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MCQs

Total Questions : 79 | Page 6 of 8 pages
Question 51. In sedimentation, l – clear liquid zone, t- thick suspension zone, s- solid zone. Which of the following curve with height of the interface as the y-axis and the time as the x-axis represent the s-t interface?In Sedimentation, L – Clear Liquid Zone, T- Thick Suspensi...
  1.    a
  2.    b
  3.    neither a or b
  4.    both a and b
 Discuss Question
Answer: Option A. -> a
Answer: (a).a
Question 52. Sedimentation and centrifugation involve two miscible phases.Sedimentation And Centrifugation Involve Two Miscible Phases...
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 53. Which of the following does the terminal velocity of a particle NOT depend on?Which Of The Following Does The Terminal Velocity Of A Parti...
  1.    Density of fluid and particle
  2.    Shape of the particle
  3.    Viscosity of the fluid
  4.    None of the mentioned
 Discuss Question
Answer: Option D. -> None of the mentioned
Answer: (d).None of the mentioned
Question 54. In sedimentation, l – clear liquid zone, t- thick suspension zone, s- solid zone. With concentration of solids as the y-axis and the time as the x-axis, which curve does the following represent?In Sedimentation, L – Clear Liquid Zone, T- Thick Suspensi...
  1.    l-t interface
  2.    t-s interface
  3.    t zone
  4.    none of the mentioned
 Discuss Question
Answer: Option B. -> t-s interface
Answer: (b).t-s interface
Question 55. With respect to Sedimentation, the boundary between the thick suspension and solids will be decreasing and that between the clear liquid and the thick suspension will be increasing with the passage of time.With Respect To Sedimentation, The Boundary Between The Thic...
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 56. What is the flow rate of materials in a bucket conveyor dependent on?
  1.    Shape of the buckets
  2.    Spacing of the buckets
  3.    Speed of the conveyor
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 57. Pneumatic conveying is done under which of the mentioned conditions?
  1.    High pressure
  2.    Vacuum
  3.    Fluidization
  4.    Any of the mentioned
 Discuss Question
Answer: Option D. -> Any of the mentioned
Answer: (d).Any of the mentioned
Question 58. Fork-lift trolleys are a combination of chain hoists and interlock transfer cranes.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 59. Statement 1: Bucket conveyors can be divided into close and spaced bucket conveyors.
Statement 2: Bucket conveyors can be divided into centrifugal and positive discharge bucket conveyors.
  1.    True, False
  2.    True, True
  3.    False, False
  4.    False, True
 Discuss Question
Answer: Option B. -> True, True
Answer: (b).True, True
Question 60. Which of the following is NOT an advantage of mechanical transportation?
  1.    Transportation is economical and quick
  2.    Handling is contamination free
  3.    No human injury
  4.    None of the mentioned
 Discuss Question
Answer: Option D. -> None of the mentioned
Answer: (d).None of the mentioned

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