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2024 OIT EXAM PREP WITH ANSWERS
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2024 OIT EXAM PREP WITH ANSWERS
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2024 OIT EXAM PREP WITHANSWERS
adsorption - CORRECT-ANSWERSthe gathering of a gas, liquid or dissolved
substance on the surface or interface zone of another material
aesthetics - CORRECT-ANSWERSaspects of drinking water quality that are
perceivable by the senses
cryptosporidium - CORRECT-ANSWERSprotozoa that are parasites of warm-
blooded animals but which can survive in water for extended periods
activated carbon - CORRECT-ANSWERSParticles or granules that have a high
capacity to selectively remove certain trace and soluble materials from water
direct current - CORRECT-ANSWERSelectric current flowing in one direction
only and essentially free from pulsation
Escherichia coli - CORRECT-ANSWERSa type of fecal coliform and a strong
indicator of recent fecal pollution
flocculation - CORRECT-ANSWERSthe gathering together of fine particles
after coagulation to form larger particles by a process of gentle mixing
frazil ice - CORRECT-ANSWERSfine needles or plates of ice suspended in
water; forms in supercooled, turbulent water
giardia - CORRECT-ANSWERSprotozoa that are parasites of warm-blooded
animals but which can survive in water for extended periods
grab sample - CORRECT-ANSWERSa discreet, single sample of water
collected at a particular time and place that represents the composition of
the water only at that time and place
head loss - CORRECT-ANSWERSpressure or energy lost by water flowing in a
pipe or channel as a result of turbulence; velocity vs friction
hertz - CORRECT-ANSWERSthe number of complete electromagnetic cycles
or waves in one sec. of an electronic circuit. Also frequency of the current
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