Question85:-KU band used for satellite communicationis ____
A:-10.0 0 19.0 GHz
B:-10.7 to 19.7 GHz
C:-20.0 to 31.0 GHz
D:-20.7 to 31.7 GHz
Correct Answer:- Option-B
Question86:-Frequency band referred as 6/4 GHz is named as
2:41 वे
B:-C band
C:-KU band
D:-KA band
Correct Answer:- Option-B
Question87:-A dish antennae used in DTH service consist of 8 paraboloid reflector of about ___ diameter
A:-15 cm to 30 em
B:-25 cm to 50 cm
C:-45 cm to 90 cm
D:-115 ला to 150 cm
Correct Answer:- Option-C
Question88:-LNB stands for
A:-Less noisy block
B:-Low noise block
C:-Left norm balloon
D:-Linear norm block
Correct Answer:- Option-B
Question89:-The set top receivers output lies in the frequency band of
A:-30 to 300 MHz
B:-300 to 3000 MHz
C:-600 to 900 MHz
D:-900 to 1400 MHz
Correct Answer:- Option-D
Question90:-A transponderisa _
A:-Sort of transmitter
B:-Sort of relay station
C:-Frequency channel used by a satellite station
D:-None of the above
Correct Answer:- Option-C
Question91:-A CCTV security system installed in border areas for day and night watch containsa __ CCTV camera
A:-Infrared
B:-Day and night
C:-Dome
D:-PTZ
Correct Answer:- Option-A
Question92:-The output of a CCTV camera should be
۵-01۷ ۴
5:-1.0۷ ‏۳۲٣‎
‎6.0۴
‎D:5 VP-P
Correct Answer:- Option-B
Question93:-The smallest size CCTV camera is
A:-Dome type
B:-Bullet type
C:-PTZ type
D:-Outdoor type
Correct Answer:- Option-B
Question94:-In DTH system a ____ is necessary in addition to dish antennae and cable etc
ക:
B:-LNB
C:-Set top receiver
D:-Transponder