A randomized 100 question test from a pool of 991 questions, good luck!
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
(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.
Which of the answers below best represents the pressure exerted by a column of water 1' in height and a base of 1 in²?
Choose the best answer below that is the density of water in imperial measurement.
A dielectric union would be placed into lines to prevent which condition?
The plug disc valve is a variation of which main category of valve?
(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?
Type "K" copper tube has which colour identification strip?
"The destruction of a metal or an alloy because of chemical or electrochemical reaction with its surrounding environment or medium."
What tool is pictured below?
Water distribution systems made from PE piping have a maximum operating temperature. What is that temperature? Choose from the options below.
Plastic pipe can move slowly in hangers. This is due to temperature changes that have an effect on the expansion and contraction of the pipe. This mechanism is commonly called which of the below?
Which of the states of matter can be defined as having a defined mass, and volume, but no defined shape? Choose the best answer from the ones provided below.
(es) The human body has some integral resistance to electrical contact. Which of the answers below would have the largest resistance to an electrical voltage?
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
Which of the below would be the best fitting to prevent damage from a pressure surge to a gauge on a hydrostatic test?
A plug valve is quick to open or quick to close. Another way of describing that profile is which of the following?
"There are many advantages to a vertical band saw. Of the advantages, one stands out as the greatest." Of the answers below, which one best fits that description.
(ofe)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.
(ofe)When used in conjunction with a flashback arrestor, a reverse flow check valve is best to be place where on an oxyacetylene setup?
(se)The graph below best represents which type of welding machine output? Choose from the best answer from those provided below.
"Before heating, the plastic pipe and fittings can be assembled." This statement best describes which of the following?
(ws) While welding, there may be contact with extremely hot metals, slag and sparks. Which of the answers below best relates to damage being done to the epidermis resulting in blistering?
What is the name of the cutter pictured below?
"Has a female socket in which pipe is fitted. Fillet welding is done from outside on the pipe." This is the best description of which fitting?
Which form of corrosion(s) is aided by an increase in temperature? Choose the best answer from the options below.
What formula would be correct when attempting to calculate the fitting allowance of a threaded 90 degree elbow?
(mse)"A load that is relatively constant for an extended time, is considered to be a ________ load." This statement best describes which of the answers below?
A square groove double weld commonly has a maximum material thickness of ________. Use the best answer below to fill in the blank.
"This cutting machine cuts metal with a scissor-like action." Which of the machines below best fits this description?
A pressure of 379 kPa is showing on your absolute pressure gauge. Your journeyman needs that in converted to psig. Which of the answers below best reflects the number that you will give them?
Of the valves below, which has a non-directional flow pattern?
What tool is in the picture below?
(ofc)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.
Which of the layout tools below would be the most accurate in transferring measurements? Choose from the following tools.
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
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.
There are a number of lines on the edge of any rule. Which of the terms below best corresponds to these lines?
Which of the following situations would a scribe be the best layout tool of choice? Use the following situations for your answer.
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
Which type of fastener below requires a layout of the holes before fastener is installed?
(se)While welding, what is the result of shortening of the welding arc? Choose the best answer from those provided 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?
(ofc)When inspecting your oxy-acetylene cut after cutting a piece of 50 mm plate, you notice that the bottom of the kerf line is slightly behind the top of the same line. Which of the terms below best expresses this condition?
The classification of fire extinguishers depends on the type of fire they can fight effectively. Which fire extinguisher type is denoted by the picture below?
(ofe)100°C is the approximate melting temperature of a fusible plug equipped on an acetylene bottle. Of the reasons below, choose the best reason explaining the purpose of these plugs.
Which answer below best describes the following picture of a bender?
(v) Valves have many uses in process control. Which of the valves below would be the worst choice for a throttling application for a slurry?
With regard to fitting a threaded joint, the length of the threads that is engaged inside the fitting is called by which of these terms?
A holding tank is 43 feet in diameter. How many feet of welding will it take to seal the lid on the top? Choose the best answers from those provided below.
(wf)Of the defects listed below, which one best describes the picture shown?
(ofe)One of the components in a oxyacetylene outfit is required to deliver a pressure that is consistent despite source pressure fluctuations. Which of the following components best fits this function?
There are several different types of groove welds. Which of those weld types is represented by the picture below? Choose the best answer from those provided.
(mse)"Loads that change in either size, position or direction, are considered to be________ loads." This statement best describes which of the terms provided?
What is the name of the reamer pictured below?
(v) There are many variations of the basic types of valves. Which of the basic valve types below would have "Gas cock" variation?
Calculate the mass of 2.75 m³ of stainless steel that weighs 3790 kg/m³. Choose the best answer from the ones provided below.
A 10 meter piece of brass pipe that has an operating temperature of 85°C and pressure of 34 kPa/m². This line was originally installed At -15°C, what is the total linear expansion in meters for this line? Choose the best answer from the ones supplied below.
What type of copper tube is most commonly used in fabricating a hydronic systems?
Which of the behaviors below best describes a rise or fall of the liquid surface, if a thin tube that is open at the both ends is inserted vertically in to a liquid, relative to the adjacent level of the fluid.
(ofe)"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?
Copper tube DWV fittings can be used on copper pressure piping systems
(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 wrench is pictured below?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
Which of the numbered symbols below best represents a side view threaded 45° elbow?
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?
(wf)Lack of fusion, oxidation and lack of penetration are all included in which of the following terms? Choose the best answer from those provided below
Which of the numbered symbols below best represents a socket weld ball valve?
There are several different types of groove welds. Which of those weld types is represented by the picture below? Choose the best answer from those provided.
(ofc)After manually oxy-fuel cutting a piece of 75 mm plate in half, your journeyman notices that the kerf lines are indicating a 25% lag in the slag stream. What is he trying to tell you? Choose the best answer from those provided below.
There are several different types of groove welds. Which of those weld types is represented by the picture below? Choose the best answer from those provided.
What application is better suited for a double flared fitting?
(mse)"Operational characteristics of an electrode can be controlled in several ways. One of those ways is by the different composition of the flux coating." Choose from the answers below the coating that does not apply to this statement.
(ofe)"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?
"This piece of legislation came into effect in 1915. This act deals primarily with compensation, medical aid and rehabilitation of a worker due to a job-related injury." Which of the answers below is best described by this statement?
There are many parts to a circle. Which of the answers below best relates to "D" in the picture provided?
Which of the numbered symbols below best represents a threaded ball valve?
Weld fittings are available in two configurations, one of these is:
"Two heating irons are used in this particular type of fusion welding." This best describes which of the following answers?
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for mass?
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."
In the groove and shoulder system, if you use a roll groove, what is the disadvantage of this type of groove? Choose the best answer of the options below.
(ofc)At what point, when cutting with oxy-fuel, should the cutting oxygen slowly be introduced?
When breaking down an element, smallest unit into which it can be divided and still retain its characteristic properties is best describes by which of the terms below?
If you have received 43 widgets out of an order of 378 widgets, what percentage of widgets have been accounted for? Choose the best answer from the ones provided below.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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 floor of the container. Of the following answers, which gas would he be testing for?
In a piping system fittings can be used in a variety of situations, one of those is:
Using the picture below, which of the following answer best describes the dimension "C"?
When heated, metal forms a scale on it's surface. This scale is called what?
To avoid electrical shock there are several steps that can be taken. Of the answers below, choose the one that does not apply.
Every hacksaw blade has a "set". This particular "set" has every tooth bent slightly to the side and in the opposite direction of the one in front of it. Of the answers below, choose the best "set" to match this description.
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
Calculate the density of 5 m³ of copper that weighs 3879 kgs. Choose the best answer from the ones provided below.
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for pressure?
Type "L" copper tube has which colour identification strip?
Typical hanger spacing for 50 mm cast iron pipe is 3.0 m. Using that information, how many hangers are needed on a 13 m horizontal run?
Of the answers below choose the best answer that reflects style of press that has the highest capacity.
The 3 classes of fittings for a forged steel piping system come in 3 classes. Of the list below, select the 3 that apply.