What are the differences between mortar and grout?
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Mortar often contains lime instead of gravel; The size of the aggregates in
grout and mortar are different.
When handling or storing oils and greases, which precautions should be followed?
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Be sure to keep any spills wiped up; Make sure that all the lids are tight on
their containers; make sure the storage area does not create a fire hazard;
Post "NO SMOKING" sings outside the building;
,Which maintenance tasks should be performed daily when operating a high-velocity
cleaner?
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Check the stacking of the rod on the reel; inspect the drive chains to the
sprockets; inspect the rod hose guides; inspect the tension of the drive
head chain; tighten the rod couplings as necessary
Who inspects and certifies that the manufacturer of large-diameter pipes is testing
representative samples of pipe?
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Many sewer utilities send an observer to manufacturing plants to observe
and certify that the manufacturer is testing representative samples of pipe
to demonstrate that the specification requirements are being met.
What is a relay?
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An electrical device in which an input signal, usually of low power, is used
to operate a switch at controls another circuit, often of higher power.
Before starting repair of a main line, the supervisor must perform which tasks?
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, Identify potential problems; make a preliminary field investigation; obtain
necessary permits; plan the repair job
A motor service factor greater than 1.0 allows for which item?
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Allows an added margin of safety to account for higher voltage or
frequency variations.
Air release and vacuum relief valves are installed on force mains for which main
purpose?
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To release accumulated entrained air and gases.
A megger or megohmmeter is used for checking the insulation resistance on which
items?
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Branch circuit wiring; bus bar systems; feeders; generators; motors;
What safety equipment is important for operating power bucket machines?
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Atmospheric monitoring equipment; Barricades and traffic signs; flags and
cones; Safety harness, lifeline, and tripod; Self-contained breathing
apparatus( SCBA)
What is voltage?
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The electrical pressure available to cause a flow of current(amperage)
when an electric circuit is closed;
A well-prepared sewer construction inspector should have the ability to perform
which tasks?
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Determine if construction materials conform to specifications; Establish
and maintain cooperative working relations with those contacted in the
course of work; keep accurate records, gather data, and prepare accurate
reports; read and interpret plans, specifications, ordinances, and
regulations applicable to wastewater collection system construction.
Why is asbestos cement (AC) pipe no longer in favor with the building industry?
Give this one a try later!
Give this one a try later!
Mortar often contains lime instead of gravel; The size of the aggregates in
grout and mortar are different.
When handling or storing oils and greases, which precautions should be followed?
Give this one a try later!
Be sure to keep any spills wiped up; Make sure that all the lids are tight on
their containers; make sure the storage area does not create a fire hazard;
Post "NO SMOKING" sings outside the building;
,Which maintenance tasks should be performed daily when operating a high-velocity
cleaner?
Give this one a try later!
Check the stacking of the rod on the reel; inspect the drive chains to the
sprockets; inspect the rod hose guides; inspect the tension of the drive
head chain; tighten the rod couplings as necessary
Who inspects and certifies that the manufacturer of large-diameter pipes is testing
representative samples of pipe?
Give this one a try later!
Many sewer utilities send an observer to manufacturing plants to observe
and certify that the manufacturer is testing representative samples of pipe
to demonstrate that the specification requirements are being met.
What is a relay?
Give this one a try later!
An electrical device in which an input signal, usually of low power, is used
to operate a switch at controls another circuit, often of higher power.
Before starting repair of a main line, the supervisor must perform which tasks?
Give this one a try later!
, Identify potential problems; make a preliminary field investigation; obtain
necessary permits; plan the repair job
A motor service factor greater than 1.0 allows for which item?
Give this one a try later!
Allows an added margin of safety to account for higher voltage or
frequency variations.
Air release and vacuum relief valves are installed on force mains for which main
purpose?
Give this one a try later!
To release accumulated entrained air and gases.
A megger or megohmmeter is used for checking the insulation resistance on which
items?
Give this one a try later!
Branch circuit wiring; bus bar systems; feeders; generators; motors;
What safety equipment is important for operating power bucket machines?
, Give this one a try later!
Atmospheric monitoring equipment; Barricades and traffic signs; flags and
cones; Safety harness, lifeline, and tripod; Self-contained breathing
apparatus( SCBA)
What is voltage?
Give this one a try later!
The electrical pressure available to cause a flow of current(amperage)
when an electric circuit is closed;
A well-prepared sewer construction inspector should have the ability to perform
which tasks?
Give this one a try later!
Determine if construction materials conform to specifications; Establish
and maintain cooperative working relations with those contacted in the
course of work; keep accurate records, gather data, and prepare accurate
reports; read and interpret plans, specifications, ordinances, and
regulations applicable to wastewater collection system construction.
Why is asbestos cement (AC) pipe no longer in favor with the building industry?
Give this one a try later!
