AAI Model question paper for the post Sr. Assistant Electronics

Can you please provide me the Model question paper of Airports Authority of India for the post of Senior Assistant (Electronics)???

The Airports Authority of India conduct examination to recruit the candidate for the post of Senior Assistant (Electronics)

Important sample technical questions for AAI Placement Test:
electronics (engineering), communication, electrical, b.tech
What is a radar used for?
Which frequency do we use in MTI radar (COHO)?
What do you mean by CMRR of an amplifier?
Conversion related questions (binary to hexadecimal, decimal to hex)
Numericals (peak power)
What do you mean by FPGA?
In which OSI layer do we use the bridge?
Various other questions based on OSI Layer (Computer networking questions), TCP/IP
protocols (multiple choice type)
Why do we use a delayed AGC?
Numericals based on voltage & current sources.
What is VCO?
Why do we use firewalls?
What is mirroring, RAID, etc.
Relation between transmitted power & range. If we increase power by 16, range increases
by ?
Where do we use an AGC in a circuit?
(reciever, oscillator, both, ?)
What kind of feedback is used in an amplifier? (A question similar to this)
is free running. a)monostable multivibrator b)astable c)both d)none
Find input impedance of a transmission line.
Question about Workstations of DNS Server.
Rest of the Questions are attached in below file which is free of cost

AAI Question paper

1. In a row of children, Manoj is fifteenth from the left end of the row. If he is shifted towards the right end of the row by four places, he becomes eighth from the right end. How many children are there in the row?
(a) 27
(b) 26
(c) 28
(d) 24
2. How many such numerals are there in the number 2576489, which will remain at the same position when arranged in ascending order from left to right?
(a) One
(b) Two
(c) Three
(d) More than three
3. In a class of 40 children, Manmeet’s rank is eighth from the top. Vishal is five ranks below Manmeet. What is Vishal’s rank from the bottom?
(a) 27
(b) 29
(c) 28
(d) 26
4. Three of the following four are alike in a certain way. Find the one that does not belong to this group?
(a) Coriander
(b) Mustard
(c) Cumin
(d) Clove
5. ‘Seed’ is related to ‘Fruit’ in the same way as ‘Fruit’ is related to:
(a) Tree
(b) Branch
(c) Flower
(d) Petal
6. Three of the following four are alike in a certain way. Find the one that does not belong to this group?
(a) Van
(b) Truck
(c) Cargo
(d) Trolley
7. If it is possible to make a three digit number, which is perfect square of a two digit number from the second, the fourth and the eighth digits of 31792056 using each digit only once, what is the two digit number? If the perfect square cannot be formed, your answer is ‘N’ and if more than one such numbers can be formed , your answer is ‘X’
(a) 14
(b) 16
(c) N
(d) X
8. Pointing to a woman, Suresh said, she is the daughter of my grandfather’s only daughter. How is Suresh related to the woman?
(a) Brother
(b) Cousin
(c) Uncle
(d) Cannot be determined
9. ‘Visual’ is related to ‘Light’ in the same way as ‘Audio’ is related to:
(a) Voice
(b) Sound
(c) Drama
(d) Noise
10. ‘Jackal’ is related to ‘Carnivorous’ in the same way as ‘Goat’ is related to
(a) Omnivorous
(b) Carnivorous
(c) Herbivorous
(d) Multivorous
11. In a certain code ‘DESCRIBE’ is written as ‘FCJSDTFE’. How will ‘CONSIDER’ be written in that code?
(a) SPEJTOPD
(b) SEFJTOPD
(c) QFETJOPD
(d) QEFJTOPD
12. Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?
(a) Shampoo
(b) Talcum Powder
(c) Hair Oil
(d) Cosmetics
13. Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?
(a) 71
(b) 73
(c) 67
(d) 77
14. Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?
(a) Leaf
(b) Flower
(c) Branch
(d) Pollen
15. Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?
(a) Jasmine
(b) Rose
(c) Dahlia
(d) Lotus
16. ‘Radish’ is related to ‘Root’ in the same way as ‘Brinjal’ s related to
(a) Fruit
(b) Stem
(c) Flower
(d) Root
17. Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?
(a) Physiology
(b) cardiology
(c) Pathology
(d) Radiology
18. ‘Iron’ is related to ‘Metal’ in the same way as ‘Brass’ is related to
(a) Iron
(b) Alloy
(c) Copper
(d) Zinc
19. In a certain code RAID is written as %#ê$, RIPE is written as %ê@©. How is DEAR written in that code?
(a) @©#%
(b) $@#%
(c) @$#%
(d) $©#%
20. If blue is called red, red is called green, green is called black and black is called white, what is the colour of grass?
(a) red
(b) black
(c) white
(d) green
Directions (21-25): In each of the question below are given three statements followed by two conclusions numbered I and II. You have to take the three given statements to be true even if they seem to be at variance with commonly known facts, and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts. Give the answer:
(a) if only conclusion I follows.
(b) if only conclusion II follows.
(c) if either conclusion I or II follows.
(d) if neither conclusion I nor II follows.
(e) if both conclusions I and II follow.
21. Statements:
a. Some pins are forks.
b. All forks are keys.
c. No key is lock.
Conclusions:
I. Some forks are pins.
II. No lock is a pin.

22. Statements:
a. Some shirts are trousers.
b. Some trousers are jackets.
c. All jackets are shawls.
Conclusions:
I. Some shawls are shirts.
II. Some jackets are shirts.

23. Statements:
a. Some leaves are plants.
b. Some plants are trees.
c. Some trees are fruits.
Conclusions:
I. Some fruits are trees.
II. Some trees are plants.

24. Statements:
a. Some rats are dogs.
b. Some dogs are horses.
c. Some horses are camels.
Conclusions:
I. Some horses are rats.
II. Some camels are horses.

25. Statements:
a. Some books are dictionaries.
b. Some dictionaries are files.
c. Some files are papers.
Conclusions:
I. Some papers are files.
II. Some files are books.

Answer Key:

1. b, 2. d, 3. c, 4. b, 5. c
6. c, 7. d, 8. b, 9. b, 10. c
11. a, 12. d, 13. d, 14. d, 15. e
16. a, 17. d, 18. b, 19. d, 20. b
21. c, 22. d, 23. e, 24. b, 25. a
36 Comments

As you want I am here providing you sample paper for AAI exam for Sr. Assistant Electronics exam .

Sample paper :

1) Radar is a contraction of word ________ .
2) Radar range is measure in ______ unit.
3) What do you mean by second time around echoes.
4) What do you mean by maximum unambiguous range.
5) What is pulse repetition frequency?
6) What is minimum detectable signal.
7) Which factor affects the maximum radar range.
8) Frequency bands for radar system is _____ .
9) What do you mean by false alarm.
10) What is radar cross section of target.

11) MTI stands for ____ .
12) What do you mean by coherent signal.
13) What do you mean by non coherent signal.
14) What is function of delay line canceller.
15) What is function of phase detector.
16) Why output of MTI stage is bipolar
17) What is function of Tracking radar.
18) Which are the different methods for generating error signal in Tracking radar.
19) Explain function of COHO & STALO in MTI radar.
20) Explain function of duplexer.

21) What is Klystron.
22) Which are the different types of klystron.
23) What is the use of klystron.
24) What do you mean by mode.
25) What is the condition for maximum amplification in klystron.
26) How much is the efficiency of reflex klystron.
27) How much is the efficiency of magnetron.
28) Why magnetron is called cross field device.
29) Which mode is used for oscillation in magnetron.
30) How R. F. field is generated in magnetron.

31) What do you mean by Directivity.
32) What is power gain.
33) What is Effective aperture area
34) What is effective length.
35) What is aperture efficiency.
36) What is radiation resistance.
37) What do you mean by efficiency.
38) What is radiation intensity.
39) Which are the different feeds for paraboloids.
40) Which are the different types of lens antennas.

41) What is the function of radar receiver.
42) What do you mean by noise figure.
43) First stage of radar receiver is _____ .
44) What is the function of mixer.
45) What is the function of duplexer.
46) Which are the different types of duplexers.
47) What is the function of display unit.
48) Which are the important parameters of mixer.
49) What is conversion loss.
50) What is low noise temperature loss.
51) what do you mean by clutter.
52) Which are the different types of clutters.
53) What do you mean by radar cross section .
54) What do you mean by surface clutter.
55) What is angel echoes.
56) What is sea clutter.
57) What is function of synthetic aperture radar
58) What is the function of HF over horizon radar.
59) What is use of synthetic aperture radar.
60) What is use of Hf over horizon radar.

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Answered By StudyChaCha Member

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