Aerospace Engineering Exam 2007
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Questions and Answers

Which one of the following engines should be used by a subsonic passenger transport airplane for minimum specific fuel consumption?

  • Turbojet engine with afterburner
  • Turbofan engine (correct)
  • Ramjet engine
  • Scramjet engine

    • The damping of the spring-mass-damper system with a mass of 1 kg, damping ratio of 0.2, and natural frequency of 5 rad/s is given by:

  • 0.2 kg/s
  • 2 Ns/m
  • 2 N/s (correct)
  • 0.2 N/s

    • If $f(\theta) = \begin{bmatrix} cos\theta & sin\theta \ -sin\theta & cos\theta \end{bmatrix}$, then f(\alpha)*f(\beta) =

  • 2x2 zero matrix
  • f(\alpha+\beta) (correct)
  • f(\alpha/\beta)
  • f(\alpha-\beta)

    • An artificial satellite remains in orbit and does not fall to the earth because:

    <p>Its transverse velocity keeps it from hitting the earth although it falls continuously</p> Signup and view all the answers

    The Euler iteration formula for numerically integrating a first order nonlinear differential equation of the form $\dot{x} = f(x)$, with a constant step size of $\Delta t$ is:

    <p>$x_{k+1} = x_k + \Delta t \times f(x_k)$</p> Signup and view all the answers

    The number of natural frequencies of an elastic beam with cantilever boundary conditions is:

    <p>Infinite</p> Signup and view all the answers

    For maximum range of a glider, which of the following conditions is true?

    <p>Lift to drag ratio is maximum</p> Signup and view all the answers

    An airplane with a larger wing compared to a smaller wing will necessarily have:

    <p>More longitudinal static stability for an aft tail airplane if aerodynamic center of the larger wing is behind the center of gravity of the airplane</p> Signup and view all the answers

    The minimum value of $J(x) = x^2-7x+30$ occurs at:

    <p>x=7/2</p> Signup and view all the answers

    Two airplanes are identical except for the location of the wing. The longitudinal static stability of the airplane with low wing configuration will be:

    <p>Less than the airplane with high wing configuration</p> Signup and view all the answers

    For a fixed center of gravity location of an airplane, when the propeller is mounted on the nose of the fuselage:

    <p>Longitudinal static stability decreases</p> Signup and view all the answers

    Study Notes

    Aerospace Engineering Exam - 2007

    • Duration: Three hours
    • Maximum Marks: 150
    • Instructions:
      • Answer all 85 objective questions.
      • Use an Objective Response Sheet (ORS).
      • Use HB pencil to fill in the correct bubble for each question (A, B, C, D).
      • Erase completely if you want to change an answer.
      • Negative marking applies:
        • 0.25 marks deducted for wrong answers in questions 1-20
        • 0.5 marks deducted for wrong answers in questions 21-76, 78, 80, 82, 84
        • No negative marking for 77, 79, 81, 83, 85
      • Do not bubble more than one answer for a question.
      • Unanswered questions do not earn marks.
      • Fill in registration number, name, and exam center on the ORS.
      • Fill in registration number and paper code using HB pencil.
      • Calculator is allowed.
      • Charts, graph sheets, and tables are not allowed.
      • Rough work can be done on the question paper itself or on provided blank pages.
      • Check all pages for discrepancies.

    Question Types and Marks

    • Questions 1-20: Carry one mark each
    • Questions 21-85: Carry two marks each

    Additional Instructions

    • Question 1-20: One mark each
    • Question 21-75: Two marks each

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    Related Documents

    2007 AE: Aerospace Engineering Past Paper PDF

    Description

    Test your knowledge with this challenging Aerospace Engineering exam from 2007. Featuring 85 objective questions, this quiz covers various topics within the field, requiring careful consideration due to a negative marking scheme. Prepare to demonstrate your expertise and understanding in aerospace concepts.

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