U F192209 Pages:5

Reg No.: Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SIXTH SEMESTER B.TECH DEGREE COMREHENSIVE EXAMINATION(S), DECEMBER 2019

Course Code: EC352
Course name: COMPREHENSIVE EXAM
Max. Marks: 50 Duration: | Hour
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

k
⋅ ↥⋅
∣∏↕⊜⊱⋃⋯∘≸↧↾↿⊖⊰⊖∏⊖⊱∑⇂≺∘∘−−∘ 6 is

a) 1 b) 2 ௦) 1 d) 1
3 3 2
2. The solution of the differential equation 7 — 4y’ + 4y = 0 is

a) y=(A+Bx)e?* b) ¬) = (4 + 52)€ > ஐ y=(A+Bx)e* 0) y=(A+Bx)e~*

3. The resultant of two equal forces has the same magnitude as either of the forces, then the angle
between the two forces is

a) 120° b) 30° c) 90° d) 60°

4. Two bodies of masses m; and m2 are dropped from the top of a tower of same height. When
these bodies reach the ground, their kinetic energies will be in the ratio

a) 1:2 0) 72 c) 1:4 9) 1:1

5. The top view of a pentagonal prism with axis perpendicular to the vertical plane and parallel to
horizontal plane will be a

a) Pentagon b) Rectangle c) Trapezoid d) Straight line
6. In perspective projection the object is assumed to be kept on which of these planes.

a) Picture plane b) Horizon plane c) Ground plane d) Central plane
7 Which is the most abundant element available in the atmosphere?

a) Oxygen b) Nitrogen c) Argon d) Carbon di oxide
8. The total amount of greenhouse gases produced to directly and indirectly support human

activities, usually expressed in equivalent tons of carbon dioxide

a) Carbon Dating b) Carbon Trading c) Carbon Footprint மு Carbon Factor
9. One of the pins in a 3 pin plug top is bigger than the rest. This is most closely related to design

for ‘X’, where ‘X’ is

a) Assembly b) Manufacturing c) Life cycle Cost d) Environment

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