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METEO TEMA 2

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Meteorología Quiz on METEO TEMA 2, created by Iván Álamo on 04/01/2020.
Iván Álamo
Quiz by Iván Álamo, updated more than 1 year ago
Iván Álamo
Created by Iván Álamo over 4 years ago
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Resource summary

Question 1

Question
The measurement of surface temperature is made:
Answer
  • At ground level.
  • At approximately 10 metres above ground level.
  • At approximately 4 feet above ground level.
  • At approximately 4 metres above ground level

Question 2

Question
Cloud cover will reduce diurnal variation of temperature because:
Answer
  • Incoming solar radiation is partially reflected back to space and outgoing terrestrial radiation is reflected back to earth.
  • Incoming solar radiation is re-radiated back to space and atmospheric heating by convection will stop at the level of the cloud layer
  • The cloud stops the sun rays getting through to the earth and also reduces outgoing conduction.
  • Incoming solar radiation is partially reflected back to space and outgoing terrestrial radiation is mostly re-radiated from the cloud layer back to the surface.

Question 3

Question
Most accurate temperatures above the ground level are obtained by:
Answer
  • Tephigram
  • Aircraft reports
  • Temperature probes.
  • Radio sonde.

Question 4

Question
The diurnal variation of temperature is:
Answer
  • Greater over sea than overland
  • Less over desert areas than over temperate grassland.
  • Reduced anywhere by the presence of cloud.
  • Increased anywhere as wind speed increases.

Question 5

Question
Over continents and oceans, the relative temperature conditions are:
Answer
  • Warmer in winter over land, colder in summer over sea
  • Colder in winter over land, warmer in winter over sea.
  • Cold in winter over land and sea
  • Warmer in summer over land and sea.

Question 6

Question
The process of change of state from a liquid mass to a gas mass is:
Answer
  • Condensation in which latent heat is released.
  • Evaporation in which latent heat is released
  • Condensation in which latent heat is absorbed
  • Evaporation in which latent heat is absorbed by the mass

Question 7

Question
Air is classified as dry or saturated according to its relative humidity. If the relative humidity were 95% the air would be classified as
Answer
  • Conditionally saturated.
  • Not saturated.
  • Saturated
  • Dry

Question 8

Question
On a wet bulb thermometer in an unsaturated atmosphere there will be a reduction of temperature below that of the dry bulb thermometer because:
Answer
  • Heat is absorbed during the process of condensation.
  • Heat is released during the process of condensation.
  • Heat is absorbed by the thermometer during the process of evaporation
  • Heat is released from the thermometer during the process of evaporation.

Question 9

Question
Relative humidity is:
Answer
  • Air temperature over wet bulb temperature * 100.
  • Air temperature over dew point temperature * 100.
  • The actual mixing ratio of water vapour in a sample of air over the maximum mixing ratio of water vapour that this sample can contain * 100
  • The maximum amount of water vapour that a sample of air can contain over the actual amount of water vapour the sample does contain * 100.

Question 10

Question
Absolute humidity is
Answer
  • The number of water droplets in a given quantity of air
  • The mass of water vapour that a volume of air holds
  • The maximum amount of water vapour that a given quantity of air can hold.
  • The maximum number of water droplets that a given quantity of air can hold.

Question 11

Question
Wet bulb temperature would normally be lower than the dry bulb temperature because
Answer
  • condensation causes a release of latent heat.
  • evaporation causes cooling of the bulb.
  • latent heat is absorbed by the bulb thermometer.
  • of condensation on the muslin wick of the bulb

Question 12

Question
The wet bulb temperature
Answer
  • Is measured using a hydromete
  • Is the minimum temperature to which a thermometer bulb can be cooled by the evaporation of water
  • Measures the dew point of air
  • Is the minimum temperature reached by the surface of the earth as measured by a thermometer placed 1.2 metres above the ground.

Question 13

Question
Which one of the following statements relating to atmospheric humidity is correct:
Answer
  • If the air temperature falls then the absolute humidity must increase
  • The absolute humidity is the mass of water vapour contained in unit volume of air.
  • The diurnal variation of dewpoint temperature is greatest when skies are clear at night
  • The dewpoint temperature is the temperature indicated by the wet bulb thermometer.

Question 14

Question
When condensation takes place, the higher temperature, the _____ the amount of latent heat_____:
Answer
  • lesser released
  • grater absorbed
  • greater released
  • lesser absorbed

Question 15

Question
When water vapour changes to ice:
Answer
  • Latent heat is absorbed.
  • Specific heat is released
  • Latent heat is released.
  • Specific heat is absorbed.

Question 16

Question
Throughout the 24hrs of a day the Relative Humidity can be expected to:
Answer
  • Increase during the day and decrease at night.
  • Stay reasonably constant throughout the 24 hours.
  • Reduce during the day and increase at night.
  • Only change with a change of airmass.

Question 17

Question
During a night with a clear sky, surface temperature will_____RH will_____ and dewpoint will_____:
Answer
  • Fall, rise rise
  • Rise, rise, fall.
  • Fall, rise, remain the same.
  • Fall, fall, remain the same

Question 18

Question
A change of state directly from a solid to a vapour or vice versa is:
Answer
  • Insolation
  • Condensation
  • Evaporation
  • Sublimation

Question 19

Question
The instrument used for measuring the humidity of air is a:
Answer
  • Hydrometer
  • Hygrometer
  • Wet bulb thermometer
  • Hygroscope

Question 20

Question
The process of change of state from a gas to a liquid is:
Answer
  • Evaporation in which latent heat is absorbed.
  • Evaporation in which latent heat is released.
  • Condensation in which latent heat is absorbed.
  • Condensation in which latent heat is released.
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