Positive Displacement Pumps MCQ

Test your knowledge with important Positive Displacement Pumps MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Positive Displacement Pumps MCQs on Bissoy. Bissoy App

• Rotary vane pumps are also utilized for vacuum pumps.
  ক

  True

  খ

  False
• The ________ pump utilizes a tube in the shape of a semi-circle with 2 or more pinching rollers on the outer edge of a wheel that rotates on the inside of the semi-circle.
  ক

  Gear

  খ

  Teeth

  গ

  Tubing

  ঘ

  Lobe
• ________ pumps are useful for pumping viscous liquids or slurries, but highly viscous liquids would require relatively large, slow moving pumps to keep N.P.S.H.A greater than N.P.S.H.R.
  ক

  Gear

  খ

  Teeth

  গ

  Tubing

  ঘ

  Lobe
• ________ utilize a gear within a gear design; internal means the teeth of 1 gear are on the inside, projecting inward.
  ক

  Internal gear pump

  খ

  External gear pump

  গ

  Lobe pumps

  ঘ

  Pencil pumps
• A pair of gears with many teeth; external to the gear and known as ________ in gear pumps or a few lobes in lobe pumps.
  ক

  Internal gear pump

  খ

  External gear pump

  গ

  Lobe pumps

  ঘ

  Tubing pumps
• In diaphragm pump the piston assembly is replaced by a diaphragm and housing; these pumps are often powered by ________ and occur as double diaphragm pumps.
  ক

  Compressed air

  খ

  Saturated liquid

  গ

  Distilled water

  ঘ

  Vacuum
• ___________ cylinders could be utilized to give a continuous output as in pumps for high performance liquid chromatography, or one cylinder could be made to deliver with either stroke.
  ক

  One

  খ

  Two

  গ

  Three

  ঘ

  Four
• Reciprocating __________ utilize a piston moving back and forth in a cylinder. Nearly 2 check valves for the input and output at one end of the cylinder allow one way flow; this gives a pulsed output.
  ক

  Valves

  খ

  Pumps

  গ

  Pits

  ঘ

  Spots
• _________ valves are utilized to prevent damage to the system or build-up of high, dangerous pressures.
  ক

  Globe

  খ

  Pressure relief

  গ

  Needle

  ঘ

  Gate
• Positive displacement pumps actually enclose the fluid to be moved through the system.
  ক

  True

  খ

  False