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