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MCQs

Total Questions : 188 | Page 2 of 19 pages
Question 11. Statement 1: Vibro-fluidized bed dryer can reduce the air flow rate consumptions as air is only used for drying and not for fluidizing.
Statement 2: _____ are often called desolventizers.
  1.    True, screw conveyor
  2.    True, pneumatic conveyor
  3.    False, screw conveyor
  4.    False, pneumatic conveyor
 Discuss Question
Answer: Option A. -> True, screw conveyor
Answer: (a).True, screw conveyor
Question 12. After incipient fluidization, the pressure briefly _____
  1.    Increases
  2.    Decreases
  3.    Stays constant
  4.    Varies exponentially
 Discuss Question
Answer: Option B. -> Decreases
Answer: (b).Decreases
Question 13. Which of the following dryers requires non-sticky granular feed?
  1.    Rotary dryer
  2.    Fluidized bed dryer
  3.    Rotary & Fluidized bed dryer
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Rotary & Fluidized bed dryer
Answer: (c).Rotary & Fluidized bed dryer
Question 14. Which of the following dryers cannot take a feed in the form of pastes/slurries/sticky items?
  1.    Drum dryer
  2.    Screw conveyor dryer
  3.    Pneumatic dryer
  4.    Spray dryer
 Discuss Question
Answer: Option C. -> Pneumatic dryer
Answer: (c).Pneumatic dryer
Question 15. Which of the following is also called a ring dryer?
  1.    Pneumatic conveyor dryer
  2.    Drum dryer
  3.    Freeze dryer
  4.    Spray dryer
 Discuss Question
Answer: Option A. -> Pneumatic conveyor dryer
Answer: (a).Pneumatic conveyor dryer
Question 16. Statement 1: Friction factor ‘f’ is an important factor in turbulent flow.
Statement 2: ‘f’ is the ratio of shear stress (ϩw) to kinetic energy head ((ρv²)⁄2g).
  1.    True, False
  2.    True, True
  3.    False, False
  4.    False, True
 Discuss Question
Answer: Option B. -> True, True
Answer: (b).True, True
Question 17. Which of the following pumps is this pump- It has no rotating or reciprocating parts involved. No leakage. Air/gas used to impart energy.
  1.    Piston pump
  2.    Diaphragm pump
  3.    Gear pump
  4.    Air-lift pump
 Discuss Question
Answer: Option D. -> Air-lift pump
Answer: (d).Air-lift pump
Question 18. Pipes are described in the form of _____
  1.    None of the mentioned
  2.    Formation Number
  3.    All of the mentioned
  4.    Schedule Number
 Discuss Question
Answer: Option D. -> Schedule Number
Answer: (d).Schedule Number
Question 19. Statement 1: Two pipes are joined using _____
Statement 2: The sealing material between two pipes to be joined is called _____
  1.    Union Joint, Coupling
  2.    Coupling, Gasket
  3.    Coupling, Thread cuttings
  4.    Thread cuttings, Gasket
 Discuss Question
Answer: Option B. -> Coupling, Gasket
Answer: (b).Coupling, Gasket
Question 20. Statement 1: Non-Newtonian fluids have a linear relationship between shear stress and shear strain.
Statement 2: Tubes are larger than pipes in diameter and have thicker walls.
  1.    True, False
  2.    True, True
  3.    False, False
  4.    False, True
 Discuss Question
Answer: Option C. -> False, False
Answer: (c).False, False

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