DATABASE OF INTERVIEW QUESTIONS: FOR ENGINEERS

DATABASE OF INTERVIEW QUESTIONS: FOR ENGINEERS

1) What is the perpendicular axis theorem?
2) What is the parallel axis theorem?
3) Is it possible for a particle to describe a curved path if no force acts on it?
4) Does the answer of the question above depend on frame of reference chosen to view the particle?
5) What are the different types of Information Systems?
6) Explain the functions of the different types of Information Systems?
7) What is an extrinsic semiconductor?
8) Define ‘stability factor’.
9) Describe foldback current limiting
10) What is meant by PIV?
11) What is the PIV of a diode in bridge rectifier.
12) Why is fixed bias not commonly used in an amplifier?
13) Differentiate between an intrinsic and extrinsic semiconductor.
14) What is the principle of a phototransistor?
15) What is deuterium?
16) Why are diamond and graphite so different?
17) What is meant by interference? Where is it used?
18) What is total internal reflection? Where is it seen?
19) What is meant by line voltage and phase voltage in a three phase transformer?
20) What is the difference between AC and DC current? What are their relative advantages?
21) Why do generators require Neutral Grounding and not Phase grounding?
22) What is meant by Active Power and reactive power?
23) What is the de-rating factor?Why does a Single phase induction requires starting winding?
24) Why is distributed winding in three phase alternator preferred over concentrated winding?
25) Thevinin’s theorem is ----- of Norton’s Theorem.
26) What is the resultant of two equal forces of magnitude ‘P’ acting at an angle α with each other
27) The expression for the moment of inertia of a triangle, in term of its base ‘a’ and
height ‘h’, about its (triangle) base is .……..?
28) The range of projectile is maximum when the angle of projection is what?
29) What is the resultant of two equal forces of magnitude ‘P’ acting at an angle α with each other?
30) Three resistances of 3 ohm each are connected in delta. The value of the resistances in the equivalent star is……..?
31) A particle inside a hollow sphere of radius ‘r’ having coefficient of friction can rest upto height equal to…….?
32) Define AC emitter resistance.
33) What is a multistage amplifier?
34) What is a ‘coupling capacitor’?
35) What is a ‘bypass capacitor’?
36) State the advantages and disadvantages of direct-coupling.
37) What is meant by ‘displacement error’?
38) Name some applications of direct-coupling.
39) Why is a collector physically largest and the base physically smallest in size?
40) What is a voltage regulator?
41) What are the features of SCSI bus?
42) What is ‘Hit ratio’ for cache access?
43) What happens to the input resistance based on type of feedback in an amplifier?
44) Define gain bandwidth product of a tuned amplifier.
45) Why is a monostable multivibrator also called as a delay circuit?
46) What is the ideal ratio for NPK fertilizers?
47) Who won the Nobel Prize for Chemistry this year/ last year? What discovery/ invention is he credited with?
48) What is polymerization? How is it done-write the equation.
49) What is Perspex?
50) What is TNT? Draw its structure.
51) What is RDX?
52) Which chemicals are used in soaps and detergents?
53) Which chemicals are used in perfumes?
54) What is BHC? Write the structure?
55) What is the difference between Distillation and Fractionation?
56) What does the catalytic converter on an automobile do?How can the performance of a computer can be measured?
57) What are the measures to improve the performance of a computer?
58) Differentiate between memory mapped I/O and I/O mapped I/O.
59) Define miss penalty for cache access.
60) Describe the use of Interrupts with an example.
61) Explain what is meant by a ‘split bus operation’. How can it be connected to two fast devices and one slow device?
62) Explain how four devices can be connected in a ‘daisy-chain method’ to process their interrupt requests
63) Describe the use of shift and rotate operations with examples
64) What is frequency stability of an oscillator?
65) List any two complier construction tools, indicating their inputs and outputs.
66) Briefly explain any two language conventions that impact the difficulty of lexical analysis.

67) Define ‘Nondeterministic Finite Automation’ (NFA)
68) Explain how ‘next use’ information about names in basic blocks can be collected
69) Explain how declarations are processed by a computer.
70) Why is it necessary to generate an intermediate code instead of generating the target
program itself?
71) What is meant by ‘syntax-directed translation’?
72) How it this used for translation of expressions?
73) List the tasks performed by a lexical analyzer
74) What are the issues to be considered in the design of a lexical analyzer?
75) Define concrete with suitable examples.
76) Define abstract syntax with suitable examples.
77) List the factors to be considered for top-down parsing.
78) What is meant by ‘copy-restor’?
79) Are there any issues in static allocation?
80) Define ‘back patching’
81) List some issues that may arise while generating code.
82) What is the role of ‘declaration statements’ in intermediate code generation?

Specifically for Computer Engineers

83) What is VHDL?
84) What is Verilog HDL?
85) What is the difference between VHDL and Verilog HDL?
86) What are the logical operators used in HDL?
87) Explain signal assignment statements. Give examples.
88) Explain variable assignment statements. Give examples.
89) What are the data types available in VHDL?
90) What is ‘Module Instantiation’? Give an example
91) What is meant by Fetch and Execute cycles of a computer-for an addition operation?
92) What is meant by synthesis information from entity and module
93) Compare and contrast a microprocessor and microcontroller.
94) What are external interrupts?
95) How are external interrupts handled in 8051?
96) Which is INTEL’s latest microprocessor?
97) What is meant by dual-core and quad-core microprocessors?
98) Is a quad-core processor really better?
99) How is Microsoft’s Vista different from its earlier OS?
100) Who were the founders of Microsoft?
101) How is Vista different from Windows XP?
102) Explain CSMA/CD Protocol
103) What is WAN and where it is used? How it is different from LAN and MAN?
104) What is a Firewall?
105) How would I put my socket in non-blocking mode?
106) How does Routing work?
107) What exactly is Virtual Private Network (VPN)? How does it work?

Specifically for Civil Engineers

108) Name some important bridges. What is special about them?
109) How is the load distributed in a cantilever?
110) How is stress distributed?
111) For a building of 100 feet, how deep must the foundations be?
What is the permissible length of weld for reinforcing bars in RCC members as per the I.S. Code?
112) What is the bearing capacity of soil?
113) What is the Rolling Constant?
114) What are SAW pipes?
115) What is the gear ratio? How can it be calculated?
116) What are the types of principal stresses?
117) What is the Pneumatic pressure for Industrial applications?
118) A bolt size of M33*2 bolt size refers to?
119) What is the procedure of I.C. engine testing?
120) What are rotary engines? How are they different from the normal engines?
121) In a cantilever beam carrying a concentrated load at the free end, the bending moment will be zero at ___________?
122) In a cantilever beam carrying a concentrated load at the free end, the bending moment will be maximum at _____________?