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Plumber: FIRST PERIOD

A randomized 100 question test from a pool of 898 questions, good luck!

The safe working pressure of acetylene is 15 psi. As the temperature of the gas increases, this pressure will change. Choose the best answer from the ones provided below to explain what this change will be.
Orthographic and isometric directional arrows have few similarities. From the options provided below, choose the best answer that represents one of those similarities.
Pipe size is specified with two non-dimensional numbers: ________ diameter based on inches, and _______ for wall thickness. Of the options below, fill in the blanks.
Position designations for groove and fillet test welds include numbers and letters. The number dictates a particular position, while the letter dictates a particular position. Choose the best combination of letters and numbers below to identify the weld position and type shown in the picture below.
(mse)There are a number of components to a simple SMAW weld. In the picture below, #5 is best represented by which answer below?
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
(wf)Of the defects listed below, which one best describes the picture shown?
(wf)After the fillet weld is complete, the inspector says that the weld profile has a bulge to it. Which of the terms below best describes this situation?
For material that is ⅜" to 1" thick, the most common type of joint preparation would be which of the following. Choose the best answer that applies
There are some specific weld faults that can occur with a fillet weld. Which of these faults is represented by the picture below? Choose the best answer from those provided.
Which of the numbered symbols below best represents a side view threaded 45° elbow?
Using the picture below, which of the letters best illustrates a tongue and groove flange?
If you needed to place new threads on the inside of a fitting, which of these tools would be best?
Position designations for groove and fillet test welds include numbers and letters. The number dictates a particular position, while the letter dictates a particular position. Choose the best combination of letters and numbers below to identify the weld position and type shown in the picture below.
"This type of drill is only for up to ½" holes that need to be precise." Choose the answer below that is best described by the statement.
There are generally considered to be four types of welds. Which of those weld types is represented by the picture below? Choose the best answer from those provided.
When beginning a soldering or brazing project, which one of the following is one of the deciding factors for proper solder selection?
Code B149.1-05 covers which of the following?
Class 6000 fittings are commonly made from which material?
What type of wrench is pictured below?
The design of a ball valve is similar to which of the listed valves?
Position designations for groove and fillet test welds include numbers and letters. The number dictates a particular position, while the letter dictates a particular position. Choose the best combination of letters and numbers below to identify the weld position and type shown in the picture below.
You are working with an isometric drawing that has dimensions in imperial measurements. Your journeyman has asked you to convert several measurements to inches. These measurements include 6', 4.5', 3'7" and 2'4". Choose the best answer below to reflect the total number of inches.
Composition disc type valves are part of which of the following categories?
Weld fittings are available in two varieties, one of these is:
(wf)Of the types of inclusions below, which would be characteristic of a GTAW process?
Working with explosive gases is a dangerous prospect, you have to be aware of the limits of flammability for the gas you are working with. Of the gases below, choose the one that has the range of flammability of 3.4%-10.8%in air.
There are many parts to a circle. Which of the answers below best relates to "I" in the picture provided?
Water distribution systems made from PE piping have a maximum operating temperature. What is that temperature? Choose from the options below.
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
What tool is in the picture below?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
Using the picture below, choose the best answer that relates to the item indicated by the "A".
What type of wrench is pictured below?
Which of the following torque procedures is the least accurate in regards to getting to proper tension on a studbolt?
What tool is pictured below?
Using the picture below, which of the letters best illustrates a flat faced flange?
What is one of the three main differences between DWV and pressure application fittings?
What type of wrench is pictured below?
Socket weld fittings most commonly come in sizes ranging from _____ to _____.
One side of a support is 372 mm, the other side is 739 mm. What is the smallest area that this support can be used? Choose the best answer from the ones provided below.
Which answer below best represents the type of cutting machine in the picture provided?
Of the valves below, which has a flow pattern that is non-directional?
"These regulators allow a consistent pressure to be fed to the tool being used. This is true despite the change in inlet pressures." Which of the regulators below is best described by this statement?
(se)If a welding machine is left on, but no work is being done with it, what type of voltage is at the output terminals? Choose the best answer from those provided below.
There are two basic techniques to pierce a hole in plate steel. Choose the one that best applies from the answers below.
"When two or more substances are combined and each retain their own chemical identity." Choose the term below that best reflects this statement.
Of the many views that a drawing may have, an isometric drawing will show only three views or faces. Which of the following answers is not one of them?
"Has a gasket surface in the same plane as the bolting circle face." Is the best description of which fitting?
Using the terms provided, choose the best one that would be described as a substance that cannot be be chemically reduced into simpler components.
(mse)There are a number of components to a simple SMAW weld. In the picture below, #4 is best represented by which answer below?
There are a variety of drafting tools that are used in the creation of fabrication patterns and layouts. Of the tools given, which one best describes the item in the picture below?
The isometric below has an abundance of information contained within it. The amount of 4 inch A106-B sch 40 piping that is required for this drawing is best represented by which of the answers below?
All butt weld fittings must have _____ pieces of information stamped on them.
What type of wrench is pictured below?
At what point, when cutting with oxy-fuel, should the cutting oxygen slowly be introduced?
You are ordering stud bolts to fasten two flanges together. What thread classification would you order of the following classifications?
Using the picture below, which of the following answer best describes the dimension "C"?
Upstream of the aftercooler and downstream of the air intake should be the location for which of the following components of a basic pneumatic system?
Your isometric calls for a weld neck, raised face, 900 PSI rating, flange. Is this the correct flange to use?
Of the selection below choose which measurement this sentence best describes. "Not widely used for gas pressures, This measurement is mostly used in materials science, where the tensile strength of a material is measured as a large number of psi."
What tool is in the picture below?
A compound commonly used in oxy-fuel operations is derived from a combination of water and calcium carbide. Which of the chemical symbols below best represents this hydrocarbon gas?
Fabricators and designers have been using the various lines to convey information in their drawings, which is called the "alphabet of lines". Which of the terms below best describes the line labeled "A" in the picture provided?
Which of the following answers best describes the advantage of preparing a joint with a U groove over the Vee groove style?
If the welding apprentices tacked 4 welds in an hour, how many welds would be tacked by 3 apprentices in a 37.5 hour work week? Choose the best answer from the ones provided below.
Use the answers below to answer the following question. "To aid in the removal of trapped sediment and small debris, a valve should be closed in which manner?
The purpose of this step is to provide a prepped surface for the solvent cement by beginning the chemical reaction that softens PVC. Of the options below, choose the best answer.
A cold water piping system does not exceed 4689 psi @ 100 degrees F. What class of forged steel fitting in conjunction with XXS piping should be used
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
After installing an instrument air piping system, you are asked to prove to the client there are no leaks. The piping specs require that no moisture be left in the system after testing. Which of the following options would be the best for this request?
(wf)Weld faults can happen even before the welding has occurred. Which of the answers below best describes the number of common types of pre-weld dimensional defects?
This type of layout tool consists of two parts, a "Beam" and a "Blade". Which of the following tools best fits this description?
Which of the following situations would a scribe be the best layout tool of choice? Use the following situations for your answer.
After installing an utility water piping system, you are asked to prove to the client there are no leaks. Which of the following options would be the best for this request?
Of all the valves below, which would have close to the same flow characteristics as a globe pattern straight valve?
Fire suppression applications use CPVC piping. For this application what colour must this piping be? Choose the best answer from the options below.
There are many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "F".
One of the constants in an isometric drawing is that all angles recede ________ from the horizontal. Choose the best answer from the ones below to fill in the blank.
Of the options below, which measuring tool would be best suited to getting exact measurements?
Which of the numbered symbols below best represents a socket weld ball valve?
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
Oxygen should have a purity of 99.5% or higher for oxy-fuel cutting. The cutting speed will be an estimated ¾ of normal and the expenditure in cutting oxygen will increase approximately ¼ of normal for each _______ drop in purity percentage form optimum. Use the answers provided to select the best one to fill in the blank.
"This style of check valves doesn't rely on flow reversal or gravity to close. Instead, the valve is closed by a spring." Of the valves below, this is the best description of which?
There are some good trade practices when using a hand wrench. Of the practices below, which is not one of them?
Copper tube DWV fittings can be used on copper pressure piping systems
When storing plastic pipe, the pipe should be supported adequate support at all times. For long term storage, what additional step should be taken?
Which of the numbered symbols below best represents a side view socket weld 90° elbow?
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
After seal welding a box, the painters ask how much paint they are going to need to coat the outside. The box is 230 mm long, 450 mm high and 375 mm wide. Of the answers below, choose the best one that reflects this number.
Of the material types below, which one only is available in class 150 and 300 fittings?
"Fusion welding with an oxidizing flame on this type of material will cause welds that are porous, oxidized, and brittle." This statement best describes which of the metals below?
(se)Which device below uses one or more diodes to restrict current to flow to one direction, changing AC to DC in the process? From the answers below, choose the best one.
In accordance to the specifications set out by AWS, which of the following symbols would be placed on a package of silver filler metals? Choose the best answer from the ones provided below.
An Instrument air piping system does not exceed 1673 psi @ 100 degrees F. What class of forged steel fitting in conjunction with Sch 80 piping should be used
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
(se)"This device limits electrical flow to one direction." This statement best describes which of the devices below?
When faced with vertical movements typically in excess of 13mm, or where no residual stresses are to be transferred to the pipe, which of the supports below would be the best to install?
The fraction ⁵⁸⁄₇ is equal to which of the answers provided below?