WATER DISTRIBUTION LEVEL 3 EXAM
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
Shield shoring - ANSWERS-Consists of a rectangular box that
must b open on the top and bottom and usually the ends
are open too
Solid sheeting - ANSWERS-Used when materials will not
stand in a vertical position or not practical to slope the
trench
Types of valves - ANSWERS-Plug, rotary,butterfly,
diaphragm, gate
Entrained - ANSWERS-Air to escape a line is operating under
pressure
, 4 parts to a hydrant - ANSWERS-Inlet pipe connection from
the water supply main,the main valve,the barrel,the head
Post hydrants - ANSWERS-Extend above ground most
commonly used
Rule of thumb - ANSWERS-Meter should b one size smaller
that service line
3basic backflow devices - ANSWERS-Double check valve,
reduced pressure(rp),air gap-provides greatest protection
The source of supply might b a - ANSWERS-Well
Preventive - ANSWERS-Scheduled
Corrective - ANSWERS-Equipment failure
Predictive - ANSWERS-Maintenance program
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
Shield shoring - ANSWERS-Consists of a rectangular box that
must b open on the top and bottom and usually the ends
are open too
Solid sheeting - ANSWERS-Used when materials will not
stand in a vertical position or not practical to slope the
trench
Types of valves - ANSWERS-Plug, rotary,butterfly,
diaphragm, gate
Entrained - ANSWERS-Air to escape a line is operating under
pressure
, 4 parts to a hydrant - ANSWERS-Inlet pipe connection from
the water supply main,the main valve,the barrel,the head
Post hydrants - ANSWERS-Extend above ground most
commonly used
Rule of thumb - ANSWERS-Meter should b one size smaller
that service line
3basic backflow devices - ANSWERS-Double check valve,
reduced pressure(rp),air gap-provides greatest protection
The source of supply might b a - ANSWERS-Well
Preventive - ANSWERS-Scheduled
Corrective - ANSWERS-Equipment failure
Predictive - ANSWERS-Maintenance program
