Exam 45 Created on June 04, 2021 By admin Exam 001 Hey guys, the paper has been set as in the DGCA format but with only 50 questions. Try to finish it within 01:30 hours 1 / 50 ICAO WAS FORMED ON 10th April 1956 4th April 1948 4th April 1956 4th April 1947 2 / 50 Full form of ICAO International civil organisation Indian civil organisation Indian civil aviation organisation International civil Aviation organisation 3 / 50 Which layer in the atmosphere has satellites? Exosphere Mesosphere Thermosphere Ionosphere 4 / 50 Which is heavier or more dense Humid air Dry Air Water vapour Air with water vapour 5 / 50 The pressure that occurs due to moving air brought to rest on a surface is Static pressure Total pressure Dynamic pressure All of the above 6 / 50 At the stagnation point Dynamic pressure is high Airflow has max velocity Airflow has zero velocity Airflow is accumulated 7 / 50 At sea level what is the ISA pressure 1013.25 mb 1011 mb 1012 mb 1010 mb 8 / 50 Which are the four forces of flight Lift, Drag, Drift, Thrust Lift , Weight , thrust, Drag Thrust, Gravity, Weight, Drift None of the above 9 / 50 The potential energy of an object is the result of its Work Movement Motion Position 10 / 50 The camber Decides the purpose of the aerofoil Is the curvature of the aerofoil Both of the above 11 / 50 Density is inversely proportional to Temperature Pressure Humidity Altitude 12 / 50 The point at which all the weight acts on the aircraft is Centre of Pressure None of the above Centre of Gravity Neutral point 13 / 50 “For every action there is an equal and opposite reaction”- which law is it Newton’s 2nd law Law of conservation of Energy Newton’s third law Newton’s 1st law 14 / 50 Full form of DGCA Direction of international aviation Directorate General of civil Aviation Director of civil aviation Directive of civil aviation 15 / 50 The unit of Force is Newton Watt Metre Joule 16 / 50 What is the ISA temperature at mean sea level 15 degree C 30 Degree C 20 degree C 40 Degree C 17 / 50 Asymmetrical aerofoil can create lift Without airflow Only at positive angle of attack Does not create lift Even at negative angle of Attack 18 / 50 When the air molecules flow in a non steady path forming Eddie’s it’s called Turbulent flow Laminar flow Non streamlined flow None of the above 19 / 50 What are the kinds of pressures that occur in Aerodynamics Total pressure All of the above Static pressure Dynamic pressure 20 / 50 Full form of IFR Instant flight rules Instrument flight radio Instrument flight rules Instant fight rules 21 / 50 Which layer in the atmosphere have the most weather Troposphere Ionosphere Mesosphere Stratosphere 22 / 50 What is the density of dry air 1.225 kg/m cube 1.55 kg/m cube 2.0 kg/ m cube 1.332 kg/m cube 23 / 50 Density increases with? Altitude Humidity Pressure Temperature 24 / 50 In a symmetrical Aerofoil The mean camber line and chord line coincide Camber line isn’t there The chord line isn't there The mean camber line and chord line do not coincide 25 / 50 Angle of Attack Is not required Cannot be changed Is constant can be changed by flight controls 26 / 50 When a fluid is displaced from point A to B, the total energy: Remains constant Varies Changes Gets lost 27 / 50 What is the Full form of ISA Indian standard Arrogance International non standard atmosphere International Standard Atmosphere Indian standard Atmosphere 28 / 50 Which gas contributes to 21% of air Nitrogen Helium Argon Oxygen 29 / 50 Lift is caused because of Inertia Pressure differential Ground forces Weight 30 / 50 When the air molecules flow in a steady path maintaining steady velocity it’s called Turbulent flow Non streamlined flow None of the above Laminar flow 31 / 50 Angle of Incidence is the angle between Chord and mean camber line Chord and longitudinal axis of Aircraft chord and relative airflow None of the above 32 / 50 Full form of VFR Vital flight radio Visual flight rules Visual fight rules Visual fit rules 33 / 50 Pressure Decreases with increase in? Humidity Altitude Temperature All of the above 34 / 50 Which layer in the atmosphere is used by airlines? Ionosphere Stratosphere Exosphere Troposphere 35 / 50 Density is directly proportional to Humidity Pressure Altitude Temperature 36 / 50 More the humidity, density will Decrease Remain constant Increase 37 / 50 Its day time and visibility is 5km and when you are clear of cloud by 1500 m horizontal and 1000 ft vertical, which flight rules can be followed None of the above VFR SPL VFR IFR 38 / 50 How many layers are present in the atmosphere? 4 8 2 6 39 / 50 When velocity of fluid decreases Constant Pressure decreases Static Pressure Descreases, Dynamic pressure increases Static Pressure Increases, Dynamic pressure decreases 40 / 50 Which gas constitutes 78 % of air Oxygen Carbon dioxide Nitrogen Argon 41 / 50 With Altitude temperature? Constant Increases Decreases 42 / 50 The law of conservation of Energy states that Energy can neither be created nor be destroyed Energy can only be created Energy can neither be created nor be destroyed but can only be transformed from one state to the other Energy can neither be created nor be destroyed but cannot be transformed from one state to the other 43 / 50 The unit of pressure is Pascal Newton Joule Watt 44 / 50 An aerofoil Is only present in airplanes Is a wing that creates lift Is too complicated Is the cross-section of the wing which when moved through a fluid like air creates aerodynamic forces 45 / 50 Which statement is true Total pressure= Pitot pressure + Dynamic pressure Total pressure= static pressure Total pressure = Dynamic pressure Total pressure= Static pressure + Dynamic Pressure 46 / 50 The line joining the leading and trailing edge of the aerofoil is Mean line Chord line Mean camber line Camber 47 / 50 Which layer plays an important part in communication? Mesosphere Exosphere Troposphere Ionosphere 48 / 50 The line that cuts the aerofoil into half is Chord line Camber Mean camber line Leading edge 49 / 50 Which is the densest layer in the atmosphere? Troposphere Thermosphere Mesosphere Exosphere 50 / 50 Coefficient of lift depends on Both of the above None of the above The Shape of the Aerofoil Angle of Attack Your score is The average score is 76% LinkedIn Facebook Twitter VKontakte 0% Restart quiz . Do well guys!! Happy Landing .
