What causes wind?
a. Difference in pressure
b. Rotation of the earth
c. Frontal systems
d. Difference in temperature

1 Answer

Answer :

a. Difference in pressure

Related questions

Description : What causes wind? a. Difference in pressure b. Rotation of the earth c. Frontal systems d. Difference in temperature

Last Answer : a. Difference in pressure

Description : The greater the pressure gradient the:  a. Closer the isobars and the lower the temperatures  b. Further the isobars will be apart and the higher the temperature  c. Closer the isobars and the stronger the wind

Last Answer : c. Closer the isobars and the stronger the wind

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 : 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

Description : ATC will only report wind as gusting if:  a. Gust speed exceeds mean speed by >15kts  b. Gusts to over 25kts  c. Gusts exceed mean speed by 10kts  d. Gusts to under 25kts

Last Answer : c. Gusts exceed mean speed by 10kts 

Description : Where is wind shear the greatest? a. Near a strong low level inversion and in the region of a thunderstorm b. Near a valley with wind speeds greater than 35kts c. On the windward side of a mountain d. When the wind is greater than 35kts

Last Answer : a. Near a strong low level inversion and in the region of a thunderstorm

Description : After flying for 16 minutes at 100 kt TAS with a 20 kt tail wind, you have to return to the airfield of departure. You will arrive after:

Last Answer : 24 mins

Description : A flight is planned from L to M, distance 850 nm. Wind component out is 35 kt(TWC), TAS 450kt. Mean fuel flow out is 2500kg/hr, mean fuel flow inbound is 1900kg/hr and the fuel available is 6000kg. The time ... 1hr 30 min, 660nm b. 1hr 30 min, 616nm c. 1hr 15 min, 606nm d. 1hr 16 min, 616nm

Last Answer : d. 1hr 16 min, 616nm

Description : After flying for 16 minutes at 100kt TAS with a 20kt tail wind, you have to return to the airfield of departure. You will arrive after: a. 10 min 40 sec b. 20 min c. 24 min d. 16 min

Last Answer : c. 24 min

Description : If the track on an instrument departure is published, the pilot is expected to: a. Correct for the correct wind so as to stay within controlled airspace b. Ask ATC for another heading to steer ... proceed with a heading equal to the track d. Ask ATC for permission to correct heading for wind

Last Answer : a. Correct for the correct wind so as to stay within controlled airspace

Description : Rotation of the earth causes deflection of wind by which force? -General Knowledge

Last Answer : The answer is 'Coriolis force'

Description : Rotation of the earth causes deflection of wind by which force? -Do You Know?

Last Answer : answer:

Description : Rotation of the earth causes deflection of wind by which force? -General Knowledge

Last Answer : answer:

Description : Rotation of the earth causes deflection of wind by which force? -General Knowledge

Last Answer : answer:

Description : Rotation of the earth causes deflection of wind by which force?

Last Answer : Coriolis force

Description : Rotation of the earth causes deflection of wind by which force? —

Last Answer : Coriolis force

Description : An inversion is:  a. A decrease of pressure with height  b. A decrease of temperature with height  c. An increase of temperature with height  d. An increase of pressure with height

Last Answer : c. An increase of temperature with height

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 : A pressure head is subject to the following errors: a. Position, manoeuvre induced, temperature b. Position, manoeuvre induced c. Position, manoeuvre induced, density d. Position, manoeuvre induced, instrument

Last Answer : d. Position, manoeuvre induced, instrument

Description : Maximum Differential pressure: a. Is the maximum authorized pressure difference between the inside of the fuselage and the atmospheric ambient pressure b. Is the absolute pressure provided by the vacuum ... time limit d. Is the absolute pressure the cabin pressure ducting is designed to carry

Last Answer : a. Is the maximum authorized pressure difference between the inside of the fuselage and the atmospheric ambient pressure

Description : You're 36,000 ft. above earth and a hole erupts in the fuselage of the aircraft you are in. What are your thoughts and what would you do?

Last Answer : I am not very religious but I think I would pray.

Description : The station pressure used in surface weather charts is

Last Answer : Qff

Description : The station pressure used in surface weather charts is:  a. QNE  b. QFF  c. QFE  d. QNH

Last Answer : a. QNE

Description : Which constant pressure altitude chart is standard for a 30,065 ft pressure level (FL 300)?  a. 200 hPa  b. 700 hPa  c. 500 hPa  d. 300 hPa

Last Answer : d. 300 hPa

Description : You are cruising at FL 200, OAT is -40°C, sea level pressure is 1033 hPa. Calculate the true  altitude.  a. 20,660 ft  b. 21,740 ft  c. 18,260 ft  d. 19, 340 ft

Last Answer : d. 19, 340 ft

Description : The isobars drawn on a surface weather chart represent lines of equal pressure:  a. At flight level  b. At height of observatory  c. At a determined density altitude  d. Reduced to sea level

Last Answer : d. Reduced to sea level

Description : You are flying at FL170. The pressure level which is closest to you is the:  a. 300mb  b. 700mb  c. 500mb  d. 850mb

Last Answer : c. 500mb

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 : The effects of carbon monoxide: a. Increases with altitude b. Decreases with altitude c. Increases with increase of density d. Decreases with pressure loss

Last Answer : a. Increases with altitude

Description : If cabin pressure is decreasing, the cabin VSI will indicate

Last Answer : B. Climb

Description : The most likely cause of brake fade is: a. Oil or grease on the brake drums b. Worn stators c. The pilot reducing the brake pressure d. The brake pads overheating

Last Answer : d. The brake pads overheating

Description : The purpose of an accumulator is to: a. Relieve excess pressure b. Store fluid under pressure c. Store compressed gas for tyre inflation d. Remove air from the system

Last Answer : b. Store fluid under pressure

Description : If cabin pressure is decreasing, the cabin VSI will indicate: a. Zero b. Climb c. Descent d. Reducing pressure

Last Answer : b. Climb

Description : A shuttle valve will: a. Allow the accumulator to be emptied after engine shut down b. Reduce pump loading when normal system pressure is reached c. Automatically switched to a more appropriate source of hydraulic supply d. Operate on a rising pressure, higher than the Full Flow relief valve

Last Answer : c. Automatically switched to a more appropriate source of hydraulic supply

Description : When does the engine High Pressure fuel shut off valve close? a. After a booster pump failure b. When the engine fuel switch is selected ‘ON’ during engine start c. When flight idle is selected d. When the engine fuel switch is selected ‘OFF’ during engine shut-down

Last Answer : d. When the engine fuel switch is selected ‘OFF’ during engine shut-down

Description : Which of the following instruments require inputs of both pitot and static pressure? a. Airspeed indicator, machmeter and vertical speed indicator b. Airspeed indicator, vertical speed indicator, altimeter c. Airspeed indicator only d. Airspeed indicator and machmeter

Last Answer : d. Airspeed indicator and machmeter

Description : Cabin altitude in pressured flight is: a. The altitude corresponding to cabin pressure regardless of aircraft height b. Is presented on a second needle on the aircraft altimeter c. ... pressure equals ambient pressure d. Altitude corresponding to cabin pressure in relation to MSL ISA conditions

Last Answer : a. The altitude corresponding to cabin pressure regardless of aircraft height

Description : When would the negative differential limits be reached/exceeded? a. Rapid descent when AC descends below cabin altitude b. During ground pressure testing c. Rapid ascent when aircraft climbs d. When changing to manual operation

Last Answer : a. Rapid descent when AC descends below cabin altitude

Description : CAS is IAS corrected for: a. Position and instrument error b. Instrument, pressure, and density error c. Relative density only d. Compressibility

Last Answer : a. Position and instrument error

Description :  If you are flying at FL300 in an airmass that is 15*C warmer than a standard atmosphere, what is the  outside temperature likely to be?

Last Answer : 30*C

Description : How would you characterize an air temperature of -55*C at the 200HPA level over western Europe?

Last Answer : WITH IN + 5*C OF ISA

Description : Which of the following statements is an interpretation of the METAR?   00000KT 0200 R14/0800U R16/P1500U FZFG VV001 m03/m03 Q1022 BECMG 0800 =  a. Meteorological visibility 200m, RVR for ... 800m, vertical visibility 100ft, calm, meteorological visibility  improving to 800m in the next 2 hours

Last Answer : d. RVR for runway 14 800m, vertical visibility 100ft, calm, meteorological visibility  improving to 800m in the next 2 hours

Description : How do you calculate the lowest usable flight level? a. Lowest QNH and lowest negative temperature below ISA b. Lowest QNH and highest negative temperature below ISA c. Highest QNH and highest temperature above ISA d. Highest QNH and lowest temperature

Last Answer : a. Lowest QNH and lowest negative temperature below ISA

Description : Given: True track 215; mountain elevation 11,600 ft; local airfield gives qnh as 1035 mb; Required terrain clearance 1500 ft; temparute ISA-15C Which of the following is the minimum flight level considering the temperature?

Last Answer : FL140

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 : Given: True track 215; mountain elevation 11,600ft; local airfield gives QNH as 1035mb; required terrain clearance 1500ft; temperature ISA -15C. Which of the following is the minimum flight level considering the temperature? a. FL150 b. FL140 c. FL120 d. FL110

Last Answer : b. FL140

Description : A Cylinder Temperature Gauge measures

Last Answer : A. The temperature of the hottest cylinder

Description : A Cylinder Temperature Gauge measures

Last Answer : A. The temperature of the hottest cylinder

Description : A cylinder head temperature gauge measures: a. The temperature of the hottest cylinder b. The temperature of all the cylinders and gives an average reading c. The temperature of the coolest cylinder d. The temperature of the two cylinders furthest away from each other divided by two

Last Answer : a. The temperature of the hottest cylinder

Description : The EGT indication on a piston engine is used: a. To control the cooling air shutters b. To monitor the oil temperature c. To assist the pilot to adjust the fuel mixture d. To indicate cylinder head temperature

Last Answer : c. To assist the pilot to adjust the fuel mixture