MEOM Revision

NPS (Nominal Pipe Size) defines:

• Exact OD of pipe

• Inside diameter

• Standard size designation

• Wall thickness

Pipe wall thickness is determined by:

• SRL

• NPS

• DRL

• Schedule

SRL (Single Random Length) pipe typically measures around:

• 3 m

• 6 m

• 9 m

• 12 m

Which pipe end is simply cut square, without preparation?

• Threaded

• Beveled End

• Socket Weld

• Plain End

Which failure is most likely if flange faces are not parallel?

• Leakage

• Corrosion

• Creep

• Scaling

Which bearing type relies on an externally supplied pressurised fluid film?

• Hydrodynamic

• Hydrostatic

• Thrust

• Journal

Which of the following is a radial-only bearing?

• Tapered Roller

• Thrust

• Ball

• Journal

Which lubrication regime occurs when a very thin oil film exists and surfaces may touch?

• Boundary

• Hydrodynamic

• Hydrostatic

• Starved

Which property allows a bearing material to absorb dirt particles without scoring the shaft?

• Fatigue Strength

• Conformability

• Compatibility

• Embeddability

Which of the following is a function of lubrication in bearings?

• Reduce friction

• Remove heat

• Flush away contaminants

• All of the above