Aerodynamic Forces MCQ

Test your knowledge with important Aerodynamic Forces MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Aerodynamic Forces MCQs on Bissoy. Bissoy App

• The change in local air flow velocity will produce small change in skin friction drag.
  ক

  True

  খ

  False
• If I want to design an aircraft which primary flies in a low speed region then, which type of drag shouldn’t be considered?
  ক

  Wave drag

  খ

  Parasite drag

  গ

  Induced drag

  ঘ

  Form drag only
• What is interference drag?
  ক

  Drag produced by interaction of different components

  খ

  Skin friction drag

  গ

  Lift induced drag

  ঘ

  Drag due to weight of the aircraft only
• Induced drag of the airfoil is _____
  ক

  0.0N

  খ

  1.2N

  গ

  20 N

  ঘ

  25.8KN
• Drag which is produced due to lift is called?
  ক

  Induced drag

  খ

  Parasite drag

  গ

  Weight

  ঘ

  Thrust drag
• Wave drag is produced due to ________
  ক

  shock wave formation

  খ

  incompressible flow

  গ

  fluid is not compressible

  ঘ

  flow separation of incompressible flow
• The location of separation point will depend on ________
  ক

  curvature of the body

  খ

  body weight

  গ

  mass of body

  ঘ

  only on body length
• _______ is one of the sources of drag.
  ক

  Viscous separation

  খ

  Drafting

  গ

  Signal strength

  ঘ

  Lift only
• Increment in the skin friction drag due to prop-wash is called _________
  ক

  scrubbing drag

  খ

  vortex

  গ

  swirl

  ঘ

  curling flow
• Skin friction drag is defined as _________
  ক

  drag due to friction between skin and fluid flow

  খ

  wing lift drag

  গ

  such drag does not exist

  ঘ

  lift induced
• Consider an incompressible flow. If static pressure increases then, the local freestream velocity __________
  ক

  decreases

  খ

  increase

  গ

  remains same

  ঘ

  insufficient data
• If static air pressure is 0.5 bar and dynamic pressure is 0.85 bar then, find total pressure acting on a body.
  ক

  1.35

  খ

  5

  গ

  7

  ঘ

  8.56
• For an incompressible flow, if local area velocity decreases then, the dynamic pressure will ________
  ক

  decrease

  খ

  increase

  গ

  constant

  ঘ

  independent of velocity
• For ideal flow, total pressure along streamline will be _________
  ক

  constant

  খ

  increases

  গ

  decreases

  ঘ

  always decreases by half
• Aerodynamic forces are generated due to ______________
  ক

  shear and pressure force acting on body

  খ

  shear effects only

  গ

  only pressure forces

  ঘ

  twisting of beam