Radiation dose to personnel is reduced by which of the follo…

Radiation dose to personnel is reduced by which of the following exposure control cord guidelines? Exposure cords on fixed equipment must be very short Exposure cords on mobile equipment should be fairly long Exposure cords on fixed and mobile equipment should of the coiled expandable type.

Data needs to be examined for other explanations that do not…

Data needs to be examined for other explanations that do not cast so much blame of human operators in accidents. Pilot error is often cited the probable cause for aircraft accidents by the NTSB. Which of the following is NOT alternative explanation for accidents attributed to pilot error?