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 An aerofoil Is only present in airplanes Is the cross-section of the wing which when moved through a fluid like air creates aerodynamic forces Is a wing that creates lift Is too complicated 2 / 50 The camber Both of the above Decides the purpose of the aerofoil Is the curvature of the aerofoil 3 / 50 Full form of VFR Visual fight rules Visual fit rules Visual flight rules Vital flight radio 4 / 50 When the air molecules flow in a non steady path forming Eddie’s it’s called Turbulent flow Laminar flow None of the above Non streamlined flow 5 / 50 Which are the four forces of flight Lift , Weight , thrust, Drag Lift, Drag, Drift, Thrust Thrust, Gravity, Weight, Drift None of the above 6 / 50 Which layer in the atmosphere is used by airlines? Ionosphere Troposphere Stratosphere Exosphere 7 / 50 Which statement is true Total pressure= static pressure Total pressure= Pitot pressure + Dynamic pressure Total pressure = Dynamic pressure Total pressure= Static pressure + Dynamic Pressure 8 / 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 VFR IFR None of the above SPL VFR 9 / 50 The unit of Force is Watt Newton Joule Metre 10 / 50 Which gas contributes to 21% of air Oxygen Nitrogen Helium Argon 11 / 50 The unit of pressure is Pascal Joule Watt Newton 12 / 50 What is the ISA temperature at mean sea level 30 Degree C 20 degree C 15 degree C 40 Degree C 13 / 50 Which layer in the atmosphere have the most weather Troposphere Ionosphere Mesosphere Stratosphere 14 / 50 Density is directly proportional to Pressure Temperature Humidity Altitude 15 / 50 Which is the densest layer in the atmosphere? Exosphere Thermosphere Troposphere Mesosphere 16 / 50 Angle of Attack Is constant can be changed by flight controls Cannot be changed Is not required 17 / 50 Density increases with? Pressure Altitude Temperature Humidity 18 / 50 More the humidity, density will Increase Decrease Remain constant 19 / 50 The point at which all the weight acts on the aircraft is None of the above Centre of Pressure Centre of Gravity Neutral point 20 / 50 What is the density of dry air 1.332 kg/m cube 1.55 kg/m cube 1.225 kg/m cube 2.0 kg/ m cube 21 / 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 22 / 50 Lift is caused because of Ground forces Inertia Pressure differential Weight 23 / 50 In a symmetrical Aerofoil The chord line isn't there The mean camber line and chord line do not coincide Camber line isn’t there The mean camber line and chord line coincide 24 / 50 At the stagnation point Airflow is accumulated Airflow has zero velocity Dynamic pressure is high Airflow has max velocity 25 / 50 Full form of DGCA Director of civil aviation Directorate General of civil Aviation Directive of civil aviation Direction of international aviation 26 / 50 “For every action there is an equal and opposite reaction”- which law is it Newton’s 1st law Newton’s 2nd law Law of conservation of Energy Newton’s third law 27 / 50 Coefficient of lift depends on Angle of Attack None of the above The Shape of the Aerofoil Both of the above 28 / 50 What are the kinds of pressures that occur in Aerodynamics Static pressure Total pressure All of the above Dynamic pressure 29 / 50 Density is inversely proportional to Altitude Temperature Humidity Pressure 30 / 50 Full form of ICAO Indian civil aviation organisation International civil Aviation organisation International civil organisation Indian civil organisation 31 / 50 When velocity of fluid decreases Pressure decreases Static Pressure Increases, Dynamic pressure decreases Constant Static Pressure Descreases, Dynamic pressure increases 32 / 50 Full form of IFR Instant flight rules Instrument flight radio Instant fight rules Instrument flight rules 33 / 50 Which layer in the atmosphere has satellites? Ionosphere Thermosphere Exosphere Mesosphere 34 / 50 The line that cuts the aerofoil into half is Camber Chord line Leading edge Mean camber line 35 / 50 Which gas constitutes 78 % of air Argon Carbon dioxide Oxygen Nitrogen 36 / 50 Asymmetrical aerofoil can create lift Does not create lift Only at positive angle of attack Without airflow Even at negative angle of Attack 37 / 50 Pressure Decreases with increase in? Altitude Temperature All of the above Humidity 38 / 50 Which is heavier or more dense Water vapour Humid air Dry Air Air with water vapour 39 / 50 Which layer plays an important part in communication? Exosphere Ionosphere Mesosphere Troposphere 40 / 50 Angle of Incidence is the angle between Chord and mean camber line None of the above Chord and longitudinal axis of Aircraft chord and relative airflow 41 / 50 At sea level what is the ISA pressure 1010 mb 1012 mb 1011 mb 1013.25 mb 42 / 50 ICAO WAS FORMED ON 4th April 1956 4th April 1948 10th April 1956 4th April 1947 43 / 50 The pressure that occurs due to moving air brought to rest on a surface is All of the above Total pressure Static pressure Dynamic pressure 44 / 50 How many layers are present in the atmosphere? 2 8 6 4 45 / 50 With Altitude temperature? Decreases Constant Increases 46 / 50 What is the Full form of ISA Indian standard Atmosphere International non standard atmosphere International Standard Atmosphere Indian standard Arrogance 47 / 50 The line joining the leading and trailing edge of the aerofoil is Chord line Mean line Camber Mean camber line 48 / 50 The potential energy of an object is the result of its Position Movement Motion Work 49 / 50 When a fluid is displaced from point A to B, the total energy: Remains constant Gets lost Changes Varies 50 / 50 When the air molecules flow in a steady path maintaining steady velocity it’s called Non streamlined flow None of the above Laminar flow Turbulent flow Your score is The average score is 76% LinkedIn Facebook Twitter VKontakte 0% Restart quiz . Do well guys!! Happy Landing .
