) and B)
G) All of the above

Question 6

Latent Energy absorbed and released during phase changes of water

Which of the following is true regarding the evaporation of water?

Accepted Answer

A)  It requires the addition of 540 cal for each gram under normal sea level pressure.
B)  It requires the loss of 540 cal for each gram under normal sea level pressure.
C)  It requires the addition of 100 cal for each gram under normal sea level pressure.
D)  It requires the loss of 100 cal for each gram under normal sea level pressure.
E)  No latent energy is released or absorbed.F) None of the above
G) B) and D)

Question 7

Which of the following normally would be true of the humidity above the hot,moist,tropical rain forests of the world?

Accepted Answer

A)  The specific humidity would be low.
B)  The relative humidity would be high.
C)  The relative humidity would always equal the specific humidity.
D)  The saturation vapor pressure would be low.
E)  It is not possible to know with this information alone.F) B) and E)
G) All of the above

Question 8

In winter,freezing water can break pipes and even crack engine blocks.Why does this happen?

Accepted Answer

A)  Water expands in volume as it freezes.
B)  Ice is denser than water.
C)  Water contracts as it cools and freezes.
D)  It occurs because of the latent heat of fusion.
E)  Ice is impure and causes corrosion.F) A) and B)
G) A) and C)

Question 9

Which type of cloud would dominate the weather in a region under the ITCZ?

Accepted Answer

A)  cirrus
B)  altostratus
C)  cumulonimbus
D)  cirrocumulus
E)  altocumulusF) A) and B)
G) B) and C)

Question 10

What is atmospheric stability? What are adiabatic processes and how they are related to atmospheric stability?

Accepted Answer

Stability is the tendency of an air parc...

Question 11

When temperatures are below freezing,the temperature at which air becomes saturated leading to the formation of frost is the

Accepted Answer

A)  dew point.
B)  frost point.
C)  absolute humidity.
D)  relative humidity.
E)  lifting condensation point.F) D) and E)
G) None of the above

Question 12

Which of the following is true regarding cirrostratus clouds?

Accepted Answer

A)  They are uniform,featureless,and grey like high fog.
B)  The Sun's outline is just visible through these clouds.
C)  They form a veil of ice crystals that creates a halo around the Moon or Sun.
D)  They are sharply outlined,and billowy.
E)  They are high altitude clouds with a puffy appearance.F) A) and C)
G) B) and C)

Question 13

Vertically developed puffy and globular clouds are classed as

Accepted Answer

A)  cumuliform.
B)  cirroform.
C)  stratiform
D)  stratocumuliform.
E)  nimbocirroform.F) A) and B)
G) B) and E)

Question 14

Condensation nuclei over the ocean consist primarily of

Accepted Answer

A)  pieces of coral.
B)  minute fragments of sea shells.
C)  salt particles.
D)  clay particles.
E)  soot.F) All of the above
G) B) and C)

Question 15

Ice pellets larger than 0.5 cm (0.20 in) that form within a cumulonimbus cloud are known as

Accepted Answer

A)  rain.
B)  snow.
C)  sleet.
D)  frost.
E)  hail.F) A) and D)
G) None of the above

Question 16

Clouds that have vertical development and produce thunderstorms are called

Accepted Answer

A)  stratocumulus.
B)  cumulonimbus.
C)  nimbostratus.
D)  cumulus.
E)  cirrostratus.F) C) and D)
G) B) and C)

Question 17

The upward movement of water against gravity is called

Accepted Answer

A)  adhesion.
B)  surface tension.
C)  capillary action.
D)  vacuum suction.
E)  cohesion.F) A) and C)
G) D) and E)

Question 18

When water condenses,it _____heat energy and _____the surrounding air.

Accepted Answer

A)  absorbs;cools
B)  absorbs heats
C)  releases;cools
D)  releases;heats
E)  absorbs;has no impact onF) B) and D)
G) A) and D)

Question 19

The wet adiabatic rate is____ than the dry adiabatic rate because ____.

Accepted Answer

A)  greater;condensation heats the air
B)  greater;condensation cools the air
C)  less;condensation heats the air
D)  less;condensation cools the air
E)  same as;no phase change of water occursF) B) and C)
G) C) and D)

Question 20

Out of all the water present in the Earth systems _____ ,is stored in the atmosphere.

Accepted Answer

A)  less than 0.03%
B)  approximately 2%
C)  a variable amount,but averaging 50%
D)  15%
E)  ~3% at the equator and ~1% at the polesF) B) and D)
G) B) and C)

Exam 6: Water and Atmospheric Moisture

The difference between the dry adiabatic rate and the moist adiabatic rate is on account of

Correct AnswerverifiedShow Answer

The upward movement of water against gravity is called

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Condensation nuclei over the ocean consist primarily of

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A steel needle,though denser than water,can float lengthwise on a surface of water.This is possible due to

Correct AnswerverifiedShow Answer

Clouds that have vertical development and produce thunderstorms are called

Correct AnswerverifiedShow Answer

High altitude wispy clouds made of ice crystals are classed as

Correct AnswerverifiedShow Answer

Relative humidity is

Correct AnswerverifiedShow Answer

Which of the following is true regarding cirrostratus clouds?

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The wet adiabatic rate is____ than the dry adiabatic rate because ____.

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Saturation specific humidity at various temperatures.Saturation specific humidity is the maximum possible water vapor in a mass of water vapor per unit mass of air (g/kg) . If a kilogram of air at 20°C (68°F) has a specific humidity of 7.5 g/kg,the relative humidity is

Correct AnswerverifiedShow Answer

What is atmospheric stability? What are adiabatic processes and how they are related to atmospheric stability?

Correct AnswerverifiedStability is the tendency of an air parc...View AnswerShow Answer

Which of the following normally would be true of the humidity above the hot,moist,tropical rain forests of the world?

Correct AnswerverifiedShow Answer

In winter,freezing water can break pipes and even crack engine blocks.Why does this happen?

Correct AnswerverifiedShow Answer

When water condenses,it _____heat energy and _____the surrounding air.

Correct AnswerverifiedShow Answer

Which type of cloud would dominate the weather in a region under the ITCZ?

Correct AnswerverifiedShow Answer

Vertically developed puffy and globular clouds are classed as

Correct AnswerverifiedShow Answer

When temperatures are below freezing,the temperature at which air becomes saturated leading to the formation of frost is the

Correct AnswerverifiedShow Answer

Out of all the water present in the Earth systems _____ ,is stored in the atmosphere.

Correct AnswerverifiedShow Answer

Latent Energy absorbed and released during phase changes of water Which of the following is true regarding the evaporation of water?

Correct AnswerverifiedShow Answer

Ice pellets larger than 0.5 cm (0.20 in) that form within a cumulonimbus cloud are known as

Correct AnswerverifiedShow Answer

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The wet adiabatic rate is than the dry adiabatic rate because .

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Stability is the tendency of an air parc...
View Answer

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When water condenses,it _heat energy and _the surrounding air.

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