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155 matching questions

Question #625Amateur Radio Regulations and Licensing

What is maximum DC input to the final stage of an amateur transmitter on 145.500MHz, if the operator has General grade license is:

  1. 25 watts ✓ Correct answer
  2. 40 watts
  3. 50 watts
  4. 100 watts

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Question #626Amateur Radio Regulations and Licensing

What is maximum DC input to the final stage of an amateur transmitter on 145.500MHz, if the operator has Restricted grade license is

  1. 5 watts
  2. 10 watts ✓ Correct answer
  3. 25 watts
  4. 100 watts

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Question #677Amateur Radio Regulations and Licensing

The Indian administration that regulates amateur radio is under

  1. Ministry of Communications / WPC wing ✓ Correct answer
  2. Ministry of Defence only
  3. Ministry of Tourism
  4. State police only
Explanation: Amateur radio licensing in India is under the central communications administration (WPC).

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Question #678Amateur Radio Regulations and Licensing

ASOC stands for

  1. Amateur Station Operator’s Certificate ✓ Correct answer
  2. Amateur Satellite Operating Club
  3. Automatic Station Operating Code
  4. Advanced Signal Operator Course
Explanation: ASOC is Amateur Station Operator’s Certificate.

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Question #679Amateur Radio Regulations and Licensing

Amateur radio may not be used for

  1. Commercial business communication ✓ Correct answer
  2. Technical experimentation
  3. Emergency communication
  4. Training in radio technique
Explanation: Business/commercial traffic is not permitted in the amateur service.

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Question #680Amateur Radio Regulations and Licensing

A station log should include at least

  1. Date, time, frequency/band and stations worked ✓ Correct answer
  2. Only your name
  3. Only antenna type
  4. Only power supply voltage
Explanation: Logs record when, where (frequency) and with whom you communicated.

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Question #681Amateur Radio Regulations and Licensing

Times in an Indian amateur log should be kept in

  1. IST (as per current rules) ✓ Correct answer
  2. UTC only always
  3. Local sundial time
  4. Any random zone
Explanation: Current Indian rules specify IST for log times.

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Question #682Amateur Radio Regulations and Licensing

The distress signal in radiotelephony is

  1. MAYDAY ✓ Correct answer
  2. SOS only on phone
  3. HELLO
  4. BREAK
Explanation: MAYDAY is the international radiotelephone distress signal.

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Question #683Amateur Radio Regulations and Licensing

The distress signal in radiotelegraphy (Morse) is

  1. SOS ✓ Correct answer
  2. MAYDAY
  3. QRT
  4. CQ
Explanation: SOS is the Morse distress signal.

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Question #695Amateur Radio Regulations and Licensing

A beacon station typically transmits

  1. One-way signals for propagation monitoring ✓ Correct answer
  2. Two-way chats only
  3. Broadcast entertainment
  4. Commercial advertisements
Explanation: Beacons send one-way signals useful for propagation study.

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Question #696Amateur Radio Regulations and Licensing

Repeater stations are commonly used on

  1. VHF and UHF ✓ Correct answer
  2. Only on DC power lines
  3. Only below 100 kHz
  4. Only optical bands
Explanation: Voice repeaters are common on VHF/UHF.

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Question #697Amateur Radio Regulations and Licensing

The standard 2-metre amateur band in many regions includes

  1. 144–146 MHz ✓ Correct answer
  2. 14–14.35 MHz
  3. 7–7.2 MHz
  4. 28–29.7 MHz
Explanation: 144–146 MHz is the common Region-3 2 m allocation segment used in India.

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Question #698Amateur Radio Regulations and Licensing

The 40-metre amateur band is around

  1. 7 MHz ✓ Correct answer
  2. 14 MHz
  3. 21 MHz
  4. 28 MHz
Explanation: The 40 m band is near 7 MHz.

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Question #699Amateur Radio Regulations and Licensing

The 20-metre amateur band is around

  1. 14 MHz ✓ Correct answer
  2. 7 MHz
  3. 3.5 MHz
  4. 21 MHz
Explanation: The 20 m band is near 14 MHz.

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Question #700Amateur Radio Regulations and Licensing

Before transmitting you should

  1. Listen first to avoid interfering ✓ Correct answer
  2. Always transmit at maximum power
  3. Ignore other users
  4. Send music to test
Explanation: Listen before transmitting is standard operating practice.

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