MCQ in Telecommunication

MCQ in Telecommunication

Q1.    Mark Cross against the correct answer:

1. Type of modulation used in visual section of a transmitter.
  1. Positive A.M.
  2. Negative A.M.
  3. F.M.
  4. None of the above.
2. The Difference between video I.F. & audio I. F in TV transmitter is
  1. 4.43 MHz
  2. 3.50 MHz
  3. 5.50 MHz
  4. None of the above.

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Broadcast Engineering Short Answers 1

Electronics and Communication Engineering Short answers

(Broadcast Engineering)

  • The repealer electrode in a reflex  is at                         potential.
  • The junction capacitance of a diode is made up of  a                       
  • The ripple frequency of a 50 Hz, 3 phase full wave rectifier is                       Hz.
  • Main advantage of grounded grid amplifier is                       
  • In a push pull amplifier                        harmonic are absent.
  • If two amplifiers of gain 10 are cascaded, the overall gain will be                
  • A rejector circuit offers                         reactance above resonance.
  • The filter used in the first stage of AF chain is usually                          pass.
  • The crystal of an oscillator is placed in order to                    
  • In a 10KW transmitter if the modulation index is 0.5, the total side band power is                
  • The detector used in an FM receiver is                     
  • The digital gate used for the logic "This or that but not both" is                     
  • ROM is a                      memory in terms of relativity.
  • A negative logic means                     
  • If a 20 kHz audio is to be sampled in A/D convertor, the minimum sampling frequency shall be                 for faith full reproduction.
  • The most common modulation scheme used in a digital satellite communication system is                       
  • In a computer hardware BIOS stands for                 
  • A spectrum analyzer is a                     domain equipment.
  • A geo-stationary orbit is approximately at                   km height.

MCQs in Radio Engineering Part – 2

MCQs in Radio Engineering Part – 2   (Electronics and Communication Engineering) Test Paper

Choose the correct answer

1. Medium wave broadcast band is from

a)         530 kHz to 1600 kHz             
b)         3 MHz to 10 MHz
c)         10 MHz to 30 MHz

Continue reading MCQs in Radio Engineering Part – 2