Airport Authority Of India Jr. Executive Question Paper

I am going to participate in Airport Authority Of India Junior Executive exam, so need Question Paper for good preparation, can you provide here?

The Airport Authority Of India Junior Executive exam questions are given below:

1. In a communication system, noise is most likely to affect the signal
(a) at the destination
(b) In the channel
(c) in the information source
(d) at the transmitter

Ans :: b

2. Broadband long distance communications are originally made possible by
the advent of
(a) telegraph cables
(b) repeater amplifiers
(c) HF radio
(d) Geostationary satellites
Ans :: b

3. Which of the following characterizes an analog quantity?
(a) Discrete levels represent changes in a quantity.
(b)Its values follow a logarithmic response curve.
(c)It can be described with a finite number of steps.
(d)It has a continuous set of values over a given range.
Ans :: d

4. A differential amplifier has a differential gain of 20,000 . CMRR=80 dB. The common mode gain is given by
(a) 2 (b) 1 (c) 1/2 (d) 0

Ans :: a

5. Indicate the false statement. Fourier analysis shows that the saw tooth
wave consist of
(a) fundamental and subharmonic sine waves
(b) a fundamental sine wave and an infinite number of harmonics
(c) fundamental and harmonic sine waves whose amplitude decreases with
the harmonic number
(d) sinusoidal voltages, some of which are small enough to ignore in
practice
Ans :: a

6. The most commonly used amplifier in sample & hold circuits is
a) A unity gain non-inverting amplifier b) A unity gain inverting amplifier
c) An inverting amplifier with a gain of 10 d) An inverting amplifiers with a gain of 100

Ans :: b

7. What is the maximum data rate sustainable by a noisy channel with a bandwidth of 10KHz and a
signal to noise ratio of 2047?
(a) 110 Kbps (b) 1 Kbps (c) 20 Kbps (d) 1023 Kbps (e) 10 Kbps

8. UTP cables are twisted to
(a) reduce the cross talk. (b) decrease the length. (c) strengthen them.
(d) make them easier to use in networks. (e) reduce the cost of manufacturing.

9. Select the correct statement(s).
(a) The physical topology of an Ethernet LAN connected through a switch is a star.
(b) The physical topology of an Ethernet LAN connected through a Hub is a Star topology.
(c) The physical and logical topologies of networks are always different.
(d) The Internet can be considered as a network with a Bus topology.
(e) The physical topology of all types of Ethernet LANs is a Bus topology.

For detailed paper here is attachment:

Attached Files Available for Download

	AAI JR Executive Paper.doc (36.5 KB, 128 views)
	AAI JR Executive Paper 1.doc (25.0 KB, 99 views)