JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech III AIRCRAFT SYSTEMS Previous Question Paper (April - 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
Define Airframe system.
Answer
An Airframe system refers to the collection of mechanical, electrical, and structural components integrated into an aircraft's primary structure to support flight operations, including flight control, landing gear, environmental control, and utility systems.
List out various information levels in systems.
Answer
The information levels in aircraft systems are generally categorized as follows:
- Sensor/Transducer Level: Data acquisition from physical parameters.
- Processing/Computation Level: Analysis and logic execution by computers.
- Display/Interface Level: Presentation of information to the crew.
- Actuation Level: Execution of commands based on processed information.
What do you mean by Q feel?
Answer
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Write a short note on FBW control laws.
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Discuss the system loads relevant to hydraulic systems.
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What are the principle components of hydraulic system?
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Explain engine anti icing concept.
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Draw a schematic layout of Pneumatic circuit.
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Define EGT and its indication.
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How the off take effects on engine performance?
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PART - B
Describe the interdependence of aircraft system with a suitable example.
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Give a brief description on aspects of safety and integrity.
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Enumerate the major aircraft systems and their sub systems of a civil transport aircraft.
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Explain Electro hydrostatic actuation in aircraft control system. Differentiate with electro mechanical actuation with the aid of sketches.
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Explain how the aircraft electrical systems have control over power generations and voltage regulation?
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Distinguish between primary and secondary power distribution.
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Explain the operating principle of aircraft hydraulic system with neat schematic layout.
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What is the significance of Flight control actuation? Explain any two types of actuations.
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With a neat schematic diagram explain the application of hydraulic system in landing gear and brake management systems.
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Does all aircraft need cabin pressurization system? What are its advantages and disadvantages?
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Explain the operating principle and constructional features of Bleed Air control in pneumatic system.
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What are various types of Air cycle refrigeration systems? Explain any two types with neat sketches. Mention their advantages and disadvantages.
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Explain the following terms related to engine control system:
Engine monitoring sensors
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Engine monitoring indicators.
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Describe in detail, the fuel system characteristics and operating modes of control engine components.
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