Water Treatment UPDATED Exam
Questions and CORRECT Answers
The HazCom standard requires chemical to be: - CORRECT ANSWER - Identified using
placards
Which of the following is not a hazard symbol pictogram? - CORRECT ANSWER -
question mark
The HazCom standard doesn't require labeling for.
a. Hazardous waste regulated by the EPA
b. Piping system
c. Fuel tasks in a vehicle
d. All of the above - CORRECT ANSWER - d. all of the above
The HazCom standard requires chemicals to be - CORRECT ANSWER - classified for
potential hazards
Which of the following is not a hazard symbol pictogram ?
A. Flame
B. Skull and Cross bones
C. Question mark
, D. Exclamation mark - CORRECT ANSWER - C. Question Mark
The ----- is also no the SDS, the list of hazardous chemicals, and the label - CORRECT
ANSWER - The product identifier
A flammable liquid is a: - CORRECT ANSWER - physical hazard
A chemical that can cause serious eye irritation - CORRECT ANSWER - Is a health
hazard
A safety data sheet (SDS) - CORRECT ANSWER - Must include photos pictograms
Copies of SDS - CORRECT ANSWER - Must be kept where workers can use them.
The signal word on the label: - CORRECT ANSWER - Is either "danger" or "warning"
The exclamation point pictogram is used to show that a chemical is: - CORRECT
ANSWER - a skin and eye irritant, a respiratory tract irritant,and a skin sensitizer
why are vacuum trucks recommended for removing sludge from tanks? - CORRECT
ANSWER - Few problems with clogging
What is the principal advantage dewatering sludge using centrifuge? - CORRECT
ANSWER - density of sludge cake can be varied
why must wet sludge be washed off all gears, sprockets, and moving parts after tanks are drained
? - CORRECT ANSWER - Dried sludge is difficult to remove from coated surfaces
Questions and CORRECT Answers
The HazCom standard requires chemical to be: - CORRECT ANSWER - Identified using
placards
Which of the following is not a hazard symbol pictogram? - CORRECT ANSWER -
question mark
The HazCom standard doesn't require labeling for.
a. Hazardous waste regulated by the EPA
b. Piping system
c. Fuel tasks in a vehicle
d. All of the above - CORRECT ANSWER - d. all of the above
The HazCom standard requires chemicals to be - CORRECT ANSWER - classified for
potential hazards
Which of the following is not a hazard symbol pictogram ?
A. Flame
B. Skull and Cross bones
C. Question mark
, D. Exclamation mark - CORRECT ANSWER - C. Question Mark
The ----- is also no the SDS, the list of hazardous chemicals, and the label - CORRECT
ANSWER - The product identifier
A flammable liquid is a: - CORRECT ANSWER - physical hazard
A chemical that can cause serious eye irritation - CORRECT ANSWER - Is a health
hazard
A safety data sheet (SDS) - CORRECT ANSWER - Must include photos pictograms
Copies of SDS - CORRECT ANSWER - Must be kept where workers can use them.
The signal word on the label: - CORRECT ANSWER - Is either "danger" or "warning"
The exclamation point pictogram is used to show that a chemical is: - CORRECT
ANSWER - a skin and eye irritant, a respiratory tract irritant,and a skin sensitizer
why are vacuum trucks recommended for removing sludge from tanks? - CORRECT
ANSWER - Few problems with clogging
What is the principal advantage dewatering sludge using centrifuge? - CORRECT
ANSWER - density of sludge cake can be varied
why must wet sludge be washed off all gears, sprockets, and moving parts after tanks are drained
? - CORRECT ANSWER - Dried sludge is difficult to remove from coated surfaces
