Drag Force MCQ

Test your knowledge with important Drag Force MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Drag Force MCQs at Bissoy

• The zero-lift drag force will decrease with decrease respect to altitude.
  ক

  True

  খ

  False
• The drag force is directly proportional to the dynamic pressure.
  ক

  True

  খ

  False
• How is the zero-lift drag force related to atmospheric pressure?
  ক

  The zero-lift drag force is directly proportional to atmospheric pressure

  খ

  The zero-lift drag force is indirectly proportional to atmospheric pressure

  গ

  The zero-lift drag force is twice multiple to atmospheric pressure

  ঘ

  The zero-lift drag force is half divided to atmospheric pressure
• The surface friction drag coefficient is not effected by reynold’s number effect.
  ক

  True

  খ

  False
• Surface friction drag corresponds to 35% of the lift independent drag whereas the profile drag leads to 65% of the lift independent drag.
  ক

  True

  খ

  False
• Which of the following are the two types of lift independent drag?
  ক

  surface friction drag and profile drag

  খ

  induced drag and profile drag

  গ

  surface friction drag and induced drag

  ঘ

  parasitic drag and induced drag
• There are three types of drag.
  ক

  True

  খ

  False
• Which of the following is the correct relation between lift dependent drag, lift independent drag and drag coefficient?
  ক

  CD=CDz+KCL2

  খ

  CD=CDz-KCL2

  গ

  CD=CDz*KCL2

  ঘ

  CD=CDz/KCL2
• In high subsonic mach number a value dependent wave drag is not induced.
  ক

  True

  খ

  False
• Total drag is the sum of ______________
  ক

  lift dependent drag and lift independent drag

  খ

  lift dependent drag, lift independent drag and volume dependent wave drag

  গ

  lift dependent drag and volume dependent wave drag

  ঘ

  volume dependent wave drag and lift independent drag