Four Performance Parameters MCQ

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

• Determine the rocket thrust coefficient for a total thrust of 20 kN, chamber pressure of 500 kPa and a throat diameter of 10 cm.
  ক

  2.39

  খ

  6.51

  গ

  4.97

  ঘ

  5.09
• If a nozzle has an optimum expansion ratio of 9, determine the nozzle cone exit diameter for a throat diameter of 15 mm.
  ক

  30 mm

  খ

  135 mm

  গ

  45 mm

  ঘ

  90 mm
• A gas tank discharges faster if it is thermally isolated than if it is kept isothermal.
  ক

  True

  খ

  False
• What is another name for the nozzle area ratio?
  ক

  Nozzle expansion ratio

  খ

  Nozzle contraction ratio

  গ

  Nozzle convergence ratio

  ঘ

  Nozzle divergence ratio
• How are delivered performance values estimated for a propulsion system?
  ক

  Static tests or flight tests of full-scale models

  খ

  Dimensional analysis and similitude of models

  গ

  A theoretical analysis using the known relations

  ঘ

  Using computational simulation