X-Ray
3. The penetrating ability of an x-ray beam is governed by?
What is KV?
Gamma rays are generated by which of the following?
a. X-ray tube heads
b. Radioactive isotopes undergoing disintegration.
c. Unstable nonradioactive material
d. Fast-moving electrons striking a tungsten target
What is Radioactive isotopes undergoing disintegration.
Radiography is used to test which of the following variety of products?
a. Castings, forgings, welds aerospace components for cracks, foreign material, and water in honeycomb.
b. Steel plate for laminations
c. Very fine surface cracks in thick materials.
d. Products with access only to one side.
Castings, forgings, welds aerospace components for cracks, foreign material, and water in honeycomb.
LBCC School Mascot.
What is a Roadrunner?
This LBCC NDT employee is a biker in their free time.
Who is Emily W.?
Geometric un-sharpness, also known as:
What is Penumbra?
The radiation intensity of a radioisotope does what with time?
What is Decreases?
An excellent radiograph is obtained under given exposure conditions with the tube current of five mA and an exposure time of 12 minutes. If other conditions are not changed, what exposure time would be required if the x-ray tube current could be raised to 10 mA?
What is 6 minutes?
Jaimie Frazier is an LBCC award winning coach with many regional titles in what sport?
What is Volleyball?
The most boring NDT method.
What is UT?
Which of the following is an advantage of radiographic testing:
a. The ability reveal subsurface discontinuities that are perpendicular to the radiation beam.
b. Can reveal discontinuities open to the surface and can reveal discontinuities within the material.
c. Reveals all internal discontinuities
d. Is cost effective when testing for surface discontinuities.
b. Can reveal discontinuities open to the surface and can reveal discontinuities within the material.
The most widely used (imperial) unit of measurement for measuring the rate at which the output of a gamma ray source decays is the:
What is the Curie?
4. A densitometer is an instrument for measuring:
What is Film Demsity?
This person was hired out of retirement to start the LBCC NDT program in 2015.
Who is Seaton Mclennan
The primary element in the alloy known as Inconel.
What is Nickel?
An X-ray tube contains a vacuum-sealed envelope, which, in turn, contains:
What is the Cathode and the Anode?
The activity of an isotope to decay to ½ of its initial strength.
What is a 1/2 life?
6. The ability to detect a small detail is called
What is Sensitivity?
LBCC has robust CTE programs, one of which is the only two year AAS program on the West Coast of the US.
What is NDT?
The process of extracting and refining zirconium and titanium was developed in the 1940's at the Albany Bureau of Mines by:
Who is Dr. Kroll?
The filament of an X-ray tube that generates free electrons is located in the:
What is the Cathode?
This isotope used in gamma radiography has a 1/2 life of 5.247 years.
What is Cobalt - 60?
When referring to a 2-T or 4-T hole in the ASTM IQI, the T refers to the:
What is the Part Thickness?
A large group of Roadrunners is called....?
What is a Marathon of Roadrunners?
This person authored "Principles of Metallurgy", published in 1985 and started the LBCC Metallurgy program in the late 1970's
Who is Dr. Carl Love?