TEP MECHANICAL INSPECTION 001

Which of the following are the suitable NDE methods to measure thickness?

• UT

• Profile RT

• MT

• PT

What is D in this formula?

• Uncorroded inside diameter

• Corroded inside diameter

• Uncorroded outside diameter

• Corroded outside diameter

Which suitable UT methods can be used to measure thickness on coated surface? (2 methods)

• Remove coat before taking measurement with valid calibration

• Measure directly on surface with no coat calibration

• Use through-coat setting when measuring after calibration

• Use two point calibration method

What do you call a pipe without weld seam?

• Welded pipe

• Unwelded pipe

• Unseam pipe

• Seamless pipe

What is normally E value for seamless pipe?

• 0.7

• 0.9

• 0.85

• 1.0

What is the meaning of symbol E in this formula?

• Joint efficiency

• Weld effectivity

• Weld rating

• NDT extent

What is the liquid used in UT to enable ultrasonic wave to propagate into the test specimen?

• Coupler

• Couplant

• Transfer gel

• Lubricant

What is P in this formula?

• Internal + external pressure

• Internal design pressure

• Working pressure

• Max. allowable working pressure

Allowable stress of a material normally ________ when design temperature is increased. It can be _____ at high temperature.

• Increases, lower

• Decreases, lower

• Increases, higher

• Decreases, higher

Which part of a vessel that is used to provide access to enter inside of the vessel?

• Nozzle

• Handhole

• Manhole

• Skirt