CWEA LAB ANALYST GRADE 1
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 & 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
Always add ___ to ___ - correct answer acid to water
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 & 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
Always add ___ to ___ - correct answer acid to water
