Wednesday, September 02, 2009

101 technical interview questions

101 technical interview question you should be able to answer in an
aerospace interview.


1. What is lift?
2. What is drag?
3. What is thrust?
4. What is induced drag?
5. What are different stages of flight?
6. What is boundary layer?
7. What is viscous flow?
9. Explain bernauli's principle?
10. How does an aircraft fly?
11. What's aspect ratio?
12. Explain entropy?
13. What is heat?
14. What is work?
15. What is pressure?
16. Explain stress?
17. What's fatigue?
18. What are different efficiencies of gas turbines?
19. Explain brayton cycle?
20. What's compression ratio?
21. Explain pressure ratio?
22. What is TET?
23. What affects specific thrust?
24. What is specific thrust?
25. What is cg?
26. Explain structure of aircraft wing?
27. What is sfc?
28. What is specific impulse?
29. What is hoop's stress?
30. Draw cl alpha curve?
31. Explain continuity equation?
32. What is principle of conservation of mass?
33. Explain propellor efficiency?
34. What is isentropic efficiency?
35. What is polytropic efficiency?
36. When to use each of the above efficiencies?
37. What is the function of a nozzle?
38. What's the function of diffuser?
39. What is bypass ratio!
40. What will happen if by pass ratio is too high?
41. Draw a gas turbine ?
42. Draw real brayton cycle?
43. Explain specific thrust and what's it's significance?
44. What is Mach no?
45. What's the use of velocity triangles?
46. Show stress strain curve?
47. Plot compressor characteristics.
48. What is surge?
49. Explain surge line?
50. What is compressor stall ?
51. What is aircraft stall ?
52. What are slats?
53. What's the function of rudder?
54. What's pitot tube?
55. Explain stagnation pressure?
56. What properties changes over a normal shock wave?
57. What is wave drag?
58. What is oblique shock?
59. Describe Mach cone?
60. What's the thrust equation?
61. What is service ceiling?
62. What's rate of climb?
63. What affects runway length?
64. What's chamber?
65. Draw an aerofoil?
66. What is supersonic ?
67. What are the types of drag?
68. What is source and sink?
69. What is laminar flow?
70. Explain hookes law?
71. What is spar ribs?
72. What is ILS?
73. Explain bouandry layer growth?
74. What is compressible fluid?
75. How does combuster work?
76. Explain lapse rate?
77. What is ISA?
78. What is lift coefficient?
79. Describe d'alembert's paradox?
80. What is lift to drag ratio?
81. Explain endurance?
82. What is range?
83. What is aerodynamic center?
84. What is center of pressure?
85. Define density?
86. Define rocket propulsion?
87. Describe specific heat?
88. What is relaionship between temp and height in ISA ?
89. Explain axial flow compressor working?
90. How many types of compressor?
91. What is the purpose of intake?
92. Difference between axial and radial compressor?
93. Describe different types of combusters?
94. What is first law of thermodynamics?
95. Write steady flow equation for turbine and compressor?
96. What are different methods of cooling?
97. Explain ramjet engine?
98. What is the material of compressor and turbine ?
99. What is by pass engine?
100. Explain working of nozzle?
101. What is turbo machinery?

About 90% of the questions listed here are part of the real questions
that I and my friends have faced in real aerospace interviews.

The list must go on, list the questions you faced in the comments.

Find more technical interview questions by following the link given
below.

http://my-aesi.blogspot.com/search?q=technical%20interview

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