Download PTU B.Tech 2020 March Aero 4th Sem ASPE 207 Aerospace Propulsion I Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) ) BE/BTech Aero (Aerospace-Engg) 2020 March 4th Sem ASPE 207 Aerospace Propulsion I Previous Question Paper

1 | M - 71531 (S2)-2273
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(Aerospace Engg.) (2012 Onwards) (Sem.?4)
AEROSPACE PROPULSION ? I
Subject Code : ASPE-207
M.Code : 71531
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write briefly :
a) What is S.T.O.L?
b) Define isentropic efficiency.
c) What is Scramjet?
d) Write the thrust equation of a rocket.
e) Define total impulse for a rocket.
f) What is Rocket propulsion?
g) Write the expression for propulsive efficiency of a jet engine.
h) Define grain with reference to a solid propellant.
i) What is a Trivial flow?
j) What is a over expanded nozzle?
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1 | M - 71531 (S2)-2273
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(Aerospace Engg.) (2012 Onwards) (Sem.?4)
AEROSPACE PROPULSION ? I
Subject Code : ASPE-207
M.Code : 71531
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write briefly :
a) What is S.T.O.L?
b) Define isentropic efficiency.
c) What is Scramjet?
d) Write the thrust equation of a rocket.
e) Define total impulse for a rocket.
f) What is Rocket propulsion?
g) Write the expression for propulsive efficiency of a jet engine.
h) Define grain with reference to a solid propellant.
i) What is a Trivial flow?
j) What is a over expanded nozzle?
2 | M - 71531 (S2)-2273
SECTION-B
2. Discuss simple compressible system and equation of state.
3. Discuss simple frictional flow and plot a fanno line.
4. Draw a Brayton cycle on T ? S diagram and write the expression for specific work
output.
5. Discuss and explain the working of a Turboprop engine.
6. Draw a figure of solid propellant motor and explain its working.

SECTION-C
7. Name various types of missiles and discuss about their structures. What is the
significance of heat transfer and cooling system in a Rocket?
8. Discuss static performance of a Rocket in details.
9. Discuss the performance of both single and multistage rockets. Write the various
applications of Rockets.





NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.


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