Plumbing School Year 3 Module 9 Exam Questions with Latest Update
9 views 0 purchase
Module
Plumbing
Institution
Plumbing
Before shutting off electrical and water service within a building, - Answer-notify the owner and occupants
When on a service call to a commercial building, enter a room only - Answer-when accompanied by the customer
To repair a leak in a copper filing without the use of prescription fittings...
Plumbing School Year 3 Module 9 Exam
Questions with Latest Update
Before shutting off electrical and water service within a building, - Answer-notify the
owner and occupants
When on a service call to a commercial building, enter a room only - Answer-when
accompanied by the customer
To repair a leak in a copper filing without the use of prescription fittings and
connections, - Answer-solder the fitting
To provide temporary protection against frost, wrap pipes with - Answer-electric heat
tape
Static pressure for non circulating water should be kept below - Answer-75 psi
Mineral salts precipitate out of water and stick to the metal surface of pipes as a result
of repeated exposure to - Answer-heat
allow pumps to be removed easily, install them using - Answer-a union or flange
connection
In most cases, old underground supply pipe that has been damaged should be -
Answer-abandoned
Each of the following can cause backflow in a potable water supply system except -
Answer-galvanic corrosion caused by the improper joining of dissimilar metals
To repair a damaged valve state, fit a cutter into a - Answer-reseating tool
When using a multimeter to test an immersion element, it is likely that the element will
need to be replaced if the meter - Answer-goes off the scale
Before installing a fiberglass tub or shower base, manufacturers often recommend
covering the floor with - Answer-a wet bed of mortar
The water temperature required by dishwashers is usually - Answer-between 140
degrees F and 150 degrees F
Service calls to restaurants are frequently the result of blockages in - Answer-the
grease system
, When conducting a smoke test, once the stack has been closed with a test plug, the
pressure should be increased to - Answer-1 inch of water
If a customer offers you a monetary tip when the work is completed, you should -
Answer-politely decline it
When a switch or valve is a set to a safe position and a warning device or note is
attached, the process is called a - Answer-tagout
Since it could cause the pipe to burst, do not attempt to thaw a frozen pipe using -
Answer-boiling water
The pressure exerted by circulating water is called - Answer-dynamic pressure
Water hammer is often caused by - Answer-high water pressure
Private water supply systems often store water in - Answer-bladder tanks
Water that contains large amounts of minerals is called - Answer-hard water
A water filter containing activated carbon is designed to remove - Answer-sulfur
To make sure a replacement water pump is properly matched to a system, an appraisal
might have to be made by a - Answer-building engineer
Before digging to install a replacement water supply pipe, you muse - Answer-locate all
nearby utility lines
To prevent contamination from cross-connection, hose bibbs muse be equipped with a -
Answer-vacuum breaker
Some valves used in commercial installations are controlled by - Answer-light beams
A screw extractor should be turned using a - Answer-tee tap wrench
If preformed stem packing is not available for a valve, us - Answer-twist packing
A flushometer that is controlled by an " electronic eye" is classified as a - Answer-
sensor flushometer
the float-controlled valve used in a water closet is also called a - Answer-ball cock
Debris in the pressure-balancing spindle of a T/P valve may be dislodged by - Answer-
tapping the spool with a plastic hammer
The discs in a ceramic-disc faucet - Answer-rarely need replacing
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller lectknancy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
