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