U 11111 Pages: 4

Reg No.: Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SIXTH SEMESTER B.TECH DEGREE COMPREHENSIVE EXAMINATION, MAY 2019

Course Code: EC352
Course name: COMPREHENSIVE EXAM (EC)
Max. Marks: 50 Duration: 111007

Instructions: (1) Each question carries one mark. No negative marks for wrong answers
(2) Total number of questions: 50
(3) All questions are to be answered. Each question will be followed by 4 possible answers of
which only ONE is correct.
(4) If more than one option is chosen, it will not be considered for valuation.
(5) Calculators are not permitted

PART A- COMMON COURSES

1. ० 1
The infinite series >, ——
1-1 7 ¢
a) Converges if b) Converges if c) Converges if d) Diverges if
0141 021 251 021
2. The Wronskian of ८05 ‰ and sinx is
a) 0 0) (०52८ - 57012 ©) 2cosxsinx 0) 1
3. The equivalent stiffness of two springs of stiffness ട1 and s2 joined in series is
a) sls2/(s1+s2) 0) (sI/s2)/(s1+s2) © sl+s2 ५) 2
4. A bullet of mass 0.03kg moving with a speed of 400m/s penetrates 12cm into a fixed block of
wood. The average force exerted by the wood on the bullet will be
a) 10 b) 201 c) OkKN ५) 151
5. Which among the following is not a Functional constraint?
a) Overall b) Forces Involved c) Quality control d) Materials to be
Geometry used
6. A structured planning method used to evaluate weakness, strength ,opportunities and threats of
design:

a) SWOT analysis 0) Design analysis ௦) WOST analysis 0) Matrix design

7. Eutrophication of water bodies is caused by the presence of
a) excessive b) Excessive c) phosphorous d) Algae
dissolved oxygen dissolved (05 and nitrogen
nutrients
8. A major advantage of Pyrolysis in converting biomass to energy is
a) 15 heating to b) that Carbon c) the Oxygen d) the absorption
100001 Dioxide is not generated as the CO> during the
produced by-product 1 8

process

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