JNTU
JNTU B.Tech II INTRODUCTION TO AEROSPACE ENGINEERING Previous Question Paper (April/May - 2018 - R15)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
PART A
Answer all questions:
Classify the types of heavier than aircraft.
Answer
Heavier-than-air aircraft are primarily classified into two categories: Fixed-wing aircraft (such as airplanes and gliders) and Rotary-wing aircraft (such as helicopters and autogyros).
Write the expressions which relate density and temperature in gradient region.
Answer
In a gradient region where temperature varies linearly with altitude, the relationships are:
where T is temperature, ρ is density, a is the lapse rate, g is acceleration due to gravity, and R is the specific gas constant.
What are the various components of transport aircraft?
Answer
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Write an expression for Lift and momentum coefficient.
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Define the terms landing ground run and landing distance.
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What do you mean by pitched upward and downward disturbance?
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Write a short note on extra vehicular activity.
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What is Skylab mission?
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Define one time perspective drawing.
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What is the concept of creative idea generation?
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PART B
Explain in detail the attempts made by the German researcher Lilienthal to fly in air with the help of the glider he designed.
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Discuss a leading scientific advancement that contributed to the growth of the commercial airline industry.
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Write short note on Low Earth Orbit (LEO).
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Write short note on benefits of microgravity.
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Explain the aerodynamic forces on wing. How the lift generated for wing?
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How does a turbofan work? What are the advantages having multi spools in a turbofan engine?
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Explain lift on an airfoil in the context of Bernoulli’s equation. State all assumptions. Does an airfoil create lift because there is circulation over the airfoil?
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Explain the working principle of turboprop engine with neat schematic figure.
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Write a short note on stalling speed of an aircraft that is in steady and level flight.
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Derive Endurance equation for a jet airplane and explain the terms involved in the equation.
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Discuss in detail various high-lift devices employed in landing operation of an aircraft. Also mention various methods employed to reduce the landing distance. Bring out major differences between landing and take-off operations.
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Explain in detail about the flight safety and life support system in space sketches.
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What do you understand by the term human space exploration, write a short note on Apollo Soyuz?
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Write a detailed note about the efforts of Dr. Charles Draper in developing inertial navigation system that has been effectively utilized in Apollo's landing on Moon and all strategic missile applications.
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Discuss on flight safety and security. Explain the role of national regulatory body.
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Explain the sub categories of Computer Aided Engineering (CAE).
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What is design thinking? How design as a skill considered? Explain with suitable examples.
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