est2 coaching 2_rtu

7/29/2019 Est2 Coaching 2_rtu

1/6

Coaching: ESAT 2

No. NS Answer

7 AND 1/2

TE 20

780p33 1227.__ to 1575.__

153 flicker

273 maximum power transfer

393 EIA/TIA-455-34

513 loose tube d

tight buffered design

graded index fiber

170(VHF) , 155(UHF)

half power points

20 to 50 m

EIA/TIA-455-61

3-5 miles

afternoon or early evening

20 ft

1333 microsec.

10 Mbps

10.2 microsec.

1 sample per second

1st mile

EIA/TIA-455-59

125 micrometerLog periodic dipole antenna

less than 36

4

third

VTM

black

collinear antenna

88% to 98%

10-15m

greater

electronicam

increase

ribbon cable

modal effect

increase

low noise figure

wireless fiber

900 micro meter

Group Name: RTU


2/6

beige

yagi

256

50 - 200um

1/4 to 1/3

zigbee

0.2 micro ampere50 hz

4.5 Mhz

4.37 GB

3dB

true

?

0.2

Isolator

SLIC

Paging channel

Class A

802.5

Multimode fiber

Class C

Kennelly-Heaviside layers

AM

EIA/TIA 455-107

Directivity

PLL

Critical frequency10 microseconds

1330 microseconds

Graticule

Shutter

PEP

2 Watts

PWM

R3E


3/6


4/6

Date: Feb. 25, 2013

Question

one word in telegraphy has ____ character bit plus space bit

no electric field in the direction

HDTV w/c adapts to the ISOwhat is the central frequency of a NAVSTAR positioning system?

field interlacing is done to reduce

input impedance=output impedance (Zo=Zl) _________ will happen

what is the design that is used for backboke connections and master computers, patch panels etc.

the refraction index varies gradually.

co channel separation for VHF and UHF

beamwidth is measured between

a decca system has a acurracy of______

used to test optic fiber using OTDR

practical distance of wimax

transequatorial propgation is best during

"medium distance" in data transmission is more or less

V blanking pulse

Ethernet CDMA/CD data rates

H blanking pulse

updated data rate of GSM and GLONASS

connects points of origin to uplink

use to measure attenuation in fiber optic communication

single mode glass core diameter standardLPDA stands for?

OFCC consist of how many fiber?

the control segment of GPS system conssist of how many ground antenna?

RF burn are classified as ______ degree burn

magnetron whose oscillating frequency is electronically adjustable over a wide range is called?

50nm

omega navigation system

decca navigation system

in rectangular waveguide the wavelength is_______ than free space

television recording system that shot an image on film and TV at the same time through a common lens

long wire antenna increase, null lobe

in fiber optic poorest waterblocking capability

fiber optic interference

as d length of a long wire antenna is increased the number of lobes_____

the none degenerative one port amplifier should have a hi ratio of pump to signal frequency to_____

which of the following is shortest distance

stranded fiber


5/6

62.5nm optic fiber

_______ antenna made up of driven element and one or more directors

GIF compression is lossless, suports tranparency, but allows maximum of only_____colors.

multimode fiber core diameter

average power typically ______ of PEP

802.15.4

vidicon currentrefresher rate of PAL

difference on picture and sound carrier

12 cm DVD

twice bandwidth, others constant signal drops

wavelength of waves in waveguide is faster than waves in free space

ALPF stands for?

In fiber optics, fusion and mechanical splicing has a loss of _____ dB or less.

Permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal

attempting to travel in the reverse direction.

Provides basic functions of telephones such as ringing, dial tone and dialing supervision.

A cellular signaling channel used for administrative overhead.

What bias produces the lowest harmonic frequency?

What standard for token ring passing?

What type of optical fiber operates below the cutoff wavelength?

Best describes as an amplifier used in radio telephony?

The E layers are known as _____.

SSB modulation is classified as _____.

Standard for measurement of reflectance.

Ability of an antenna to send/receive in narrow beam.

Circuit used for demodulation in FSK.

Highest frequency that can be sent back to the earth by the ionosphere.Horizontal blanking pulse duration

Vertical blanking pulse duration

Printed lines on the display of an instrument used as a guide for measurements.

A device that allows light to pass through the sensor of a TV camera for a determined period of time.

Power output of SSB transmitters is rated by _____.

High power proximity readers for RFID tags have effective radiated power (ERP) not exceeding _____.

Pulse modulation system which is analog.

Emission designation of a single sideband reduced carrier signal.


6/6

est2 coaching 2_rtu

Documents