CWEA Lab Analyst Grade 1 Questions with correct answers
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Course
Cwea
Institution
Cwea
Celcius Correct Answer - (F-32)5/9
HPC media water bath Correct Answer - 45`C, 3hr
Precision Correct Answer - a measure of how close a series of measurements are to one another
Accuracy Correct Answer - how close a measurement is to the true value
Electrical Fire Correct Answer - unplug...
Precision Correct Answer - a measure of how close a series of measurements are to
one another
Accuracy Correct Answer - how close a measurement is to the true value
Electrical Fire Correct Answer - unplug & sodium bicarbonate
analytical balance Correct Answer - a device for determining mass that gives
highly accurate measurements
top loading balance Correct Answer - used to determine mass; not as precise as an
analytical balance
triple beam balance Correct Answer - instrument used to measure mass, less
sensitive than top loading
Coliform Correct Answer - Gram-negative rod-shaped bacteria normally present in
the intestine; includes E. coli and other species.
temp and pH Correct Answer - temp rises, pH drops. Must measure pH within 15
min of collecting sample
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