Questionary Flashcards Preview

SLB Training > Questionary > Flashcards

Flashcards in Questionary Deck (60)
Loading flashcards...
1

Why is acceptable to close a valve in the discharge line of a centrifugal pump ?

•Because it’s necessary to control the rate of the discharge of a C-pump
•Because of the space between the impeller and the wear plates
•Because it’s a positive displacement pump

•Because of the space between the impeller and the wear plates

2

Name de steps of a complete compressor cycle ?

•Intake-compression-explosion-expansion
•Intake-compression-unloading
•compression-unloading-expansion
•compression-explosion-unloading
•None of the above

•Intake-compression-unloading

3

Which of the following are components of a neumatic system ?

•Unloader
•Compressor
•Governor
•Dryer
•All of the above

•All of the above

4

What is pore pressure ?

•The pressure exertedover the walls of the rock pores during a frac
•The bottomhole flowing pressure
•The presure exerted by the formation fluids on the wall of the rock pores
•Hydrostatic mud pressure excerted over an specific point into the formation
•None on these

•The presure exerted by the formation fluids on the wall of the rock pores

5

What are the applications of a low pressure, high volume air system on a dowell ?

•Air cylinder
•Bulk plant
•Chain case lubrication pump
•Air starters CPS361
•Alemite lubrication pump

•Bulk plant

6

What is the main purpose of a triplex pump ?

•To allow the movement of fluids under pressure
•To convert electrical energy in mechanical energy
•To convert mechanical energy in fluid energy
•All of the above

•To convert mechanical energy in fluid energy

7

What is the function of the chain case ?

•Lubricate the power end
•Links the power end with the fluid end
•Links the prime mover with the triplex pump
•The mechanic in charge of truck movement

•Links the prime mover with the triplex pump

8

The triplex’s power end recommended oil is ?

•SAE 20-50
•SAE-50 WEIGHT
•SAE-90 WEIGHT
•SAE –30-70

•SAE-90 WEIGHT

9

The recommended oil to be used to lubricate the packing is ?

•SAE-30 WEIGHT (40)
•SAE-10 WEIGHT
•SAE -20 WEIGHT
•Hydraulic Oil

•SAE-30 WEIGHT (40)

10

Identify the main parts of a triplex pump ?

•The fluid end, the chain case and the trasmision box
•The power source, the trasmision box, and the power end
•The power end, the fluid end, and the chain case
•None of these

•The power end, the fluid end, and the chain case

11

Which statement is correct for the type of impeller?

•Open impeller pump give high rate & high pressure ischarge
•Close impeller pump give high pressure & low rate discharge
•Close impeller pump give high rate & low pressure discharge
•Open impeller pump give high pressure & low rate discharge

•Close impeller pump give high pressure & low rate discharge

12

What are the applications of a low pressure, high volume air system on a dowell unit ?

•Air cylinder
•Bulk plant
•Chase case lubrication pump
•Air starterts CPS361
•Alemite lubrication pump

•Bulk plant

13

How can you detect if the C-pump is clockwise ( CW ) or clouter clockwise ( CCW ) rotation without open te case or dissasembly the motor ?

•Observing the packing
•Matching to a similar impeller stored in the warehouse
•Observing the impeller the from the discharge side
•Observing the impeller the from the top of the driving shaf

•Observing the impeller the from the top of the driving shaf

14

What is the working pressure and rate for the RA56 pump ?

•55 psi . 6.5 bpm
•45 psi , 12 bpm
•75 psi , 8.5 bpm
•55 psi, 20 bpm
•125 psi , 20 bpm

•55 psi, 20 bpm

15

What is the right meaning of the numbers in the RB 2 X 3 X 11 nomenclature ?

•2 in discharge, 3 in suction , 11 in shaft
•2 in discharge, 3 in suction , 11 in impeller
•2 in discharge, 3 in suction , 11 in volute
•2 in volute , 3 in discharge , 11 in casing
•2 in suction, 3 in discharge , 11 in volute

•2 in discharge, 3 in suction , 11 in impeller

16

Why should a discharge hose no be used a suction hose ?

•due to safety reason podría ser, pero se acerca más la otra
•due to high friction
•because the hole will collapse
•none of the above

•because the hole will collapse

17

What is the maximun recommended rate through a 4” discharge hose ( with water ) is 7bpm

•5-10 bpm
•12-14 bpm
•8-10 bpm
•none of the above

•8-10 bpm

18

What is the maximum pressure of a FMC butterfly valve ?

•175 psi
•100 psi
•200 psi
•50 psi
•none of above

•175 psi

19

What cause the “ water hammer effect “ ?

•A hydraulic effect induced by the opening of a valve suction at low flow rate
•A vibrating effect induced by the triplex pump
•A sudden increase of pressure induced by the close of a suction valve at high rate*
•The lose of discharge pressure induced by cavitation problem
•None of the above

•A sudden increase of pressure induced by the close of a suction valve at high rate*

20

Which of the following statements are true in dowell convoy police ?

•The convoy speed is determinated by the fastest vehicle
•Each vehicle is assigned to a particular place in the convoy and must remain in the place
•All vehicle assigned to a job should leave base when ready and meet each other in a pre-fixed reunion point to continue as convoy from there on
•All of the above

•Each vehicle is assigned to a particular place in the convoy and must remain in the place

21

What are the responsibilies of SS or FE in charge of the job ?

•Meet allclient’s objectives on location
•Final check of job design
•Logistic and mobilization of equipmet
•Final check of the equipment and material required
•All the above

•All the above

22

Which of the following function ( s ) is performed by the hydraulic fluid ?

•Supply the power through flow under pressure
•Lubricate system component
•Remove heat ( through convection )
•Transport contaminants through filtration system
•All of the above

•All of the above

23

Which of the following are components in a hydraulic system ?

•PSI Gauge
•Hydraulic tank with filter
•Hydraulic motor
•Hydraulic pump
•all of the above

•all of the above

24

Should the hydraulic reservoir be filled to the top, explain you answer ?

•yes, so you always have enough
•no, due to thermal expansion of oil the fluid would overflow the reservoir
•yes, because you have to maintain full pressure
•yes, because the gauge may not read correct level to tank

•no, due to thermal expansion of oil the fluid would overflow the reservoir

25

Name the purpose of a hydraulic reservoir?

•store fluid
•allow fluid to cool
•reduce turbulent
•allow entrapped air to escape
•all of the above

•all of the above

26

Which of the following is an engine four stroke cycle ?

•Intake – compress- intake- compress
•Intake – compress- discharge – intake
•Intake – compress- Ignition – exhaust,
•None of the above

•None of the above en lugar de ignition es power

27

What is the main advantege (s ) of a diesel engine in comparison with gasoline engine ?

•Durability
•Low operating cost
•Lower cantaminant emission
•Global fuel compatibility
•All of the above

•All of the above

28

How does the over –pressure shut down device function ?

•The electrical signal generated by an overpressure in the triplex pump disengages the chain case
•The electrical signal generated by an overpressure in the triplex pump resets the throttle to idle speed and disengage the trasmission
•The electrical signal acts on an actuator which opens a high presure relief valve
• The electrical signal switchs on a claxon which advice the operator to disengage the pump
•none of the above

•The electrical signal generated by an overpressure in the triplex pump resets the throttle to idle speed and disengage the trasmission

29

Which two of the following equipment do not remove the solid from the drilling fluid ?

•degasser
•desander
•shale shaker
•gas separator
•desilter

•degasser
•gas separator

30

Which of the following does not belong to the rotary system ?

•Drill collar and drill pipe
•Rotary table
•Rotary hose, si pertenece,
•Swivel
•Kelly and kelly bushing

•Drill collar and drill pipe