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MCQs

Total Questions : 43 | Page 1 of 5 pages
Question 1. In amplitude modulation, which among the following is constant?
  1.    Amplitude
  2.    Frequency
  3.    Wave length
  4.    Time period
 Discuss Question
Answer: Option B. -> Frequency
Answer: (b).Frequency
Question 2. Which of the following indicates the correct set of frequency employed in measuring process?
  1.    7*10⁶ to 5*10⁸ Hz
  2.    7.5*10⁶ to 4.5*⁸ Hz
  3.    7.5*10⁶ to 5.9*10⁸ Hz
  4.    7.5*10⁶ to 5*10⁸ Hz
 Discuss Question
Answer: Option D. -> 7.5*10⁶ to 5*10⁸ Hz
Answer: (d).7.5*10⁶ to 5*10⁸ Hz
Question 3. Which of the following represents the correct set of modulation classification?
  1.    Frequency, time period
  2.    Frequency, amplitude
  3.    Amplitude, wavelength
  4.    Wavelength, frequency
 Discuss Question
Answer: Option B. -> Frequency, amplitude
Answer: (b).Frequency, amplitude
Question 4. Modern phase techniques are capable of __________
  1.    Resolving modulation
  2.    Resolving amplitude
  3.    Resolving frequency
  4.    Resolving wave length
 Discuss Question
Answer: Option D. -> Resolving wave length
Answer: (d).Resolving wave length
Question 5. Lower frequency is not suitable in_________
  1.    Direct transmission
  2.    Distance calculation
  3.    Determination of wavelength
  4.    Determination of frequency
 Discuss Question
Answer: Option A. -> Direct transmission
Answer: (a).Direct transmission
Question 6. Different types of EDM’s are obtained on the basis of__________
  1.    Wave length
  2.    Carrier wave
  3.    Frequency
  4.    Time period
 Discuss Question
Answer: Option B. -> Carrier wave
Answer: (b).Carrier wave
Question 7. The frequency range used in visible light instruments is______________
  1.    5*10¹¹ Hz
  2.    5*10⁸ Hz
  3.    5*10¹⁰ Hz
  4.    5*10¹⁴ Hz
 Discuss Question
Answer: Option D. -> 5*10¹⁴ Hz
Answer: (d).5*10¹⁴ Hz
Question 8. Which among the following EDM instruments is having more range?
  1.    Infra-red instruments
  2.    Visible light instruments
  3.    Microwave instruments
  4.    Gamma ray instruments
 Discuss Question
Answer: Option C. -> Microwave instruments
Answer: (c).Microwave instruments
Question 9. Geodimeter uses which of the following waves as a carrier wave?
  1.    Microwaves
  2.    Visible light
  3.    Infra-red
  4.    Cosmic rays
 Discuss Question
Answer: Option B. -> Visible light
Answer: (b).Visible light
Question 10. Which type of modulation is used in the case of microwave instrument?
  1.    Frequency modulation
  2.    Amplitude modulation
  3.    Carrier wave modulation
  4.    Time period modulation
 Discuss Question
Answer: Option A. -> Frequency modulation
Answer: (a).Frequency modulation

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