Fixed-Engine Sizing MCQ

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

• Which of the following is disadvantage of fixed engine sizing?
  ক

  Often requires compromise in mission range or performance

  খ

  Less costly compared to rubber engine

  গ

  Availability is more than rubber engine

  ঘ

  Has no disadvantage
• An aircraft needs to accelerate from 0.8M to 2.0M. What should be the mission segment weight fraction if fixed engine sizing is used?
  ক

  0.956

  খ

  0.9365

  গ

  0.937

  ঘ

  0.98052
• As a designer let’s consider that we want to build an aircraft weighing 28000 units at take-off. How many engine will require if our thrust loading T.L. is 0.71 and thrust per engine is 10000 unit?
  ক

  2

  খ

  3

  গ

  4

  ঘ

  1
• Fixed engine sizing method is adopted for aircraft. If thrust per engine is 20000 unit and thrust loading T.L. is 0.8 then, find the take-off gross weight. Given aircraft has 2 engines.
  ক

  50000 unit

  খ

  58000 unit

  গ

  50822

  ঘ

  32589 unit
• Why we use fixed engine for aircraft sizing?
  ক

  Cost effective

  খ

  Can be stretched

  গ

  Can be rubberized

  ঘ

  Can provide variable thrust at sizing
• Size of fixed engine can vary during sizing.
  ক

  True

  খ

  False
• The thrust developed by fixed engine will be ___________
  ক

  fixed during sizing

  খ

  unfixed during sizing

  গ

  independent of engine

  ঘ

  zero at sizing
• Existing engine used for sizing is called as __________
  ক

  fixed engine

  খ

  unfixed engine

  গ

  differential engine

  ঘ

  rubber engine
• Based on existing engine or based on new design, aircraft sizing can be done.
  ক

  True

  খ

  False