1. What is benefit of WI-FI?
A. Power Saving
B. Cost Less
C. Mobile Data
D. Small Set
Answer :- C. Mobile Data
2. What is the another name of Mobile Phone ?
A. Cellular
B. Nikia
C. Airtel
D. Battery
Answer :- A. Cellular
3. What is the principle of Radio Telephony procedure ?
A. BASS
B. BESS
C. BOSS
D. BUSS
Answer :- A. BASS
4. What is the full Form of RT?
A. Radio Transmeter
B. Radio Transfer
C. Radio Term
D. Radio Telephony
Answer :- D. Radio Telephony
5. What oi the meaning of computer
A. Common Operating Machine
B. Operating Register
C. Operating Process
D. Operating Projector
Answer :- A. Common Operating Machine
6. What is the range of Motorola Set ?
A. 02-03 km
B. 04-05 km
C. 05-06 km
D. 07-08 Km
Answer :- B. 04-05 km
7. How many types of call ?
A. One
B. Two
C. Three
D. Four
Answer :- D. Four
8. Which of these are the parts of Walkie_Talkie?
A. Antenna
B. Bettery
C. Channel
D. All of the above
Answer :- D. All of the above
9. Walkie_Talkie is formally knows as ?
A. Radio Set
B. Redio Transmitter
C. Hand held transreceivr
D. Radio Receiver
Answer :- C. Hand held transreceivr
10. GP338 Motorola workds in which Band?
A. HF & VHF
B. VHR
C. UHF
D. VHF & UHF
Answer :- D. VHF & UHF
11. How may Zone and channel are there in GP 338 Motorola ?
A. 4 &128
B. 8 & 128
C. 8 & 64
D. 4 & 64
Answer :- B. 8 & 128
12. GP338 Motorola workds in which Mode ?
A. 2 Way Duplex
B. 1 Way Simplex
C. 2 Way Simplex
D. 1 Way Duplex
Answer :- C. 2 Way Simplex
13. There are how many types of Radio Communications ?
A. 1
B. 2
C. 3
D. 4
Answer :- B. 2
14. What are types of Radio Telephony Communication?
A. RT Conversation
B. Formal Message
C. Undergistered (UP) Message
D. All of the above
Answer :- D. All of the above
15. Full form of AI is ?
A. Air Investigation
B. Airforce India
C. Artificial Interlligence
D. Army Intelligence
Answer :- C. Artificial Interlligence
16. When A Call is addressed to All Radio Stations is called as ?
A. Single Call
B. Net Call
C. Multiple Call
D. None of the above
Answer :- B. Net Call
17. The letter ‘A’ in BASS in RT Procedure stand for ?
A. Army
B. Air force
C. Artificial
D. Accuracy
Answer :- D. Accuracy
18. The letter ‘B’ in BASS in RT Procedure stand for?
A. Brave
B. Bomb
C. Brevity
D. Blood
Answer :- C. Brevity
19. The letters ‘SS’ in BASS in RT Procedure stand for?
A. Swift and Secure
B. Simplex & Swaift
C. Security & speed
D. Simple & Secure
Answer :- C. Security & speed
20. Which are the Standard phrases used in RT Procedures ?
A. Over
B. Roger
C. Wilco
D. All of the above
Answer :- D. All of the above
21. Who invented telephone ?
A. Issac Newton
B. CV Raman
C. Alezander Graham Bell
D. Mery Query
Answer :- C. Alezander Graham Bell
22. What does radio relay means?
A. Series of Radio Transmitter & Receiver
B. Redio & Communication
C. Radio & Set
D. Radio & Television
Answer :- A. Series of Radio Transmitter & Receiver
23. When was wi-fi came into existence?
A. 1999
B. 1998
C. 1997
D. 1991
Answer :- C. 1997
24. How may people ware using mobile at the end of 2010?
A. 7.26 Billion
B. 3.5 Crore
C. 4.6 Billion
D. 10 Lakh
Answer :- C. 4.6 Billion
25. What is take appointment code of Commander?
A. Eagle
B. Tiger
C. Bull
D. Elephant
Answer :- B. Tiger
26. What is take appointmetn code of Ordnance?
A. Eagle
B. Tiger
C. Bull
D. Elephant
Answer :- D. Elephant
27. Which radio set is used by Defence Forces ?
A. Midland G7 Pro
B. ICOM-10
C. KENWOOD
D. GP 338 Motorola
Answer :- D. GP 338 Motorola
28. What is the Range of Troposcatter?
A. 70-1000km
B. 50-500km
C. 60-600km
D. 80-800km
Answer :- A. 70-1000km
29. Which of the following is not part of Information Technology?
A. Computer
B. Internet
C. Telephone
D. Email
Answer :- C. Telephone
30. MODEM is used for Transmitting Digital Signal over ?
A. Redio Set
B. Email
C. Mobile Phone
D. Telephone Lines
Answer :- D. Telephone Lines
31. Three Letter Group allotted to HQ/Formation or Unit to conceal their Identity is called ?
A. Line Sign
B. Code Word
C. Code Sign
D. Nick Name
Answer :- C. Code Sign
32. Radio Relay implies series of Radio Transmitter and Receivers which are normally spaced between_____ Km?
A. 10-15 KM
B. 20-35 KM
C. 15-20 Km
D. 40-50 km
Answer :- B. 20-35 KM
33. Which of the transmission medium can not be used by FAX ?
A. Micro wave Radio
B. Telephone
C. Line
D. Hand Held Radio Set
Answer :- D. Hand Held Radio Set
34. Radio Communication involved the following ?
A. Open & Close
B. Net Radio and Radio Relay
C. Radio and Line
D. Radio and Internet
Answer :- B. Net Radio and Radio Relay
35. How many types of Electromagnetic Wave Propagation is there in Radio Communication?
A. 3
B. 4
C. 5
D. 6
Answer :- B. 4
36. Which Application can be used for Video Conferencing ?
A. Goolge Meet
B. Cisco Webex
C. zoom
D. All of the above
Answer :- D. All of the above
37. When the first satellite was launched by India?
A. 19-Apr-75
B. 19-Apr-78
C. 19-Apr-73
D. 19-Apr-99
Answer :- A. 19-Apr-75
38. Walkie-Talkies was developed by ?
A. Donald L Hinge
B. Alfred J Gross
C. Engineering Team of Motorola
D. All of the above
Answer :- D. All of the above
39. Which of the following is not the Communication Satellite ?
A. CARTOSAT-3
B. GSAT-10
C. GSAT-7C
D. INSAT-3A
Answer :- A. CARTOSAT-3
40. Tropo scatter uses lower layer of atmosphere which is below ____ Km ?
A. 15Km
B. 20Km
C. 25Km
D. 30Km
Answer :- B. 20Km
41. In Tropo scatter system, micro wave are transmitted in ?
A. High frequency (HF) & Very High Frequency(VHF)
B. Very frequency (VHF) & High High Frequency(HF)
C. Ultre High frequency (UHF) & Super High Frequency(SHF)
D. Super High frequency (SHF) & Very High Frequency(VHF)
Answer :- C. Ultre High frequency (UHF) & Super High Frequency(SHF)