Radiological survey instruments:

Question

Question: Radiological survey instruments

Options:

1.  Will not be very reliable after a nuclear detonation because of weak batteries and no sure way of checking the strength of those batteries
2.  Will give just an approximate answer which will need to be corrected using the "7:l0 Rule of Thumb"
3.  Are the most accurate and reliable means of determining exposure levels
4.  Will be very reliable following a nuclear detonation since they usually use AC line current

Answer 1

3. Are the most accurate and reliable means of determining exposure levels

Radiological survey instruments are the most accurate and reliable means of determining exposure levels.