Sail E0 Webinar

MCQs

Total Questions : 155 | Page 15 of 16 pages
Question 141. The advantage of using SDMA over other spread spectrum technique is
  1.    Mobile station battery consumption is low
  2.    Reduced spectral efficiency
  3.    Increased spectral efficiency
  4.    Both a and b are correct
  5.    Both a and c are correct
 Discuss Question
Answer: Option E. -> Both a and c are correct
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 142. Flat fading or frequency nonselective fading is a type of
  1.    Multipath delay spread small scale fading
  2.    Doppler spread small scale fading
  3.    Both a & b
  4.    None of the above
 Discuss Question
Answer: Option A. -> Multipath delay spread small scale fading
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 143. Types of small scale fading, based on Doppler spread are
  1.    Fast fading
  2.    Frequency non selective fading
  3.    Flat fading
  4.    Frequency selective fading
 Discuss Question
Answer: Option A. -> Fast fading
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 144. The increased capacity of SDMA is due to
  1.    Focused signal transmitted into narrow transmission beams
  2.    Smart antennas pointing towards mobile stations
  3.    Use of different frequencies at same time slot
  4.    Both a and b are correct
  5.    Both a and c are correct
 Discuss Question
Answer: Option D. -> Both a and b are correct
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 145. Coherence time is
  1.    Directly proportional to Doppler spread
  2.    Indirectly proportional to Doppler spread
  3.    Directly proportional to square of Doppler spread
  4.    Directly proportional to twice of Doppler spread
 Discuss Question
Answer: Option A. -> Directly proportional to Doppler spread
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 146. If coherence time of the channel is smaller than the symbol period of the transmitted signal, it is
  1.    Fast fading
  2.    Slow fading
  3.    Frequency selective fading
  4.    Frequency non selective fading
 Discuss Question
Answer: Option A. -> Fast fading
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 147. Coherence bandwidth is
  1.    Channel that passes all spectral components with equal gain
  2.    The bandwidth of modulated signal
  3.    Channel that passes all spectral components with linear phase
  4.    Both a and c
  5.    Both a and b
 Discuss Question
Answer: Option D. -> Both a and c
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 148. Small scale multipath propagation is caused due to waves with
1. Different propagation delays
2. Different amplitudes
3. Different phase
  1.    1 and 2 are correct
  2.    1 and 3 are correct
  3.    2 and 3 are correct
  4.    All the three are correct
 Discuss Question
Answer: Option D. -> All the three are correct
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 149. The power delay profile helps in determining
  1.    Excess delay
  2.    rms delay spread
  3.    Excess delay spread
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 150. In Frequency Selective Fading, the
  1.    Coherence Bandwidth of the channel is less than bandwidth of transmitted channel
  2.    Coherence Bandwidth of the channel is more than bandwidth of transmitted channel
  3.    Coherence Bandwidth of the channel is equal to bandwidth of transmitted channel
  4.    None of the above
 Discuss Question
Answer: Option A. -> Coherence Bandwidth of the channel is less than bandwidth of transmitted channel
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Chapter 3.1 : INTRODUCTION Chapter 3 : Sinter Plant SAIL E0 - GPOE/GPA 2024
Chapter 2.3 : COAL HANDLING PLANT - Set 1 Chapter 2 : Coke Ovens and Coal Chemicals SAIL E0 - GPOE/GPA 2024
Chapter 1.1 : INTRODUCTION Chapter 1 : Raw Material Handling Plant SAIL E0 - GPOE/GPA 2024
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
DSP Combined 1 Free Revision Test SAIL JO E-0