The vertical movement of air is termed as (1) wind (2) air current (3) air turbulence (4) air mobility

The vertical movement of air is termed as (1) wind (2) air current (3) air turbulence (4) air mobility
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The vertical movement of air is termed as – (1) wind (2) air current (3) air turbulence (4) air mobility

Description : The vertical movement of air is termed as – (1) wind (2) air current (3) air turbulence (4) air mobility

Last Answer : (2) air current Explanation: An updraught or downdraught is the vertical movement of air as a weather related phenomenon. Better known as air current, they can be caused by differences in temperature ... lighter." Rising air is associated with turbulence as it creates a low pressure on the surface.

Which of the following conditions is worst with regard to wake vortex turbulence? a. Lights winds near the surface b. Strong winds near the surface c. Marked vertical wind shear d. Marked atmospheric turbulence near the ground

Description : Which of the following conditions is worst with regard to wake vortex turbulence? a. Lights winds near the surface b. Strong winds near the surface c. Marked vertical wind shear d. Marked atmospheric turbulence near the ground

Last Answer : a. Lights winds near the surface

The swing of a spinning cricket ball in air can be explained on the basis of (a) Sudden change in wind direction (b) Buoyancy of air (c) Turbulence caused by wind (d) Bernoulli’s theorem

Description : The swing of a spinning cricket ball in air can be explained on the basis of (a) Sudden change in wind direction (b) Buoyancy of air (c) Turbulence caused by wind (d) Bernoulli’s theorem

Last Answer : Ans:(d)

The swing of a spinning cricket ball in air can be explained on the basis of – (1) Sudden change in wind direction. (2) Buoyancy of air. (3) Turbulence caused by wind. (4) Bernoulli's theorem.

Description : The swing of a spinning cricket ball in air can be explained on the basis of – (1) Sudden change in wind direction. (2) Buoyancy of air. (3) Turbulence caused by wind. (4) Bernoulli's theorem.

Last Answer : (3) Turbulence caused by wind. Explanation: The main theory of swing bowling surrounded turbulent and laminar airflow. Laminar air separates from the surface of the ball earlier than turbulent flow air, ... towards the back; inducing a greater lift force on the turbulent airflow side of the ball.

Shortly after take-off, the altitude of the aeroplane suffers an abrupt pitch-up and IAS rapidly decreases followed quickly by a decrease in altitude. Engine indications are normal. You should suspect what and what should you do? a. Marked temperature drop; apply full power b. Loss of head wind or an increase in tail wind; apply full power c. Incipient engine failure (ignore instruments); lower the nose to gain airspeed d. Local clear air turbulence; reduce speed to VRA and ride it out

Description : Shortly after take-off, the altitude of the aeroplane suffers an abrupt pitch-up and IAS rapidly decreases followed quickly by a decrease in altitude. Engine indications are normal. You should suspect what ... to gain airspeed d. Local clear air turbulence; reduce speed to VRA and ride it out

Last Answer : b. Loss of head wind or an increase in tail wind; apply full power

The swing of a spinning cricket ball in air can be explained on the basis of (1) Sudden change in wind direction. (2) Buoyancy of air. (3) Turbulence caused by wind. (4) Bernoulli’s theorem.

Description : The swing of a spinning cricket ball in air can be explained on the basis of (1) Sudden change in wind direction. (2) Buoyancy of air. (3) Turbulence caused by wind. (4) Bernoulli’s theorem.

Last Answer : Turbulence caused by wind.

A wide inlet of the sea usually concave in shape, is termed as a: (1) Strait (2) Sound (3) Bay (4) Fjord

Description : A wide inlet of the sea usually concave in shape, is termed as a: (1) Strait (2) Sound (3) Bay (4) Fjord

Last Answer : Bay

The vertical movement of air is termed as?

Description : The vertical movement of air is termed as?

Last Answer : Air Current

The distribution of characteristic vegetation of a region is determined mainly by (1) soil, water and temperature (2) water, greenhouse effect and altitude (3) wind, water and latitude (4) sunlight, water and wind

Description : The distribution of characteristic vegetation of a region is determined mainly by (1) soil, water and temperature (2) water, greenhouse effect and altitude (3) wind, water and latitude (4) sunlight, water and wind

Last Answer : soil, water and temperature

Which one is not a non-conventional energy source? (1) Nuclear energy (2) Solar Energy (3) Wind energy (4) Tidal power

Description : Which one is not a non-conventional energy source? (1) Nuclear energy (2) Solar Energy (3) Wind energy (4) Tidal power

Last Answer : Nuclear energy

Which of the following wind is blowing from the Mediterranean sea to the North Western parts of India ? (1) Western disturbances (2) Norwesters (3) Loo (4) Mango showers

Description : Which of the following wind is blowing from the Mediterranean sea to the North Western parts of India ? (1) Western disturbances (2) Norwesters (3) Loo (4) Mango showers

Last Answer : Western disturbances

Wind rose represents (1) wind turbulance (2) wind data (3) wind pressure (4) wind temperature

Description : Wind rose represents (1) wind turbulance (2) wind data (3) wind pressure (4) wind temperature

Last Answer : wind turbulance

What is a ‘tornado’ ? (1) A very high pressure centre (2) A very low pressure centre (3) A very high ocean wave (4) A planetary wind

Description : What is a ‘tornado’ ? (1) A very high pressure centre (2) A very low pressure centre (3) A very high ocean wave (4) A planetary wind 

Last Answer : A very low pressure centre

Which one of the following is not the example of planetary winds ? (1) Monsoon (2) Trade wind (3) Land and sea breezes (4) Chinook

Description : Which one of the following is not the example of planetary winds ? (1) Monsoon (2) Trade wind (3) Land and sea breezes (4) Chinook

Last Answer : Chinook

Which of the following winds is called anti-trade wind ? (1) Chinook (2) Cyclone (3) Typhoon (4) Westerlies

Description : Which of the following winds is called anti-trade wind ? (1) Chinook (2) Cyclone (3) Typhoon (4) Westerlies

Last Answer : Chinook

Speed of wind is measured by (1) barometer (2) hygrometer (3) thermometer (4)anemometer

Description : Speed of wind is measured by (1) barometer (2) hygrometer (3) thermometer (4)anemometer

Last Answer : anemometer

Which one of the following has the highest wind velocity? (1) Typhoon (2) Hurricane (3) Cyclone (4) Tornado

Description : Which one of the following has the highest wind velocity? (1) Typhoon (2) Hurricane (3) Cyclone (4) Tornado

Last Answer : Tornado

Hydraulic Action is a type of erosion caused by (1) Running water (2) Wind (3) Glacier (4) None of these

Description : Hydraulic Action is a type of erosion caused by (1) Running water (2) Wind (3) Glacier (4) None of these

Last Answer : Running water

Mounds of sand formed by wind action are called (1) Cliffs (2) Cirques (3) Dunes (4) Hamadas

Description : Mounds of sand formed by wind action are called (1) Cliffs (2) Cirques (3) Dunes (4) Hamadas

Last Answer : Dunes

The word ‘dendritic’ is associated with— (1) wind (2) waves (3) rivers (4) glaciers

Description : The word ‘dendritic’ is associated with— (1) wind (2) waves (3) rivers (4) glaciers

Last Answer : rivers

Hanging Valley is formed due to the action of (1) Glacier (2) River (3) Ocean (4) Wind

Description : Hanging Valley is formed due to the action of (1) Glacier (2) River (3) Ocean (4) Wind

Last Answer : Glacier

Wind rose represents – (1) wind turbulence (2) wind data (3) wind pressure (4) wind temperature

Description : Wind rose represents – (1) wind turbulence (2) wind data (3) wind pressure (4) wind temperature

Last Answer : (1) wind turbulence Explanation: A Typhoons are common in the China Sea and along the margins of the west Pacific Ocean.

A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an inversion is reported at 300 feet with turbulence and wind shear. The wind just above the inversion is 090/30. What is the safest departure procedure? a. Take-off is not possible under these conditions b. Depart on runway 09 with a tailwind c. Depart runway 27 with maximum throttle during the passage through the inversion d. Depart runway 27 with as steep an ascent as possible

Description : A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an  inversion is reported at 300 feet with turbulence and wind shear. The wind just above the  ... throttle during the passage through the inversion  d. Depart runway 27 with as steep an ascent as possible

Last Answer : b. Depart on runway 09 with a tailwind

A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an inversion is reported at 300 feet with turbulence and wind shear. The wind just above the inversion is 090/30. What is the safest departure procedure? a. Take-off is not possible under these conditions b. Depart on runway 09 with a tailwind c. Depart runway 27 with maximum throttle during the passage through the inversion d. Depart runway 27 with as steep an ascent as possible

Description : A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an inversion is reported at 300 feet with turbulence and wind shear. The wind just above the ... throttle during the passage through the inversion d. Depart runway 27 with as steep an ascent as possible

Last Answer : b. Depart on runway 09 with a tailwind

Consider the following geological phenomena : I. Development of a fault II. Movement along a fault III. Impact produced by a volcanic eruption IV. Folding of rocks Which of the above causes earthquakes ? (1) I, II and III (2) II and IV (3) I, III and IV (4) I to IV

Description : Consider the following geological phenomena : I. Development of a fault II. Movement along a fault III. Impact produced by a volcanic eruption IV. Folding of rocks Which of the above causes earthquakes ? (1) I, II and III (2) II and IV (3) I, III and IV (4) I to IV

Last Answer : I, II and III 

Most of the devastating earthquakes are usually caused by (1) Eustatic movement (2) Isostatic adjustment (3) Collision of earth plates (4) Volcanic eruption

Description : Most of the devastating earthquakes are usually caused by (1) Eustatic movement (2) Isostatic adjustment (3) Collision of earth plates (4) Volcanic eruption

Last Answer : Collision of earth plates

Horizontal Mobility and Vertical Mobility.

Description : Horizontal Mobility and Vertical Mobility.

Last Answer : Differentiate between : Horizontal Mobility and Vertical Mobility.

(i) ………………. mobility stands for change of social position.  (Horizontal / Vertical / Intergenerational)

Description : (i) ………………. mobility stands for change of social position.  (Horizontal / Vertical / Intergenerational)

Last Answer : Choose the correct alternative and complete the statements : (i) . ... generation. (Vertical / Intergenerational / Intragenerational)

The largest current, because of its dark waters is known as the ‘black current’ and that is : (1) Gulf Stream (2) Kuroshio Current (3) California Current (4) Antarctic Current

Description : The largest current, because of its dark waters is known as the ‘black current’ and that is : (1) Gulf Stream (2) Kuroshio Current (3) California Current (4) Antarctic Current

Last Answer :  Kuroshio Current

The rhythmic rise and fall of ocean water twice in a day is called (1) Tide (2) Ocean current (3) Wave (4) Water cycle

Description : The rhythmic rise and fall of ocean water twice in a day is called (1) Tide (2) Ocean current (3) Wave (4) Water cycle

Last Answer : Tide

Which one of the following is a warm ocean current ? (1) Kurile (2) Canary (3) Labrador (4) Gulf Stream

Description : Which one of the following is a warm ocean current ? (1) Kurile (2) Canary (3) Labrador (4) Gulf Stream

Last Answer : Gulf Stream

The eastward continuation of the Brazil current is called: (1) South Atlantic drift (2) Counter Equatorial drift (3) West Atlantic drift (4) North Atlantic drift

Description : The eastward continuation of the Brazil current is called: (1) South Atlantic drift (2) Counter Equatorial drift (3) West Atlantic drift (4) North Atlantic drift

Last Answer : South Atlantic drift 

Which one of the following ocean currents does not occur in Atlantic Ocean ? (1) Gulf stream (2) Brazil current (3) Peru current (4) Canary current

Description : Which one of the following ocean currents does not occur in Atlantic Ocean ? (1) Gulf stream (2) Brazil current (3) Peru current (4) Canary current

Last Answer : Peru current

Which one of the following is not a cold ocean current? (1) California (2) Oyashio (3) Kuroshio (4) Ganaries

Description : Which one of the following is not a cold ocean current? (1) California (2) Oyashio (3) Kuroshio (4) Ganaries

Last Answer : Kuroshio

Which of the following is a cold ocean current ? (1) Humboldt current (2) Brazil current (3) Oyashio current (4) Canary current

Description : Which of the following is a cold ocean current ? (1) Humboldt current (2) Brazil current (3) Oyashio current (4) Canary current

Last Answer : Humboldt current

Seismic sea waves which approach the coasts at greater force are known as (1) Tides (2) Tsunami (3) Current (4) Cyclone

Description : Seismic sea waves which approach the coasts at greater force are known as (1) Tides (2) Tsunami (3) Current (4) Cyclone

Last Answer : Tsunami

Which current is responsible for increase in the temperature of the western Europe ? (1) Labrador current (2) Gulf stream (3) Canari current (4) North Equatorial current

Description : Which current is responsible for increase in the temperature of the western Europe ? (1) Labrador current (2) Gulf stream (3) Canari current (4) North Equatorial current

Last Answer : North Equatorial current

El Nino is (1) a warm ocean current (2) sea storm (3) tropical disturbance (4) another name of typhoon

Description : El Nino is (1) a warm ocean current (2) sea storm (3) tropical disturbance (4) another name of typhoon

Last Answer : a warm ocean current

Frontal Rain is caused by (1) Convection current (2) Winds from sea (3) Cyclonic activity (4) Condensation of water evaporated from mountains

Description : Frontal Rain is caused by (1) Convection current (2) Winds from sea (3) Cyclonic activity (4) Condensation of water evaporated from mountains

Last Answer : Cyclonic activity

Natural sources of air pollution are (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves

Description : Natural sources of air pollution are (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves

Last Answer : Volcanic eruptions

The fur of the animals living in colder regions (1) protects them from water (2) traps the air and keeps them warm (3) protects them from enemies (4) makes them appear beautiful

Description : The fur of the animals living in colder regions (1) protects them from water (2) traps the air and keeps them warm (3) protects them from enemies (4) makes them appear beautiful

Last Answer :  traps the air and keeps them warm

The word Biosphere refers to : (1) Zone of soil, water and air around earth capable of supporting the flora and fauna. (2) Part of earth surface which can support the flora (3) Parts of air around earth a where life can exist (4) Zone of water on earth which can support life.

Description : The word Biosphere refers to : (1) Zone of soil, water and air around earth capable of supporting the flora and fauna. (2) Part of earth surface which can support the flora (3) Parts of air around earth a where life can exist (4) Zone of water on earth which can support life.

Last Answer : Zone of soil, water and air around earth capable of supporting the flora and fauna. 

The sphere of living matter together with water, air and soil on the surface of the earth is known as (1) Lithosphere (2) Biosphere (3) Hydrosphere (4) Atmosphere

Description : The sphere of living matter together with water, air and soil on the surface of the earth is known as (1) Lithosphere (2) Biosphere (3) Hydrosphere (4) Atmosphere

Last Answer : Biosphere

Sea water is saltier than rain water because (1) rivers wash away salts from earth and pour them into the sea (2) sea beds have salt producing mines (3) sea animals are salt producing (4) the air around the sea is saltish

Description : Sea water is saltier than rain water because (1) rivers wash away salts from earth and pour them into the sea (2) sea beds have salt producing mines (3) sea animals are salt producing (4) the air around the sea is saltish 

Last Answer : rivers wash away salts from earth and pour them into the sea

Echo sounding is the tech-nique applied to— (1) measure the depth of the sea (2) measure the amplitude of sound waves (3) record earthquake waves (4) record the density of air in the atmosphere

Description : Echo sounding is the tech-nique applied to— (1) measure the depth of the sea (2) measure the amplitude of sound waves (3) record earthquake waves (4) record the density of air in the atmosphere

Last Answer :  measure the depth of the sea

The humidity of air depends on (1) Temperature (2) Location (3) Weather (4) All of the above

Description : The humidity of air depends on (1) Temperature (2) Location (3) Weather (4) All of the above

Last Answer : All of the above

Smog is a combination of (1) air and water vapour (2) water and smoke (3) fire and water (4) smoke and fog

Description : Smog is a combination of (1) air and water vapour (2) water and smoke (3) fire and water (4) smoke and fog

Last Answer : smoke and fog

(2) experience collision less frequently Explanation: When an electric field is applied, both the valence electrons and the free electrons move in the same direction. The hole direction is opposite to that of valence electron but the mobility is the same. Even for the same electric field, valence electrons cannot move as freely as the free electrons because its movement is restricted due to collisions. Therefore, the velocity of valence electrons is less compared to free electrons. In other words, the velocity of holes is less compared to free electrons. This means mobility is also less for a hole compared to free electron.

Description : (2) experience collision less frequently Explanation: When an electric field is applied, both the valence electrons and the free electrons move in the same direction. The hole direction is opposite to that ... to free electrons. This means mobility is also less for a hole compared to free electron.

Last Answer : Carbon dioxide is called a greenhouse gas because - (1) its concentration remains always higher than other gases (2) it is used in photosynthesis (3) it absorbs infrared radiation (4) it emits visible radiation

Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan (A) With greater number of blades (B) Of increased diameter (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan (A) With greater ... (B) Of increased diameter (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)