Near surface resolution can be improved by:

Related MCQs

• A method of compensating for the ‘dead zone’ or near surface resolution problems is to:
• When variations are noticed in the front surface reflection, the test piece should be inspected for possible near surface discontinuities by:
• Entry surface resolution is a characteristic of an ultrasonic testing system which defines its ability to:
• What is the magnetic field strength at the surface of a 100 mm diameter bar as compared to that at the surface of a 50 mm diameter bar, each carrying 1000 amps of current?
• What is the magnetic field strength at the surface of a 25mm diameter bar as compared to that at the surface of a 50mm diameter bar, each carrying 1000 amps of current?
• How is the magnetic field strength at the surface of a magnetic conductor having permeability, µ, related to the magnetic field strength, F, at the surface of a nonmagnetic conductor carrying the same current?
• What is the magnetic field strength at the surface of a 25 mm diameter bar as compared to that at the surface of a 50 mm diameter bar, each carrying 1000 amps of current?
• Sound waves which travel on the surface of a solid in a manner similar to waves on a water surface are called:
• In ultrasonic testing, a liquid coupling medium between the crystal surface and the part surface is necessary because :
• A A widening of the front surface indication, when testing a rough surface, is caused by: