Interview Questions : Engineering

Interview Questions : Engineering
1. What are the fundamentals of mechanical engineering.
2. What is an exponential function?
3. State Newton’s Third law.
4. What are the basic parameters of thyristor design?
5. Why are you shifting from engineering? Questions on heat transfer and fluid dynamics were asked.
6. What do you know about DC transmission? What is transmission loss? How can it be reduced?
7. What are the fundamental of Refrigeration and air – conditioning? Questions on manufacturing machines were asked.
8. How do optical fibres work? Differentiate between Data and voice transmission.
9. Compare mobile and land phones (PSTN). Why is noise in international calls is less?
10. State basic principles of Microwave open, electric fan, AC, refrigerator.
11. What are Differential equations? State Kramer’s rule.
12. What do you mean by protocol?
13. Define Neural networks.
14. How does a shock absorber works? What are the advantages of a front wheel drive?
15. What is the best shape of fins in fan? Can you design one now?
16. What is an autocycle? What is a diesel cycle?
17. Differentiate between entropy and enthalpy.
18. Why transmission losses are so high in India? What should be done to reduce them?
19. Describe the various form of electrical energy storage. What are the applications of each?
20. Can you suggest a plan/strategy in broad terms to bridge the shortage of power in the country?
21. What is HVDC transmission?
22. Differentiate between electrical and electronic engineering.
23. How do you explain the concept of energy, potential energy, kinetic energy to a small child?
24. What are the networks available in India for data transmission?
25. Difference between ROM and RAM?
26. What are the essential files needed to boot a computer?
27. Which is the latest microprocessor?
28. How many types of viruses do you know? Suppose a virus infected the floppy inserted into a drive, when does the computer get infected? Name some anti – viruses.
29. Convert 121 into binary.
30. What is entropy?
31. What is a polynomial – time algorithm? Heuristic algorithm.
32. What is RDX? Suppose you were asked to go about bombing 10 -14 places in Bombay, how would you go about it? What kind of detonating mechanism would you use?
33. Why did we adopt 230V system for domestic consumers whereas in USA all the home appliances rated to operate on 110V. Why the discrepancy? What are the advantages/ disadvantages of the two voltage systems?
34. Tell us something about CAD?
35. What is industrial engineering?
36. What is ABC analysis? What is OR? What is queuing? What is LAN? What is PC, PC/AT? What are analog and digital computers? Explain them to a layman.
37. What is frequency modulation (FM)? What have you studied in communication?
38. What is white noise?
39. Tell us about the bus system of microprocessor 8085.
40. How does a compact disc work?
41. What is an actuator and nanipulator (in robotics)?
42. What is Boolean logic, flip flop?
43. Draw diesel cycles. Differentiate between two – stroke and four – stroke engines. What is octane number?
44. How are cylinders of Maruti car balanced, though it is a three cylinders engine?
45. What is HVDC? What is corona? Which motor is used in a fan and why? Which motor is used in a fan and why? Where would you use a DC motor?
46. How can a spider walk on a vertical wall while we cannot?
47. What is PLC? How do you find the maxima of a function?
48. Give an example of a discrete function. Draw a graph of y = tan x.
49. Differentiate between chemistry and chemical engineering without using technical terms.
50. There is a box divided into two sections by a movable membrane. Both sides are at NTP. On one side a chemical has been placed and it starts evaporating. What will happen to the membrane? How long will it move? Will it move in a constant speed or varying speed? How do you term this process?
51. What is an operating system? Explain it to a layman?
52. How does a computer start?
53. What happens when a computer is booted? What are the various types of OSs? List their relative merits?
54. What is object oriented programming? Name two object oriented programming languages?
55. What is static binding? What is dynamic binding?
56. What is RDX? What is the structure of phenol? What does it look like in the lab? What about 99.9% phenol?
57. Differentiate between distributed and parallel processing.
58. What is analysis in civil engineering?
59. What are the specific parameters we look for in analysis of structure?
60. What is allowable, compressive, tensile stress in steel and concrete?
61. How are Seismic waves modeled for design purpose?
62. What is Fourier series? How is it applied to harmonics?
63. What are real and imaginary numbers? Why imaginary numbers are used?
64. Do you like to solve puzzles? (On answering ”yes)
Imagine a truck, with a rectangular box type container closed from all sides – airtight, with pigeons in it (assume that pigeons were live). There is a drive and cleaner. The truck is going from place A to B where it comes across a bridge. Since the bridge is weak and it will not be able to bear the weight, the cleaner goes to the back and starts banging on the container. This would make pigeons fly within the space available in the container. Hence, the truck would become lighter. Then the truck can cross the bridge.
(i) Do you agree/disagree? Why? Explain.
(ii) What difference will it make if container is not air light, etc.
65. Difference between AM and FM? What is superconductivity?
66. Difference between forward and backward drive in automobiles.
67. What are rotary engines? How are they different from the normal engines?
68. What are cross – bar switches? Are they electromechanical or electronic?
69. What is push, pull, kanban, CONWIP? (Production control related questions)
70. What is a geostationary satellite? What is its opposite? What are the uses of both of the above?
71. What is the use of differential in a vehicle? Why is it not used in a bullock cart? Describe the working of a refrigerator – physical principles. (Joule – Thompson effect)
72. What do you know about Hardness numbers? How are they measured?
73. What are cellular phones? How do they work? How are the calls routed?
74. An engineer says that there can be a three – stroke engine. Make a drawing of it and explain its working?
75. What is discrete function; continuous function; limit?
76. What are the different parts of generator? (Questions on transmission voltages)
77. What is a diesel cycle? What is the autocycle? Differentiate and compare between them.
78. Why does a single phase induction motor need a starting condenser?
79. Define RDBMS? Why are RDBMS packages prefer to languages?
80. What is an IC engine? Give an example of an external combustion engine? What is a 100 cc engine? How does cylinder capacity affect engine performance?
81. Describe in detail, the architecture and working of an 8088 microprocessor?
82. Why digital signals are used in communication?
83. What is the second law of thermodynamics? Give its physical significance. Do you think Darwins theory of evolution follows this law? What is Bernoulli’s equation? Give two examples where it is used. What is the difference between liquid, a slurry and a suspension?
84. How does a fax work?
85. What is MIS? Which companies in India use MIS?
86. What is flexible manufacturing system (FMS)?