TCEQ CLASS C WATER LICENSE EXAM LATEST ACTUAL EXAM
REAL QUESTIONS AND CORRECT DETAILED ANSWERS
(CORRECT VERIFIED ANSWERS) A NEW UPDATED VERSION |
ALREADY GRADED A+
Ammonia mixed with chlorine gas creates a - ANSWER: white smoke
The most difficult part of a water distribution operator's job. - ANSWER: furnish a
continuous supply
Physical connection between a safe and potentially unsafe water source. - ANSWER:
cross connection
A distribution system is a - ANSWER: looped system
Dead end mains should be flushed - ANSWER: every month
Excess nitrate causes a condition called - ANSWER: blue baby syndrome
Water hardness is caused by - ANSWER: calcium and magnesium
Sewer mains should be __ft away from water mains. - ANSWER: 9
Water with a pH less than 7 is considered to be - ANSWER: acidic
Bacti records are kept for ____yrs and chemical records are kept for ___yrs. -
ANSWER: 5, 10
Bacti samples have to be returned to the lab within ___hrs of the collection time. -
ANSWER: 30
Color in the water supply should be less than _____ units. - ANSWER: 15
Chlorine is ______ times heavier than air. - ANSWER: 2.5
90% of underground pipe failures are related to improper - ANSWER: backfill and
bedding
The spoil bank should be located at least ___ft away from the ditch. - ANSWER: 2
The following minimum residuals is ______mg/L for free chlorine and ____mg/L for
total chlorine. - ANSWER: .2, .5
Public opinion of the water utility is _______ at a standstill. - ANSWER: never
, A bacti sample should be taken every ____ft of pipe. - ANSWER: 1000
The most common collection point for a bacti sample is the water tap _______. -
ANSWER: outside the house
A standpipe is considered ground storage unless it exceeds _____ft above the
highest ________. - ANSWER: 80, service connection
________ protection is the electrochemical method for preventing ________ of
metal tanks. - ANSWER: cathodic, corrosion
The _____ is the only cross connection control method approved by _______. -
ANSWER: air gap, tceq
_______ on a pipeline depend on the _____ or coefficient of pipe roughness. -
ANSWER: friction loss, c factor
__________ occurs whenever there is a ______ in the velocity or direction of water
flow. - ANSWER: water hammer, sudden change
The ______ water pressure required by the rules and regulations is ____psi under
any and all conditions. - ANSWER: minimum, 20
100, 150, 200 and 250 are approved classes of _____ _____. - ANSWER: working
pressure
______ is used to anchor pipe bends. - ANSWER: concrete
A general deposit of mineral particles evenly along the inside of the pipe is
________. - ANSWER: tuberculation
Shoring should be used if a ditch is ___ft or deeper. - ANSWER: 5
A written sample writing plan is required for _______ monitoring. - ANSWER:
coliform
Ladders should be placed every ___ft in a ditch. - ANSWER: 25
An oxygen deficient atmosphere is defined as one which contains _____ than ______
% oxygen. - ANSWER: less, 19.5
Characteristics of a Centrifugal Pump:
as the head _____ the discharge ________. - ANSWER: increases, decreases
The operator should leave a ________ of slack in flexible tubing. - ANSWER:
gooseneck
REAL QUESTIONS AND CORRECT DETAILED ANSWERS
(CORRECT VERIFIED ANSWERS) A NEW UPDATED VERSION |
ALREADY GRADED A+
Ammonia mixed with chlorine gas creates a - ANSWER: white smoke
The most difficult part of a water distribution operator's job. - ANSWER: furnish a
continuous supply
Physical connection between a safe and potentially unsafe water source. - ANSWER:
cross connection
A distribution system is a - ANSWER: looped system
Dead end mains should be flushed - ANSWER: every month
Excess nitrate causes a condition called - ANSWER: blue baby syndrome
Water hardness is caused by - ANSWER: calcium and magnesium
Sewer mains should be __ft away from water mains. - ANSWER: 9
Water with a pH less than 7 is considered to be - ANSWER: acidic
Bacti records are kept for ____yrs and chemical records are kept for ___yrs. -
ANSWER: 5, 10
Bacti samples have to be returned to the lab within ___hrs of the collection time. -
ANSWER: 30
Color in the water supply should be less than _____ units. - ANSWER: 15
Chlorine is ______ times heavier than air. - ANSWER: 2.5
90% of underground pipe failures are related to improper - ANSWER: backfill and
bedding
The spoil bank should be located at least ___ft away from the ditch. - ANSWER: 2
The following minimum residuals is ______mg/L for free chlorine and ____mg/L for
total chlorine. - ANSWER: .2, .5
Public opinion of the water utility is _______ at a standstill. - ANSWER: never
, A bacti sample should be taken every ____ft of pipe. - ANSWER: 1000
The most common collection point for a bacti sample is the water tap _______. -
ANSWER: outside the house
A standpipe is considered ground storage unless it exceeds _____ft above the
highest ________. - ANSWER: 80, service connection
________ protection is the electrochemical method for preventing ________ of
metal tanks. - ANSWER: cathodic, corrosion
The _____ is the only cross connection control method approved by _______. -
ANSWER: air gap, tceq
_______ on a pipeline depend on the _____ or coefficient of pipe roughness. -
ANSWER: friction loss, c factor
__________ occurs whenever there is a ______ in the velocity or direction of water
flow. - ANSWER: water hammer, sudden change
The ______ water pressure required by the rules and regulations is ____psi under
any and all conditions. - ANSWER: minimum, 20
100, 150, 200 and 250 are approved classes of _____ _____. - ANSWER: working
pressure
______ is used to anchor pipe bends. - ANSWER: concrete
A general deposit of mineral particles evenly along the inside of the pipe is
________. - ANSWER: tuberculation
Shoring should be used if a ditch is ___ft or deeper. - ANSWER: 5
A written sample writing plan is required for _______ monitoring. - ANSWER:
coliform
Ladders should be placed every ___ft in a ditch. - ANSWER: 25
An oxygen deficient atmosphere is defined as one which contains _____ than ______
% oxygen. - ANSWER: less, 19.5
Characteristics of a Centrifugal Pump:
as the head _____ the discharge ________. - ANSWER: increases, decreases
The operator should leave a ________ of slack in flexible tubing. - ANSWER:
gooseneck
