GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VI (NEW) EXAMINATION - WINTER 2018
--- Content provided by FirstRanker.com ---
Subject Code:2160102 Date:20/11/2018Subject Name:Fundamentals of Jet Propulsion
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
--- Content provided by FirstRanker.com ---
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 04 in compressor pressure ratio.
(c) With neat sketches explain effect of back pressure in convergent and 07 divergent duct.
--- Content provided by FirstRanker.com ---
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
--- Content provided by FirstRanker.com ---
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
--- Content provided by FirstRanker.com ---
(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
--- Content provided by FirstRanker.com ---
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
--- Content provided by FirstRanker.com ---
(c) Draw and explain Brayton cycle with Intercooling and Reheating 07OR
Q.5 (a) Draw h-s diagram representing nozzle operation and diffuser operation 03 separately.
(b) Write in brief about rocket engines 04
(c) Explain solid propellant rockets with neat sketch. 07
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
--- Content provided by FirstRanker.com ---