Calculate the time interval between samples at digitization rate of 33 MHz________________

Calculate the time for one period for 2Mhz probe________________

What is the maximum ideal probe frequency fits with PA instrument with digitizing rate 50 MHZ?________________

Calculate the focus depth for 5 mhz probe, 8 active elements, 1mm pitch, 5.96 mm/microsecond Velocity ________________

Increasing number of elements________________

Decreasing element size ________________

Best practice to inspect corrosion resistance alloys and austenitic stainless steel.

Ability to move acoustic beam along the axis of the array without mechanical movement________________

the advantages of signal averaging are ________________

One of the following doesn’t improve acquisition capability of the device________________

When Focal Laws are changed in sequence for the same number of elements________________

the purpose of the wedge delay calibration is________________

calibrations equalize the amplitude to a given reflector at any determined depth________________

TCG function is________________

2-D view of ultrasound data display with scanning length as one axis and index length on the other axis________________

view of ultrasound data display with scanning length as one axis and ultrasound path as the other axis. ________________

2d view with ultrasound path in one axis and and amplitude on the other axis________________

Which of the following is not correct about beam steering? ________________

Which one of following can modify Steering________________

If you obtain X dB using conventional UT, you should obtain …….. using PAs________________

the minimum angular value between two A-Scan where adjacent defects located at the same depth are resolvable________________

is the minimum distance from the scanning surface where the reflector (SDH or FBH) has more than 6dB amplitude compared with decay amplitude from the main bang for a normal beam________________

Which one of the following is true about the focusing________________

One of the most advantage of conventional UT over PA is ________________

capability to converge the acoustic energy into a small focal spot________________

Which one of the following is correct related to the focusing?________________

Which one of those scan Is particularly useful to analyze root defect?

“A” represents:________________

“P” represents:________________

“g” represents:________________

Ultrasonic velocity is dependent on the:________________

In which zone of the sound beam does the signal amplitude from the same size reflector vary exponentially as the distance from the search unit varies?________________

It is usually difficult to ultrasonic test austenitic stainless steel with high sensitivity techniques because of it’s:________________

The ability of an ultrasonic test system to detect given size discontinuities________________

The amount of energy reflected from a discontinuity will be dependent on:________________

Ultrasonic testing of piping and vessels which contain corrosive materials moving at high velocity may reveal which of the following service-induced discontinuities:________________

Which one is expected to detect during  the corrosion mapping?________________

The Cap term for ‘ cap height’ is:________________

Which of the following defects would you not expect to find by visual inspection of welds?________________

What effect does mid thickness laminations in steel plate normally have when they are located within a weld heat affected zone? ________________