Previous years question papers of AAI ATC exam

I want to apply for the post of ATC in Airports Authority of India so for that I need to get the previous year question papers so can you please help me in getting this?

As you want to get the previous year question papers for the post of ATC in Airports Authority of India so here is the information of the same for you:

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

Contact Details:
Airports Authority of India
IGI Airport,
Indira Gandhi International Airport,
New Delhi,
Delhi 110037
India

Map Location:

Here I am providing the list of few questions of AAI Jr. Executive ATC exam question paper which you are looking for .

1. Which of the following schemes have the best error performance with the same energy per bit?
1. 16QAM b. 16PSK c. QPSK

2. Same Antenna is used for Tx and Rx. Radar range related to Antenna gain as
1. Directly prop. To G
2. Direc. Prop. To sq. root of G
3. Inversely prop to G

3. Thermal Noise in conductor related to B
1. B
2. 1/B
3. B2
4. Square root of B

4. A control system with feed back gain 0.1 and forward gain 10. What is the sensitivity of the system w.r.t the feed back system.

5. The value of ‘k’ for the system to be stable is. ( 6th degree Characteristic Eqn given)

6. Which of the following system is stable.
1. As2 + Bs +C
2. As2 – Bs +C
3. As4 + B s3 +Cs+D
4. -As2 – Bs -C

7. Linux OS based on which architecture

8. Comparison betweeb Macro and Subroutine
1. Macro better that Sub Rtne with respect to storage time and execution time
2. Vice versa
3. Macro better that Sub Rtne with respect to execution time only
4. Vice versa

9. Which of the following is a privileged instruction?
1. MOV A B
2. INT 21
3. ADD A B
4. IN 08

10. Which of the following instruction is not converted to binary by an Assebly Language Program?
1. TRAP
2. Interrupt
3. Privilige instruction
4. Sorry don’t remember

11. In which type of machine can multiple tasks be done
1. Virtual Machine
2. Sorry don’t remember

12. Which of the following has the highest distortion?
1. A
2. B
3. AB
4. C

13. Which of the following distortions occur in Class B push pull amplifier?
1. Harmonic
2. Intermodulation
3. Phase
4. Sorry don’t remember

14. ?(s)/T(s) of a rotational system (J,B,k regular notaions)

15. Schmitt Trigger with 3V & 1V UTP and LTP respectively. A sinusoidal input with 10V peak is fed as the input. The output swings between

16. Op-amp circuit given. Identify the circuit (Ans: Peak detector)

17. 6 bit binary ladder with 101001 as input ( 0= 0V , 1 = 10V). Output voltage is ——

18. Doppler Radar of 1125 MHz. Frequency of received echo is 125 MHz. The conclusion is
1. Target also has a radar
2. Target moving away
3. Target approaching

19. Microprocessor cycles between
1. Fetch and Execution operations.
2. Fetch and Halt

20. Modulation index of an FM system with 2.5V, 500 Hz input and 5KHz deviation is

21. Routh’s Criterion gives
1. Number of roots on the LHS of S plane
2. Number of roots on the RHS of S plane

22. For the system to be stable, the roots of the characteristic Equation must lie
1. Left side of the S plane
2. Right side of s plane

23. Impulse response h(t) of a system is
1. Inverse Laplace transform of Transfer Function

24. The output of a LTI system with Guassian process input is
1. Gaussian
2. Poisson

25. Spectral Density and Auto-Correlation are
1. Laplace Transform pair
2. Fourier Transform Pair.

26. A flex Klystron is a
1. Microwave amp
2. Microwave Oscillator
3. Both amp and Oscillator
4. High cavity tube

27. S Matrix related question.

28. Block diagram given

Oscillator(1MHz) à Divider (/ 10^6) à Schmitt Trigger à Flip Flop à. Output is

1. Pulse Train of width 1 sec
2. Pulse Train of width 2 sec
3. Pulse Train of width 0.5 sec

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Answered By StudyChaCha Member