Why temperature decrease at high altitude?

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Description : The layer where the decrease in temperature with increasing altitude is totally absent is – (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Last Answer : (3) Stratosphere Explanation: The stratosphere defines a layer in which temperatures rises with increasing altitude. At the top of the stratosphere the thin air may attain temperatures close to ... . Consequently, the stratosphere is almost completely free of clouds or other forms of weather.

Description : The atmospheric temperature during melting of ice/snow (in the atmosphere) (A) Decreases (B) Increases (C) Remain same (D) May increase or decrease; depends on the altitude where snow melts Answer

Last Answer : A) Decreases

Description : What term is used to describe a situation in which atmospheric temperature first increases with altitude and then begins to decrease?

Last Answer : Temperature inversion.

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

Description : Resistance of a wire on increasing its temperature will a. increase with rise in temperature b. decrease with rise in temperature c. will remain same d. depends upon altitude of experimentation

Last Answer : a. increase with rise in temperature

Description : The layer where the decrease in temperature with increasing altitude is totally absent is (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Last Answer : Stratosphere

Description : At very high altitude, the Red Blood Corpuscles in the human body will : (1) increase in size (2) decrease in size (3) increase in number (4) decrease in number

Last Answer : (1) increase in size Explanation: Red Blood cells contain haemoglobin which is what the oxygen binds with to form oxyhaemoglobin which is then transported to the different cells around the body. Oxygen ... the current number of red blood cells in the body cannot meet the cells demands for oxygen.

Description : If the spring mass system with m and spring stiffness k is taken to very high altitude, the natural frequency of longitudinal vibrations * 1 point (A) increases (B) decreases (C) remain unchanged (D) may increase or decrease depending upon the value of the mass

Last Answer : (C) remain unchanged

Description : If the spring mass system with m and spring stiffness k is taken to very high altitude , the natural frequency of longitudinal vibrations A) Increases B) Decreases C) Remain unchanged D) May be increase or decrease depending upon the value of the mass

Last Answer : C) Remain unchanged

Description : At high altitude, the RBCs in the human blood will (a) increase in number (b) decrease in number (c) increase in size (d) decrease in size.

Last Answer : (a) increase in number

Description : At very high altitude, the Red Blood Corpuscles in the human body will : (1) increase in size (2) decrease in size (3) increase in number (4) decrease in number

Last Answer : increase in size

Description : Why Boiling Point of water decrease with Altitude?

Last Answer : Low atmospheric pressure

Description : A pilot suffering from decompression sickness should: a. Descend to a lower level where the symptoms will disappear and continue the flight at this or a lower level b. Decrease the cabin pressure ... relieve the pain in the affected site d. Land as soon as possible and seek medical assistance

Last Answer : d. Land as soon as possible and seek medical assistance

Description : To maintain altitude, what must be done as Indicated Airspeeed (IAS) is reduced? a. Decrease angle of attack to reduce the drag b. Increase angle of attack to maintain the correct lift force c. Deploy the speed brakes to increase drag d. Reduce thrust

Last Answer : b. Increase angle of attack to maintain the correct lift force

Description : A pilot suffering from decompression sickness should: a. Descend to a lower level where the symptoms will disappear and continue the flight at this or a lower level b. Decrease the cabin pressure ... the pain in the affected site d. Land as soon as possible and seek medical assistance

Last Answer : d. Land as soon as possible and seek medical assistance

Description : In which two layers of the atmosphere does temperature increase as altitude increase?

Last Answer : stratosphere and thermosphere

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

Last Answer : What is the answer ?

Description : Is temperature increases as altitude increases because you are moving closer to the sun?

Last Answer : Need answer

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

Last Answer : Need answer

Description : Following are the characteristics of an area in India: [IAS 2010] 1. Hot and humid climate 2. Annual rainfall 200 cm 3. Hill slopes up to an altitude of 1100 metres 4. Annual range of temperature 15 ... to find in the area described above? (a) Mustard (b) Cotton (c) Pepper (d) Virginia tobacco

Last Answer : Ans: (c)

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 : (1) soil, water and temperature Explanation: Soil, water and climate of a region are the three primary factors significantly influencing the vegetation of a region. Such factors as depth, ... needs moisture to survive and this explains the range which varies from evergreen forests to shrubs.

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

Description : The concentration of water vapour in troposphere, which depends upon the altitude & temperature, varies in the range of zero to __________ percent. (A) 1 (B) 4 (C) 8 (D) 12

Last Answer : (B) 4

Description : Pick out the wrong statement. (A) Biological oxygen demand (B.O.D.) value of a sewerage sample is always lower than its chemical oxygen demand (C.O.D.) value (B) Environmental pollution by ... in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

Last Answer : (D) The characteristic of a green house body is that it allows the long wavelength incoming solar radiation to come in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

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

Last Answer : (a) The ambient atmospheric pressure is less at higher altitudes

Description : Generally, as altitude increases: a. Temperature decreases and density increases b. Temperature, pressure and density decreases c. Temperature and pressure increase and density decreases d. Temperature decreases and pressure and density increase

Last Answer : b. Temperature, pressure and density decreases

Description : Refer to CAP697 MRJT1 Fig. 4.2 & 4.5.3.2 Estimated take-off mass 57,000kg; ground distance 150nm; temperature ISA -10C; cruise at M0.74. What is the optimum cruise altitude and TAS? a. 25,000ft & 445kt b. 33,000ft & 420kt c. 25,000ft & 435kt d. 33,000ft & 430kt

Last Answer : c. 25,000ft & 435kt

Description : For take-off performance calculations, what is taken into account? a. OAT, pressure altitude, wind, weight b. Standard temperature, altitude, wind, weight c. Standard altitude, standard temperature, wind, weight d. Standard temperature, pressure altitude, wind, weight

Last Answer : a. OAT, pressure altitude, wind, weight

Description : Generally, as altitude increases: a. Temperature decreases and density increases b. Temperature, pressure and density decreases c. Temperature and pressure increase and density decreases d. Temperature decreases and pressure and density increase

Last Answer : b. Temperature, pressure and density decreases

Description : Refer to CAP697 MRJT1 Fig. 4.2 & 4.5.3.2 Estimated take-off mass 57,000kg; ground distance 150nm; temperature ISA -10C; cruise at M0.74. What is the optimum cruise altitude and TAS? a. 25,000ft & 445kt b. 33,000ft & 420kt c. 25,000ft & 435kt d. 33,000ft & 430kt

Last Answer : c. 25,000ft & 435kt

Description : For take-off performance calculations, what is taken into account? a. OAT, pressure altitude, wind, weight b. Standard temperature, altitude, wind, weight c. Standard altitude, standard temperature, wind, weight d. Standard temperature, pressure altitude, wind, weight

Last Answer : a. OAT, pressure altitude, wind, weight

Description : In 1953, Sir Edmund Hillary and Tenzing Norgay were the first people to reach the summit of Mount Everest from their last previously established camp at an altitude of 27,900 feet (barometric pressure ... degrees Celsius x) boiled at 68 degrees Celsius y) not boiled at any temperature z) sublimed

Last Answer : ANSWER: X -- BOILED AT 68 DEGREES CELSIUS

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

Description : Why when you are high in the sky and looking from the window of an airplane, it seemed that it moves very slowly, but when starting to lose altitude to land, suddenly it feels that it moves much faster?

Last Answer : The farther you are from something, the slower it appears to move. The closer you are to something, the faster it appears to move. This probably has something to do with relative frames of reference.

Description : Have you seen a high-altitude airbust of a thermonuclear weapon at night?

Last Answer : Only in a wet dream…. and by wet i mean i pissed myself.

Description : why does your nose bleed when you visit high altitude destinations?

Last Answer : answer:It is basically due to the dry air. I am not your doctor.

Description : will dichondra grow in high altitude areas that freeze in winter

Last Answer : Need Answer

Description : Name the different types of vegetation found in India and describe the vegetation of high altitude. -Geography 9th

Last Answer : At high altitudes, generally, more than 3,600 metres above the sea level, temperate forests and grasslands give way to the Alpine vegetation. Silver fir, junipers, pines and birches are the common trees of these forests.

Description : Assertion: Diversity observed in the entire geographical area is called gamma diversity. Reason: Biodiversity decreases from high altitude to low alti

Last Answer : Assertion: Diversity observed in the entire geographical area is called gamma diversity. Reason: ... If both assertion and reason are false.

Description : At high altitude , RBC of human blood will

Last Answer : At high altitude , RBC of human blood will A. increase in number B. Decraese in number C. Decrease in size D. Increase in size

Description : If high-altitude birds become rare or extinct, the plants which may disappear along with them are

Last Answer : If high-altitude birds become rare or extinct, the plants which may disappear along with them are A. Pine B. Oak C. Orchids D. Rhododrons

Description : What happens if the altitude is high the air pressure is?

Last Answer : Need answer

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.

Description : What is the high altitude wind that blows from west to east over the US?

Last Answer : jet stream

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.

Description : How can I avoid getting high altitude sickness?

Last Answer : To avoid high altitude sickness, drink plenty of water, consider taking an iron supplement prior to your trip, and be careful not to over-exert yourself. Being realistic about your own capabilities is the most important way to protect your health in the high altitude.

Description : Match the following: List-I List-II (Crops) (Geographical conditions) A. Barley 1. Hot and dry climate with poor soil B. Rice 2. Cool climate with poorer soil C. Millets 3. Warm and moist climate with high altitude D. Tea 4. Hot and moist ... C D (a) 2 4 1 3 (b) 3 4 1 2 (c) 2 1 4 3 (d) 3 2 4 1

Last Answer : Ans: (a)

Description : Match the following [IAS 1997] Crops Geographical conditions A. Barley 1. Hot and dry climate with poor soil B. Rice 2. Cool climate with poorer soil C. Millets 3. Warm and Moist climate with high altitude D. Tea 4. Hot and Moist climate with ... D (a) 2 4 1 3 (b) 3 4 1 2 (c) 2 1 4 3 (d) 3 2 4 1

Last Answer : Ans: (a)

Description : A drug that is useful in glaucoma and high-altitude sickness is (a) Acetazolamide (b) Amiloride (c) Demeclocycline (d) Desmopressin (e) Ethacrynic acid

Last Answer : Ans: A

Description : Compressor at high altitude will draw A. More power B. Less power C. Same power D. Unpredictable

Last Answer : ANSWER : B