CWEA grade 1 lab analyst practice test part 1,2 ,3 and 4 Guaranteed success Graded A+

CWEA grade 1 lab analyst practice test
part 1,2 ,3 and 4
Guaranteed success
Graded A+




CWEA Grade one lab analytics part 1,2,3 and 4 @2024

,Celsius

(F-32)5/9




HPC media water bath

45`C, 3hr




Precision

a measure of how close a series of measurements are to one another




Accuracy

how close a measurement is to the true value




Electrical Fire

unplug & sodium bicarbonate




analytical balance

a device for determining mass that gives highly accurate measurements




CWEA Grade one lab analytics part 1,2,3 and 4 @2024

, top loading balance

used to determine mass; not as precise as an analytical balance




triple beam balance

instrument used to measure mass, less sensitive than top loading




Coliform

Gram-negative rod-shaped bacteria normally present in the intestine; includes E. coli and other
species.




temp and pH

temp rises, pH drops. Must measure pH within 15 min of collecting sample




Always add ___ to ___

acid to water




spectrometer

a device that spreads light into its different colors




rounding off

.5=keep # even <.4 stays the same >.6 round up




CWEA Grade one lab analytics part 1,2,3 and 4 @2024