1. which centrifugal pump component prevents reverse check valve
flow of liquid through the pump
2. what is used to make fluid move from one location to pump
another
3. what centrifigual pump component prevents over- recirculation line
heating of the pump
4. what centrifugal pump component rotates and caus- impeller
es centrifugal force to act on the fluid
5. what condition occurs if there are bubbles forming in cavitation
the pump casing
6. in a centrifugal pump the liquid enters the eye of the impeller
7. the two spur gears in a rotary gear pump are called driving gear and driven
gear
8. what type of pump uses the throwing force of a rapidly centrifugal pump
revolving impeller
9. what is used to eliminate replacing the impeller or wearing ring
pump casing due to wear
10. which tank stores only waste prior to separation by oily waste holding tank
the OWS
11. what is the allowed limit of oil in the overboard dis- 15 ppm
charge if the ship is within 50 miles of land
12. what is used to remove large particulate matter from duplex strainer
oil before it enters the OWS
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13. what tank receives separated oil from the OWS for waste oil tank
later discharge
14. what is used to measure the amount of oil in water oil content monitor
that is discharge overboard
15. heat transfer from physical contact between two flu- conduction
ids is known as
16. heat transfer through the mixing of fluids is known as convection
17. which type of heat exchange is made up of stacked plate type
parallel plates
18. what type of flow does an exchanger have if the liquids parallel
enters one side and travels out the same direction
19. which exchanger has one or more coils of tubing in- helical and spiral
side of a shell
20. what type of flow is used if the fluid flow at a 90 degree cross flow
angle to each other
21. what type of gear has the teeth arranged in a v pattern double helical gear
22. what gear can be used to change the speed and internal spur
torque without changing the direction
23. what gear type has teeth cut straight across the inside internal spur
rim
24. the gear inserted between two gears that allows both idler
to rotate in the same direction
25. what type of gear is used for the main reduction gear double helical