What is the relationship between temperature and density?

As temperature increases, density decreases

As temperature decreases, density decreases

There is no relationship between density and temperature

As temperature increases, density increases

What is the correct meaning of the term hypoxia?

Hypoxia is a state of oxygen deficiency in blood and cells sufficient to cause impairment

Hypoxia is a state of disorientation in space and may result in unintended flying manoeuvres

Hypoxia is what happens when oxygen exceeds hydrogen in the aeroplane

Hypoxia is a state of unconsciousness

What is the definition of QNH?

Local pressure reduced to MSL according to ISA atmosphere

The indicated altitude when 1013.25 hPa is set in the altimeter

The barometric pressure at the level of an aerodrome

Which statement is correct regarding the International Standard Atmosphere?

MSL pressure is 1013.25 hPa and base temperature is 15°C

MSL pressure is 1013.25 hPa and base temperature is -56,5°C

MSL pressure is 1013.25 hPa and base temperature is 13°C

MSL pressure is 1,225 hPa and base temperature is 15°C

How does temperature vary in the troposphere?

Temperature decreases with altitude

Temperature first decreases and then increases with altitude

Temperature increases with altitude

What is the relationship between pressure and height?

The higher the height, the lower the pressure

Pressure is constant regardless of height

There is no relationship between pressure and height

The higher the height, the higher the pressure

What is ISA an abbreviation for?

International Standard Atmosphere

What is the composition of the lower atmosphere?

78% Nitrogen, 21% oxygen and 1% other gases

78% hydrogen, 21% oxygen, 1 % other gases

78% oxygen, 21% Hydrogen, 1% other gases

78% oxygen, 21 Nitrogen, 1% other gases

When isobars are close together on a pressure gradient map, what does this tell us?

The low pressure system in on the left

How does the height of the tropopause vary with latitude (in the northern hemisphere)?

The height normally decreases from south to north

The height normally increases from south to north

The height increases with higher longitude

It remains more or less constant with latitude

Why is air pressure important to aviation?

If wrong setting - incorrect altitude

If wrong setting - incorrect speed

If wrong setting - higher speed

If wrong setting - possibility to stall

What is meant by the term latent heat?

Heat released or absorbed during the change of state of e.g. water

Heat released or absorbed during conduction

Heat released or absorbed during radition

Heat released or absorbed during supercooling

What is the relationship between density and temperature?

The lower the temperature the higher the density

The higher the temperature, the higher the density

There is no direct relationship between density and temperature

The lower the temperature, the lower the pressure

What is meant by supercooling?

When a water droplet remains liquid at below freezing temperatures

When water is cooled very quickly

When water freezes very quickly

When the water droplet is above freezing temperature, but the air is freezing

What is meant by conduction?

Heat transfer between 2 objects that are in direct contact with each other

Heat transfer due to horizontal movement of air

Heat transfer due to emission of electromagnetic waves

Heat transfer due to upwards currents of air

What is meant by dew point temperature?

The temperature at which air will be saturated

The temperature supercooling occur

The temperature where relative humidity is 0%

The temperature where sublimation occur

What is meant by sublimation?

When ice changes directly to water vapour

When vater vapour changes to liquid water

When ice changes to liquid water

When liquid water changes to water vapour

What is a temperature inversion?

Temperature rises with altitude

Temperature sinks according to the dry adiabatic lapse rate

Temperature sinks by 3°C per 1000 FT

Temperature sinks with 1,98°C per 1000 FT

How is relative humidity affected by air temperature?

Warm air can hold more water vapour than cold air

Cold air can hold more water vapour than warm air

Cold air is more humid than warm air

Air can hold 1,225 g/m3 water regardless of temperature

What is the definition of adiabatic cooling or heating?

A temperature change of air due to compression or expansion, and with no external heat transfer

A temperature change of air due to convection and advection

A temperature change of air due to radiation

A temperature change of air due to the release of latent heat

What is the principle of adiabatic cooling?

Rising air cools because it expands

Rising air cools because it becomes more moist

Rising air cools because it is cooled by the surrounding air

Rising air cools because it contracts

What is the principle of convection?

Warm air is lighter than cold air, and rises up

Warm air is denser than cold air, and sinks down

Warm air is denser than cold air, and rises up

Warm air is moving horizontally and replaces cold air

When warm air rises and expands, the density of a given mass of air will be what?

Lower, because the gas expands and increases in volume

Lower, because the gas contracts and decreases in volume

Higher, because the gas expands and increases in volume

Higher, because the gas contracts and decreases in volume

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MET1352

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Practice Problem

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FREE Resource

97 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is advection fog formed?

Warm and moist air moves over cooler surfaces and is cooled below saturation temperature

By the cooling of land after sunset by thermal radiation in calm conditions with clear sky

When winds blow air up a slope and adiabatically cooling it as it rises, and causing the moisture in it to condense

When cold air is warmed from below, and it condensate as it rises

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Where does meteorological information come from?

Passenger reports

Aircraft reports

Weather radar

Airport equipment

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which unit of measurement is used to indicate air pressure for international meteorological purposes?

hPa

Kg/m3

psi

KPa

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

VAAC (Volcanic Ash Advisory Centre) issues warnings in the form of NOTAM and SIGMET messages.

True

False

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following weather phenomena could most likely be the reason for aircraft accidents?

Reduced visibility

Thunderstorm

Earthquake

Turbulence

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What temperature scale is used for international meteorological purposes?

Celsius

Kelvin

Réaumur

Fahrenheit

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What instrument is used to measure wind?

Anemometer

Barometer

Transmissometer

Ceilometer

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MET1352

97 questions

How is advection fog formed?

Where does meteorological information come from?

Which unit of measurement is used to indicate air pressure for international meteorological purposes?

VAAC (Volcanic Ash Advisory Centre) issues warnings in the form of NOTAM and SIGMET messages.

Which of the following weather phenomena could most likely be the reason for aircraft accidents?

What temperature scale is used for international meteorological purposes?

What instrument is used to measure wind?

Which instrument is used to measure visibility and RVR?

What is measured by the ceilometer?

Cloud coverage is reported in hectas.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Fun

MET1352

97 questions

How is advection fog formed?​​​

Where does meteorological information come from?

Which unit of measurement is used to indicate air pressure for international meteorological purposes?

VAAC (Volcanic Ash Advisory Centre) issues warnings in the form of NOTAM and SIGMET messages.

​Which of the following weather phenomena could most likely be the reason for aircraft accidents?

What temperature scale is used for international meteorological purposes?​

What instrument is used to measure wind?​​​

Which instrument is used to measure visibility and RVR?​

What is measured by the ceilometer?

Cloud coverage is reported in hectas.​

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Fun

How is advection fog formed?

Which of the following weather phenomena could most likely be the reason for aircraft accidents?

What temperature scale is used for international meteorological purposes?

What instrument is used to measure wind?

Which instrument is used to measure visibility and RVR?

Cloud coverage is reported in hectas.