JET 02 Triplex Pump Flashcards Preview

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Flashcards in JET 02 Triplex Pump Deck (50)
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1

"1. The power end converts energy from
_________."

rotational power to reciprocal power

2

2. Is the volumetric efficiency of all triplex pumps the same value?

FALSE

3

"3. What important functions do chain cases
have? Select two that apply."

"C. Provide flexibility in mounting.
D. Convert rpm to torque."

4

4. A triplex pump is a _________.

"C. high-pressure positive displacement
pump consisting of three plungers"

5

"5. The maximum fluid end pressure
limitations is based on _________."

"A. metal used in the construction of the
fluid end"

6

"6. For coiled tubing operations, use a
_________ ."

"C. 6-in stroke OPI600 pump
D. PG/Butterworth pump"

7

"7. The correct level for oil in the power end is
_________."

"B. ½ in below the bottom of the main
bearing’s caps."

8

8. The maximum flow rate of a triplex pump is calculated on _________.

C. 97% volumetric efficiency

9

9. Low-pressure in the power end is caused by _________, _________ and _________.

"A. high discharge pressure
B. low engine rpm
D. worn components"

10

10. Crosshead seals are used to _________ and _________.

"A. prevent leakage of oil from the power
end via the pony rods
B. keep oil in and dirt out of the power end"

11

"11. Reusing packing oil is recommended to
reuse packing oil"

FALSE

12

12.- The divider block _________. Of a triplex pump do?

divides equal oil to each plunger

13

"13. A block divider that is coded 24 has
_________."

"B. two outlets: must discharge from both
ends"

14

"14. A discharge stroke occurs when the
plunger is drawn toward the power end"

. false

15

15. One of the most damaging factors for a pump fluid end is _________.

. pump cavitation

16

"16. Cavitation can be the result of _________,
_________, or _________."

"B. worn or damaged pressurizing pump not maintaining adequate pump suction manifold pressure
C. pumping too fast for the pressurizing pump to keep up
D. not keeping the fluid end chambers full of fluid"

17

"17. During a STEM 1 inspection if a triplex pump, it is essential
to_________, _________ and ________."

"B. drain all water in cold weather after
washing the pump
C. check for oil leaks in the crosshead
seals
D. check the oil level in the chain cases,
power ends, and packing lubricant"

18

"18. Unusual noises in the power end could
indicate _________."

"A. damaged bull or pinion gears
B. worn or damaged main bearings
C. crosshead, or connecting rod bushings
D. damaged crankshaft
E. cracked eccentric"

19

19. Cavitation is more likely to occur when pumping oil than water.

TRUE

20

20. Burst disk valves are designed to last at least 500,000 pressure cycles.

TRUE

21

21. Using dull or scored plungers does not reduce packing life.

FALSE

22

"22. The shelf life of urethane inserts is
_________."

. 1 year

23

23. A 5-in stroke PG series pump is primarily used for _________.

Cementing/completion services

24

24. A hydraulic horsepower test is performed to confirm the unit performance level and to reveal potential mechanical problems.

. true

25

"25. The power end can catch fire from
excessive heat."

TRUE

26

26. Excessive greasing of the suction and discharge cover and retainer threads can cause a grease or hydraulic lock.

TRUE

27

27. The triplex pump annual inspection is performed by the _________.

mechanic

28

Reciprocating pumps are positive displacement. This means __________________.

there is no slippage in the pumping action.

29

Reciprocating pumps are used primarily ______________.

where high discharge pressures are required and flow is a precise function of pump speed.

30

Select the main components of a reciprocating pump.

"b. Fluid end
d. Power end
e. Gear box"