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EKT 2 2016 EEE ECE Original Questions

EKT 2 2016 is conducted along AFCAT 2 2016 Exam in Sep 2016. EKT contains questions dealing with basic concepts of your discipline of engineering. This test is crucial as it is compulsory to clear it, if you clear AFCAT and fail this test, you can’t make it in the technical branch.

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EKT 2 2016 EEE ECE Original Questions

EKT 2 2016 EEE ECE Original Questions

1. The value of Sin + Cos will be greatest when =
a. 30
b. 45
c. 60
d. 90

2. Out of the following, which is not emitted by radioactive substance?
a. Electrons
b. Electromagnetic Radiations
c. Alpha Particles
d. Neutrons

3. Railway tracks are banked on curves
a. so that necessary centrifugal force may be obtained from horizontal component & weight of the train
b. to avoid frictional force between the tracks and wheels
c. so that necessary centripetal force may be obtained from the horizontal component & weight of the train
d. so that the train may not fly off in the opposite direction

4. Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 7 seconds. if the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?
a. 1.8 km, 0.15 km
b. 2.2 km, 0.20 km
c. 2.8 km, 0.25 km
d. 3.3 km, 0.60 km

5. The most abundant rare gas in the atmosphere is
a. He
b. Ne
c. Ar
d. Xe

6. Quantizing noise occurs in
a. PCM
b. Time – division – multiplexer
c. FDM
d. PPM

7. Which of the following antennas is best excited from a waveguide
a. Biconical
b. Horn
c. Helical
d. Discone

8. The peak transmitted power in a radar system is increased by a factor of 16 the maximum range will be increased by a factor of
a. 2
b. 4
c. 8
d. 16

9. In a communication system if modulating frequency is doubled, the modulation index is also doubling, the system is
a. FM
b. AM
c. PM
d. Both FM and AM

10. The bandwidth requirement of a telephone channel is
a. 3 KHz
b. 5 KHz
c. 10 KHz
d. 15 KHz

11. In class A operation of an amplifier the current flows through the active device for
a. Whole of the input cycle
b. Half of the input cycle
c. More than half of the input cycle
d. More than three fourth of the input cycle

12. P Type Semiconductor material as a whole is
a. Positively charged
b. Negatively charged
c. Electrically neutral
d. Dipole

13. Waveguides are not used for frequencies below
a. 1 Ghz
b. 10 Ghz
c. 100 Ghz
d. 500 Ghz

14. The target cross section is changing, the best system for accurate tracking is
a. Monopulse
b. Conical scanning
c. Sequential locking
d. lobe swithing

15. Schmitt trigger can be used as a
a. Comparator
b. Square wave generator
c. Flip flop
d. all of these

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