Download GTU BE/B.Tech 2018 Winter 6th Sem New 2160102 Fundamentals Of Jet Propulsion Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 6th Sem New 2160102 Fundamentals Of Jet Propulsion Previous Question Paper

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1
ySeat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VI (NEW) EXAMINATION ? WINTER 2018
Subject Code:2160102 Date:20/11/2018

Subject Name:Fundamentals of Jet Propulsion

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


Q.1 (a) Explain Working principle of gas turbine engine. 03
(b) Write a short note on performance of turbojet engine with the change
in compressor pressure ratio.
04
(c) With neat sketches explain effect of back pressure in convergent and
divergent duct.
07

Q.2 (a) List out different components of turbojet engine. 03
(b) Explain zones of combustion chamber with neat sketch. 04
(c) Derive thrust equation with sketch. 07
OR
(c) Explain can type combustion chamber with neat sketch. 07
Q.3 (a) Difference between turbojet and turbofan engine. 03
(b) Working principle of turboprop engine. 04
(c) Derive Mach Area relation for nozzles. 07
OR
Q.3 (a) Discuss Supersonic Inlets. 03
(b) Explain Performance characteristics of turbojet engine. 04
(c) Explain Boundary layer separation for diffuser. 07
Q.4 (a) Discuss scramjet engine. 03
(b) List out requirements of combustion chamber.

04
OR
Q.4 (a) Explain the need of thrust augmentation. 03
(b) Explain effect of back pressure on convergent nozzle. 04
(c) Explain pulse jet engine with neat sketch 07
Q.5 (a) Explain need for subsonic inlet. 03
(b) Draw simple Brayton cycle for jet engines. 04
(c) Draw and explain Brayton cycle with Intercooling and Reheating 07
OR
Q.5 (a) Draw h-s diagram representing nozzle operation and diffuser operation
separately.
03
(b) Write in brief about rocket engines 04
(c) Explain solid propellant rockets with neat sketch. 07

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