JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech III UNMANNED AIR VEHICLES Previous Question Paper (February - 2023 - R18)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
What are the dull roles accomplished by UAV? And why?
Answer
Dull roles include long-endurance surveillance, repetitive monitoring, and routine data collection. These are accomplished by UAVs because they can remain airborne for extended periods without pilot fatigue, ensuring consistent performance in monotonous tasks that would be hazardous or inefficient for human operators.
Outline any three subsystems of an Unmanned Aircraft System.
Answer
Three essential subsystems of an Unmanned Aircraft System are:
- Air Vehicle (AV): The physical aircraft platform.
- Ground Control Station (GCS): The interface for command, control, and mission planning.
- Data Link: The communication system facilitating command uplink and telemetry/payload downlink.
What are the two ways in which the designers of MAV make it aerodynamically viable?
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What is disc loading and how lift is produced in a rotary wing UAV?
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List any two basic requirements to be met by UAV used for long-range reconnaissance mission.
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Compare the close-range systems which use VTOL with that of HTOL.
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What is meant by multipath propagation of signals?
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What are the common types of antennae adopted for UAS?
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Define the terms: ‘Control’ and ‘Stability’.
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What are the various types of convertible rotor aircraft and the challenge involved in it?
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Part B
List any four civilian applications of Unmanned Air Vehicle systems.
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Justify the statement ‘Operating environment should be considered while selecting a UAV system’.
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Discuss the conceptual phase of design of Unmanned Air Vehicle system.
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Analyze the effect of parameters, speed range and radius of action in selection of appropriate UAV system.
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What is Parasitic drag and define the components involved in it?
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Explain the operation of ‘Jet-lift’ aircraft with suitable example.
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Discuss the working of HTOL aircraft with a canard configuration. What are its advantages?
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Explain ‘scale effect’ with necessary diagrams.
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Discuss about medium range, tactical aircraft with an example.
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Elaborate about Nano-Air-Vehicle and its application.
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Explain the design aspects of HALE UAV system.
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Examine the need for hybrid configurations in UAS.
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Explain the usage of Differential GPS by UAV system for navigation.
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Explain about Line of Sight (LOS) communication and its power requirements.
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Discuss ‘vulnerability’ of UAV system to various threats.
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Explain about multi-agent communication and interoperability of UAV system.
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Explain about the sensors supporting the autopilot system of UAV.
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Explain the operation of Automatic Flight Control System of a spatially stabilized HTOL aircraft with the help of a neat diagram.
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