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CH. 7 ASNT Study Guide Industrial Radiography Radiation Safety questions and answers
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CH. 7 ASNT Study Guide Industrial Radiography Radiation Safety questions and answers
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CH. 7 ASNT Study Guide IndustrialRadiography Radiation Safety
In most cases, the standard anode material is: - correct answer-C. tungsten
In most X-ray tubes ____________ is used as an exit port for the X-radiation energy. -
correct answer-D. beryllium
Increasing ________________ across the filament expends more free electrons, thereby
increasing the number of free electrons able to cross and strike the anode target creating
more X-radiation. - correct answer-D. milliaperes
Most of the energy used in producing X-rays converts to: - correct answer-B. Heat
Raising the kilovolts on the control panel affects the: - correct answer-A. penetrating
capabilities of the X-rays produced
The expected penetrating power in steel of 50 kV is: - correct answer-B. 1/8 in. to 3/4 in.
(3.175 mm to 19.05 mm)
The high-vacuum envelope is used to reduce: - correct answer-B. the problem of electrons
colliding with, and being absorbed by, molecules of air
The structure known as the cathode serves as the ______________ source. - correct
answer-C. electron
Van de Graaff generators obtain their electrons through: - correct answer-A. the electrostatic
principle
X-radiation is produced when a supply of: - correct answer-A. high-speed electrons are
introduced from the cathode and strike the anode within a vacuum-sealed envelope
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