Chapter 28 Types of Pumps Flashcards
1
Q
1. The vertical distance from the surface of the source of supply to the surface of the water in the discharge tank is referred to as: A. Static suction lift B. Static discharge head C. Total static head D. Static suction head E. Total head
A
C. Total static head
2
Q
2. The distance required to move the water from the source of supply to the point of discharge is referred to as: A. Total head B. Static discharge head C. Total static head D. Static suction head E. Static suction lift
A
A. Total head
3
Q
3. The distance from the free surface of the supply tank to the centre line of the pump is referred to as: A. Static suction lift B. Static discharge head C. Total static head D. Total head E. Static suction head
A
E. Static suction head
4
Q
4. The distance, measured vertically, that the intake of the pump is placed above the surface of the water is referred to as: A. Total static head B. Static discharge head C. Static suction lift D. Static suction head E. Total head
A
C. Static suction lift
5
Q
5. The area of the centrifugal pump where the velocity of the liquid discharged from the impeller is lowered and converted to pressure is an area of increasing cross-sectional area called the: A. Impeller B. Diffuser C. Wear ring D. Volute
A
D. Volute
6
Q
6. Theoretically, the maximum lift of a pump at sea level is: A. 20.5 metre (67.2 ft) B. 5.4 metre (17.7 ft) C. 15.8 metre (51.8 ft) D. 10.34 metre (33.9 ft) E. 9.1 metre (29.8 ft)
A
D. 10.34 metre (33.9 ft)
7
Q
7. The sliding vane pump consists of all of the following except: A. A rotor B. Sliding vanes C. An eccentric casing D. A rotor E. An impeller
A
E. An impeller
8
Q
8. A device used in a centrifugal pump to make the conversion from velocity to pressure more effective is the: A. Impeller B. Wear ring C. Eye D. Volute E. Diffuser
A
E. Diffuser
9
Q
9. Centrifugal pumps can be subdivided into the all of the following types except: A. Axial flow B. Diffuser C. Gear D. Regenerative E. Volute
A
C. Gear
10
Q
10. Some common rotary pumps included all of the following except: A. Centrifugal B. Lobe C. External gear D. Internal gear E. Sliding vane
A
A. Centrifugal
11
Q
11. A sliding vane pump fits into the category: A. Dynamic mixed flow B. Positive displacement rotary C. Dynamic centrifugal volute D. Positive displacement gear E. Positive displacement lobe
A
B. Positive displacement rotary
12
Q
12. Reciprocating pumps are used for \_\_\_\_\_ applications. A. High volume, high-pressure B. Low volume, high-pressure C. Low volume, high-temperature D. High volume, Low-temperature E. Low volume, Low-pressure
A
B. Low volume, high-pressure
13
Q
13. The sum of static suction lift plus static discharge head is the: A. Static suction lift B. Static discharge head C. Static suction head D. Total static head E. Total head
A
D. Total static head
14
Q
14. The sliding vane pump consists of all of the following except: A. A rotor B. Sliding vanes C. An eccentric casing D. A rotor E. An impeller
A
E. An impeller
