What happens to air with increased altitude?

What happens to air with increased altitude?
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Answer :

it goes throuh space
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The lift of a balloon is (A) Increased, as it rises to a higher altitude (B) Due to the weight of the atmospheric air, that it displaces (C) Not dependent on the temperature of the atmosphere (D) None of these

Description : The lift of a balloon is (A) Increased, as it rises to a higher altitude (B) Due to the weight of the atmospheric air, that it displaces (C) Not dependent on the temperature of the atmosphere (D) None of these

Last Answer : (B) Due to the weight of the atmospheric air, that it displaces

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What happens to the speed of electromagnetic energy traveling through air as the altitude increases?

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Description : What true airspeed and angle of attack should be used to generate the same amount of lift as altitude is increased? a. A higher true airspeed for any given angle of attack b. The same true ... c. A lower true airspeed and higher angle of attack d. A constant angle of attack and true airspeed

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What happens to atmospheric pressure with increase in altitude? (1) It remains constant (2) It decreases (3) It increases (4) It constantly fluctuates

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Last Answer : (2) It decreases Explanation: In most circumstances atmospheric pressure is closely approximated by the hydrostatic pressure caused by the mass of air above the measurement point. Low- ... increases, there is less overlying atmospheric mass, so that pressure decreases with increasing elevation.

What happens to its potential energy when an object is taken to high altitude? (1) Its potential energy increases (2) Its potential energy decreases (3) Its potential energy remain same (4) None of the above

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My new macbook air has a maximum operating altitude of 3000 meters / 10000 feet. Does this mean that people in La Paz, Bolivia cannot use macbook air computers?

Description : My new macbook air has a maximum operating altitude of 3000 meters / 10000 feet. Does this mean that people in La Paz, Bolivia cannot use macbook air computers?

Last Answer : answer:The problem with altitude, as far as the Macbook Air is concerned, is one of cooling. As air density decreases with altitude, the air becomes less effective at drawing heat away from the heat sink, and ... disc, and it can crash. Solid-state drives, like in your Air, don't have this problem.

One sunny afternoon, three men go for a ride on a hot air balloon over the Sahara desert. An hour into the trip, the balloon begins to lose altitude. A month later, someone found one of the ballooners laying on the desert sand dead, naked, and holding half a toothpick. What happened to him? -Riddles

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Last Answer : As the balloon lost altitude, the men took of their clothes and threw them overboard to decrease the weight of the balloon. The balloon continued to drop so the men drew straws to see who would be forced to jump. The dead man in the desert drew the shortest one (the half toothpick).

How are Air-pockets that cause aircrafts to lose altitude suddenly caused? -Do You Know?

Description : How are Air-pockets that cause aircrafts to lose altitude suddenly caused? -Do You Know?

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What would the approximate air temperature be at that altitude of The top of Mount Everest is at about 8850 m?

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Can air pressure falls drastically at high altitude?

Description : Can air pressure falls drastically at high altitude?

Last Answer : Air pressure falls of as one gains altitude. At high altitudethe air pressure is very low but it does not "falls drastically",which implies a sudden change.

What is the relationship between altitude and air temperature and air pressure?

Description : What is the relationship between altitude and air temperature and air pressure?

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If an air parcel is warmer than the air at the specified altitude then the parcel will continue to rise because warmer air is less dense and therefore buoyant. This condition best describes what?

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Can air pressure falls drastically at high altitude?

Description : Can air pressure falls drastically at high altitude?

Last Answer : Air pressure falls of as one gains altitude. At high altitudethe air pressure is very low but it does not "falls drastically",which implies a sudden change.

How are Air-pockets that cause aircrafts to lose altitude suddenly caused?

Description : How are Air-pockets that cause aircrafts to lose altitude suddenly caused?

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An aggregation of minute drops of water suspended in the air at higher altitude termed as

Description : An aggregation of minute drops of water suspended in the air at higher altitude termed as

Last Answer : Ans. Clouds

Inside an aeroplane flying at a high altitude, (a) the pressure is the same as that outside (b) normal atmospheric pressure is maintained by the use of air pumps (c) the pressure inside is less than the pressure outside (d) normal humidity and partial vacuum are maintained

Description : Inside an aeroplane flying at a high altitude, (a) the pressure is the same as that outside (b) normal atmospheric pressure is maintained by the use of air pumps (c) the pressure inside is less than the pressure outside (d) normal humidity and partial vacuum are maintained

Last Answer : Ans:(b)

The mirage is seen in a hot desert because of (a) The density of the layer of air increases with altitude (b) The density of the layer of air decreases with altitude (c) The reflection of light from the layers of sand (d) The total internal reflection from sand

Description : The mirage is seen in a hot desert because of (a) The density of the layer of air increases with altitude (b) The density of the layer of air decreases with altitude (c) The reflection of light from the layers of sand (d) The total internal reflection from sand

Last Answer : Ans:(a)

A hydrogen filled balloon rises in air because (a) The atmospheric pressure decreases with altitude (b) The acceleration due to gravity decreases with altitude (c) The density of air decreases with altitude (d) The buoyant force exerted by the air on the balloon is greater than the weight of the balloon

Description : A hydrogen filled balloon rises in air because (a) The atmospheric pressure decreases with altitude (b) The acceleration due to gravity decreases with altitude (c) The density of air decreases with ... The buoyant force exerted by the air on the balloon is greater than the weight of the balloon

Last Answer : Ans:(d)

How are Air-pockets that cause aircrafts to lose altitude suddenly caused?

Description : How are Air-pockets that cause aircrafts to lose altitude suddenly caused?

Last Answer : Temperature inversions

People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at an altitude to 5400 metres have around 8 million. This is because at high altitude (a) people eat more nutritive food, therefore more RBCs are formed (b) people get pollution-free air to breath and more oxygen is available (c) atmospheric O2 level is less and hence more RBCs are needed to absorb the required amount of O2 to survive (d) there is more UV radiation which enhances RBC production.

Description : People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at an altitude to 5400 metres have around 8 million. This is because at high altitude ... required amount of O2 to survive (d) there is more UV radiation which enhances RBC production.

Last Answer : (c) atmospheric O2 level is less and hence more RBCs are needed to absorb the required amount of O2 to survive

The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the (A) Ionosphere (B) Troposphere (C) Stratosphere (D) None of these

Description : The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the (A) Ionosphere (B) Troposphere (C) Stratosphere (D) None of these

Last Answer : (B) Troposphere

Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be (A) More (B) Less (C) Same (D) Either more or less; depends on the climatic conditions

Description : Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be (A) More (B) Less (C) Same (D) Either more or less; depends on the climatic conditions

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A supercharger is used in the engines of earthmoving machines at higher altitudes because (a) The ambient atmospheric pressure is less at higher altitudes (b) Four-cycle engines depend on the suction of the engines for the supply of air (c) Two-cycle engines are not rugged enough for higher altitude (d) The ambient temperature is less as the altitude is higher

Description : A supercharger is used in the engines of earthmoving machines at higher altitudes because (a) The ambient atmospheric pressure is less at higher altitudes (b) Four-cycle engines depend on the suction ... rugged enough for higher altitude (d) The ambient temperature is less as the altitude is higher

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How does a pilot react to heavy freezing rain at 2,000ft/AGL, when he is unable to deice nor land? a. He ascends to the cold air layer above b. He continues to fly at the same altitude c. He turns back before the aircraft loses maneuverability d. He descends to the warm air layer below

Description : How does a pilot react to heavy freezing rain at 2,000ft/AGL, when he is unable to deice nor  land?  a. He ascends to the cold air layer above  b. He continues to fly at the same altitude  c. He turns back before the aircraft loses maneuverability  d. He descends to the warm air layer below

Last Answer : c. He turns back before the aircraft loses maneuverability 

The stalling speed of an aeroplane is most affected by: a. Changes in air density b. Variations in aeroplane loading c. Variations in flight altitude d. Changes in pitch attitude

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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

How does a pilot react to heavy freezing rain at 2,000ft/AGL, when he is unable to deice nor land? a. He ascends to the cold air layer above b. He continues to fly at the same altitude c. He turns back before the aircraft loses maneuverability d. He descends to the warm air layer below

Description : How does a pilot react to heavy freezing rain at 2,000ft/AGL, when he is unable to deice nor land? a. He ascends to the cold air layer above b. He continues to fly at the same altitude c. He turns back before the aircraft loses maneuverability d. He descends to the warm air layer below

Last Answer : c. He turns back before the aircraft loses maneuverability

Why do brids not have respiratory trouble at the time of flying at high altitude ? (1) Their lungs are very large (2) They fly inactively (3) They have extra air sacs (4) They use less oxygen

Description : Why do brids not have respiratory trouble at the time of flying at high altitude ? (1) Their lungs are very large (2) They fly inactively (3) They have extra air sacs (4) They use less oxygen

Last Answer : They have extra air sacs

What happens with the increased insurance premiums collected when there are no major catastrophes?

Description : What happens with the increased insurance premiums collected when there are no major catastrophes?

Last Answer : More profit to the insurance companies.

What happens if the coil length of an electric motor is increased ?

Description : What happens if the coil length of an electric motor is increased ?

Last Answer : Increasing the length of the coil will increase the magnetic field.

What happens to an objects mass when gravitational force is increased?

Description : What happens to an objects mass when gravitational force is increased?

Last Answer : Nothing. The mass will not change with a gravitational increase,but the weight will.

What happens to the bandwidth of an antenna as it is shortened through the use of loading coils? A. It is increased B. It is decreased C. No change occurs D. It becomes flat

Description : What happens to the bandwidth of an antenna as it is shortened through the use of loading coils? A. It is increased B. It is decreased C. No change occurs D. It becomes flat

Last Answer : A. It is increased

What happens to the beamwidth of an antenna as the gain is increased? A. The beamwidth increases geometrically as the gain is increased. B. The beamwidth increases arithmetically as the gain is increased. C. The beamwidth is essentially unaffected by the gain of the antenna. D. The beamwidth decreases as the gain is increased.

Description : What happens to the beamwidth of an antenna as the gain is increased? A. The beamwidth increases geometrically as the gain is increased. B. The beamwidth increases arithmetically as the gain is increased ... unaffected by the gain of the antenna. D. The beamwidth decreases as the gain is increased.

Last Answer : D. The beamwidth decreases as the gain is increased.

What happens to the bus bar dimensions of the waveguide when the frequency is increased?

Description : What happens to the bus bar dimensions of the waveguide when the frequency is increased?

Last Answer : The bus bar becomes wider.

If the inductor and capacitor values are increased, what happens to the resonant frequency?

Description : If the inductor and capacitor values are increased, what happens to the resonant frequency?

Last Answer : Decreases.

When the reverse bias on a varactor is increased, what happens to the effective capacitance?

Description : When the reverse bias on a varactor is increased, what happens to the effective capacitance?

Last Answer : Capacitance decreases.

Assuming all other parameters remain constant, what happens to the pressure of a gas when the volume of the gas is increased? w) increases x) decreases y) fluctuates sinusoidally z) remains the same

Description : Assuming all other parameters remain constant, what happens to the pressure of a gas when the volume of the gas is increased? w) increases x) decreases y) fluctuates sinusoidally z) remains the same

Last Answer : ANSWER: X -- DECREASES

What happens when the shunt resistance of a galvanometer circuit is increased?

Description : What happens when the shunt resistance of a galvanometer circuit is increased?  (A) Its current sensitivity increases. (B) Its current sensitivity decreases. (C) It’s damping increases. (D) It’s controlling torque increases.  

Last Answer : current sensitivity increase