JNTU
JNTU B.Tech II INTRODUCTION TO AEROSPACE ENGINEERING Previous Question Paper (November/December - 2018 - R13)
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.
Part A
What is standard atmosphere?
Answer
The standard atmosphere is a hypothetical vertical distribution of atmospheric temperature, pressure, and density that is taken to be representative of the atmosphere for aircraft design, performance calculations, and instrument calibration.
State the laws of gravitation.
Answer
Newton's Law of Universal Gravitation states that every particle of matter in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
Define Stall speed and should its value be low or high for a given design of an aircraft.
Answer
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Write the difference between launch vehicle and a missile.
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Define range of an aircraft and its significance.
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What do you mean by trim?
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Distinguish between civilian and commercial application of satellites.
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Name some manned flight mission to moon.
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Name any two regulatory agencies in the field of air transportation.
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What are the military objectives of an air transportation system?
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Part B
Write short notes on:
Microgravity and benefits of micro gravity
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Balloons and dirigibles.
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Describe the space environment and effect of space debris on spacecrafts that are currently in use.
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Describe the working of a Turbojet engine with a neat sketch.
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What is drag?
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Describe various sources of drag and write the relevant equations.
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Discuss in detail, the performance of an aircraft in steady and level flight.
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Define ‘Endurance’ and obtain equation for endurance of a jet aircraft.
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Describe the following:
Satellite subsystems
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Satellite power systems.
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Write short notes on the following with regard to propulsion and station keeping practices.
Satellite Orbit change
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Attitude Control.
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What is design thinking? Explain the concept of design drawing.
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Discuss the effort put by our country with regard to military aviation.
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Write short notes on role played by computers in the area of engineering design.
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