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MCQs

Total Questions : 335 | Page 26 of 34 pages
Question 251. All sound is noise.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 252. At what decibel instantaneous rupture of membrane happens?
  1.    100
  2.    120
  3.    146
  4.    150
 Discuss Question
Answer: Option D. -> 150
Answer: (d).150
Question 253. What is called for a temporary hearing loss?
  1.    Temporary ear pain
  2.    Temporary hearing problem
  3.    Temporary threshold shift
  4.    Temporary hearing shift
 Discuss Question
Answer: Option C. -> Temporary threshold shift
Answer: (c).Temporary threshold shift
Question 254. What is the ambient noise level in the residential one during night time?
  1.    40 dB
  2.    45 dB
  3.    50 dB
  4.    55 dB
 Discuss Question
Answer: Option B. -> 45 dB
Answer: (b).45 dB
Question 255. What is the permissible noise limit of 120 db?
  1.    30 minutes
  2.    2 minutes
  3.    1 minute
  4.    30 seconds
 Discuss Question
Answer: Option D. -> 30 seconds
Answer: (d).30 seconds
Question 256. Which is the best way to control noise pollution among the four fundamental ways?
  1.    Reduce noise at the source
  2.    Block the path of noise
  3.    Increase the path length
  4.    Protect the recipient
 Discuss Question
Answer: Option A. -> Reduce noise at the source
Answer: (a).Reduce noise at the source
Question 257. Which of the following is a way to reduce the traffic noise in the highway?
  1.    Constructing the vertical barriers
  2.    Increase the speed of the vehicles
  3.    Using old engine vehicles
  4.    Horning in unnecessary time
 Discuss Question
Answer: Option A. -> Constructing the vertical barriers
Answer: (a).Constructing the vertical barriers
Question 258. What is the main source of vehicular noise?
  1.    High speed
  2.    Movement of the vehicle’s tyres on the pavement
  3.    Low pressure
  4.    Fuel engine
 Discuss Question
Answer: Option B. -> Movement of the vehicle’s tyres on the pavement
Answer: (b).Movement of the vehicle’s tyres on the pavement
Question 259. Noise levels at construction sites can be controlled using proper construction planning and scheduling techniques.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 260. How can we reduce the noise in industries?
  1.    By not using the heavy machinery
  2.    By using rigid sealed enclosures
  3.    By using more robotics
  4.    By reduce the production of the industries
 Discuss Question
Answer: Option B. -> By using rigid sealed enclosures
Answer: (b).By using rigid sealed enclosures

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