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Plumber: FIRST PERIOD

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

"This gas irritates sensitive skin and mucous membranes. It is non-flammable, has an unpleasant odour, and is colourless." This statement best describes which of the following gases?
As it relates to calculating grade, which of the terms below best describes the letter "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?
"When required to make a square cut off line on a pipe, this coiled layout tool made of gasket material is commonly used." Which of the tools below best fits this description?
In relation to soldering, what does the term "Bore" signify?
The chemical symbol C₂H₂ best represents which of the following compunds?
Puller, Nut adjuster, Hydraulic load coil and Support bridge are all parts of which of the following tools?
Which of the following gases has the highest MJ/m³ rating? Choose the best answer from those provided
What tool is pictured below?
Which butt weld fitting wall thickness has the smallest number of fitting sizes?
All butt weld fittings must have _____ pieces of information stamped on them.
Which parts of an ASPT or NPT are flattened slightly?
"One of the principles of hydrostatics is that a fluids pressure is proportional to ________." Choose the best answer below to complete the sentence.
Of the answers below, which is the best oxyacetylene term for the condition that occurs when the tip produces a shrieking noise, sparks and dark smoke.
There a specific vocabulary when describing the areas of a fillet weld. Which of these terms is represented by "J" in the picture below? Choose the best answer from those provided.
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for a large volume?
When dealing with acetylene cylinders, generally you will encounter two types of valves. Which of the sets of valves below would you see?
A carbonizing flame would be best suited to which of the following applications?
"Has a gasket surface in the same plane as the bolting circle face." Is the best description of which fitting?
Convert 0.41278 to a fraction. Choose the best answer from below.
Inches of Hg is commonly used for atmospheric pressure. What is the difference in pressure exerted by a 10" column of Hg with a 1 in² base, when compared to a column of water the same height? Use the best answer from those provided below.
Pressure vessels such as pipelines, plumbing, gas cylinders, boilers and fuel tanks can be tested for strength and leaks. From the list below choose the correct testing procedure.
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
Which of the numbered symbols below best represents a side view threaded tee elbow?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Which of the layout tools below would be the most accurate in transferring measurements? Choose from the following tools.
Downstream of the aftercooler, but upstream of the reciever, should be the location for which of the following components of a basic pneumatic system?
Calculate the mass of 2.75 m³ of stainless steel that weighs 3790 kg/m³. Choose the best answer from the ones provided below.
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 "I" in the picture provided?
Socket weld fittings are generally used to join piping that is 50mm(2") or less?
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
The most common colour for a oxygen gas hose in an oxyacetylene set up is which of the below?
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 installing a new valve into an existing piping system you find that the flange bolt holes are threaded UNC. The original line also has tapped bolt holes, but are UNF. The valve installation details requires a nut on the valve flange, the line specification requires a fastener with a nut on both ends. Which of the solutions below would satisfy all of the specifications?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the roof of the container. Of the following answers, which gas would he be testing for?
(se)While welding, what is the result of shortening of the welding arc? Choose the best answer from those provided below.
Of the welded joint configurations, which of the terms below references the picture provided?
If you were to completely show a workpiece in an orthographic projection, how many views would be required as a minimum? Choose the best answer from those provided below.
(wf)Of the defects listed below, which one best describes the picture shown?
(wf)The specific requirements of fabrication must include any of the the welding processes. Chemical and mechanical factors are taken into account in every facet of that fabrication. Any deviation from these requirements would be considered a defect." This statement best describes which of the following weld defects?
Straight pattern, Y pattern and angle pattern are all design variations of which style of valve?
What type of wrench is pictured below?
If you are asked to install PVC piping for a drainage system, what colour must the pipe and solvent be? Choose the best answer from the options 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?
(se)"An type of material that allows the flow of an electrical current in one or more directions." The best answer that this statement describes is which of the following?
Of the options below, which one relies on the memory of the plastic tube to contract to its original size after the fitting is inserted?
A small system has been filled and is ready to pressure up. Which of the pumps below would be the best to use for this test?
To supply a gas test with high pressure, dry gas, which of the following would be best to use?
"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?
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.
Fire suppression applications use CPVC piping. For this application what colour must this piping be? Choose the best answer from the options below.
A natural gas boiler has an output rating of 43500 Btu and is 67% efficient. Which of the answers below best represents it's input rating?
When beginning a soldering or brazing project, which one of the following is one of the deciding factors for proper solder selection?
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
What application is better suited for a double flared fitting?
The _________ has a one-to-one ratio of acetylene and oxygen, any additional oxygen needed for complete combustion comes from the surrounding air. Use the answers provided to fill in the blank.
If you needed to place new threads on the inside of a fitting, which of these tools would be best?
What tool is in the picture below?
(wf)Structural discontinuities would include all of the following defects except one. Of the answers below choose the one that is not a structural discontinuity.
What type of screwdriver head is pictured below?
These multi-purpose portable fire extinguishers are light, commonly red, and have a short nozzle or a narrow length of hose. Choose from the answers below the one that best applies.
Of the options below, what is the following sentence describing? "This is a mechanism that mechanically joins or affixes two or more objects together."
When used in conjunction with a flashback arrestor, a reverse flow check valve is best to be place where on an oxyacetylene setup?
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 "B" in the picture provided?
There are two basic techniques to pierce a hole in plate steel. Choose the one that best applies from the answers below.
"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?
Fill the blanks with the answers provided. "These two valves, _______ and ________ are usually used together in a line. The flow of fluid through the line finds little friction from either one."
From this description, choose the correct pipe support. "A piece of pipe, to support a line, that is mitered and welded to the back of an elbow."
Use the following answers to fill in the blank. "The _________ should be reviewed to be assured that the proper studbolts and nuts are being used."
The ________ is produced when slightly greater volume of oxygen is mixed with a smaller volume of acetylene. Choose from the answers below to fill in the blank.
Which of the numbered symbols below best represents a side view butt weld tee?
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
The most common type of gauge that is found on a regulator is a bourdon type. Choose from the situations below the best way not to have these gauges damaged when opening a cylinder.
There are many parts to a circle. Which of the answers below best relates to "A" in the picture provided?
Convert 0.67 to the the nearest practical fraction. Choose the best answer from the ones below
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
With ______ piping, fusion welding, and acid resistant clamps are the the most basic types of joining. Choose from the following to fill in the blank.
There are many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "F".
As it relates to calculating grade, which of the terms below best describes the letter "A"?
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
(se)All welding machines have a duty cycle. A machine with a duty cycle of 72% with an amperage of 425, would run continuously at what amp maximum? Choose the best answer from the selection below.
The most common colour for a fuel gas hose in an oxyacetylene set up is which of the below?
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
Spiral wound gaskets have 6 identifiers on them, which of the below is not one?
Calculate the mass of 6.25 ft³ of gold that weighs 3579 lb/ft³. Choose the best answer from the ones provided below.
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
What is the name of the grinder pictured below?
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.
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.
Soapstone is commonly available in three grades. Which grade would be best served for marking out steel? Choose your answer from the options below.
There a a number of steps in the proper fabrication of a Bell-end joint. Choose the answer below that reflects that number the best.
The fraction ⁵⁸⁄₇ is equal to which of the answers provided below?
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 2.3%-9.5% in air.
"These types of pumps come in a reciprocating and rotary style." This best describes which of the answers below?
Which of the following answers best describes the advantage of preparing a joint with a U groove over the Vee groove style?
"The steps in preparing this type of fusion weld and a steel weld are very similar." Which of the answers below best fits this description?
What type of bar is pictured below?
(se)When sizing welding cables, which of the cables below would be the smallest?
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.