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MCQs

Total Questions : 112 | Page 3 of 12 pages
Question 21. What is a building where the pumps are located and operated called?
  1.    Pumping station
  2.    Pump house
  3.    Pumping facility
  4.    Pumping house
 Discuss Question
Answer: Option B. -> Pump house
Answer: (b).Pump house
Question 22. Generally, what is the Material of Construction of the casing of the pumps which are used in a desalination plant?
  1.    Cast Iron
  2.    Bronze
  3.    Stainless Steel SS 304 GRADE
  4.    Stainless Steel SS 316 L Grade
 Discuss Question
Answer: Option D. -> Stainless Steel SS 316 L Grade
Answer: (d).Stainless Steel SS 316 L Grade
Question 23. The road way to the pumping station must be a _______
  1.    Hard surface
  2.    Muddy road
  3.    Hilly road
  4.    Smoother path
 Discuss Question
Answer: Option A. -> Hard surface
Answer: (a).Hard surface
Question 24. In a desalination plant in order to provide high pressure greater than the osmotic pressure which type of pump is selected?
  1.    Reciprocating Pump
  2.    Positive Displacement Pump
  3.    Booster Pump
  4.    Multistage Pump
 Discuss Question
Answer: Option D. -> Multistage Pump
Answer: (d).Multistage Pump
Question 25. In duplex pump stations, the pumps shall be of __________
  1.    Same pressure
  2.    Same efficiency
  3.    Same capacity
  4.    Different capacity
 Discuss Question
Answer: Option C. -> Same capacity
Answer: (c).Same capacity
Question 26. Which type of pump is used when chemicals are to be dosed in water treatment plant?
  1.    Plunger Pump
  2.    Positive Displacement Pump
  3.    Vertical Turbine Pump
  4.    Jet Pump
 Discuss Question
Answer: Option B. -> Positive Displacement Pump
Answer: (b).Positive Displacement Pump
Question 27. For a mechanical seal which is the normal leakage rate?
  1.    30-50 drops of seal water/min
  2.    40-60 drops of seal water/min
  3.    20-40 drops of seal water/min
  4.    20-60 drops of seal water/min
 Discuss Question
Answer: Option D. -> 20-60 drops of seal water/min
Answer: (d).20-60 drops of seal water/min
Question 28. Which is the part of the pump which prevents the flow of water from the volume to enter back to the impeller?
  1.    Shaft
  2.    Bearing
  3.    Mechanical seal
  4.    Wear rings
 Discuss Question
Answer: Option D. -> Wear rings
Answer: (d).Wear rings
Question 29. Which type of impeller is usually preferred when handling liquids with solids?
  1.    Closed impeller
  2.    Open impeller
  3.    Single suction impeller
  4.    Double suction impeller
 Discuss Question
Answer: Option B. -> Open impeller
Answer: (b).Open impeller
Question 30. In order to reduce the operation and maintenance which of the following characteristics of a pump should be considered?
  1.    Efficiency of the pump
  2.    Flow rate
  3.    NPSH
  4.    Head
 Discuss Question
Answer: Option A. -> Efficiency of the pump
Answer: (a).Efficiency of the pump

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