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Quiz

3.12 pump design and operation

TRAVIS CANNING 10 perguntas

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Perguntas do quiz (10)

  1. 1As the liquid travels through the volute casing of a centrifugal pump toward the discharge, its _______ energy is converted into pressure or potential energy.
    1. Arotation
    2. Bfluids
    3. Ckinetic
    4. Delectrical
  2. 2As compared to a radical flow pump, the axial pump has a low suction lift and develops a relatively ______ discharge head, and has a ______ flow capacity
    1. Alow, small
    2. Blow, large
    3. Chigh, small
    4. Dhigh, large
  3. 3The screw pump
    1. Ahas two screws that rotate in the same direction inside the casing
    2. Bhas an externally-cut gear which meshes with an internally-cut gear
    3. Chas a single rotor containing screw threads within a casing
    4. Dhas two rotors each with three lobes.
    5. Ehas two rotors each with intermeshing screw threads
  4. 4A/An ______ valve is a combination check valve and minimum flow valve in one unit.
    1. Adischarge
    2. Bautomatic recirculation valve
    3. Cremote backpressure valve
    4. Dminimum flow
  5. 5Wearing rings are often made of _____ or cast iron since these materials tend to wear in a smooth manner.
    1. Abronze
    2. Bcopper
    3. Cnickel
    4. Dbrass
  6. 6The mixed flow pump has a single inlet impeller with the flow entering the pump in an axial direction and leaving the pump in direction between axial and _______
    1. Acentrifugal
    2. Bradial
    3. Cseries
    4. Dparallel
  7. 7The external gear pump
    1. Ahas two gears, which rotate in opposite directions inside the casing.
    2. Bhas an externally-cut gear that meshes with an internally-cut gear, separated by a crescent-shaped portion
    3. Chas a rotor containing vanes within slots
    4. Dhas two rotors each with three lobes
    5. Ehas two rotors each with two opposing spirals or screw threads
  8. 8The axial flow pump, often called a _____ pump, uses an impeller with vanes similar to a ships propeller
    1. Aships
    2. Bmates
    3. Clift
    4. Dpropeller
  9. 9Multi-stage centrifugal pumps are equipped with two or more impellers operating in ______
    1. Aparallel
    2. Bseries
    3. Copposition
    4. Dseparate casings
  10. 10It is imperative that the flow through a multistage pump be kept above a _______ flow rate
    1. Amaximum
    2. Bmanufactures
    3. Cminimum
    4. Dsafe

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Quiz sobre 3.12 pump design and operation, criado por TRAVIS CANNING em 29-01-2016.
Idioma
English
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