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.
A piping system that is being designed to carry a petroleum product at 16 psig and 350F would be covered under which code(s)?
On every acetylene cylinder there is an overpressurization safety device. Of the answers below, choose the best name for this device.
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?
(wf)The welding surface may contain discontinuities from the style of preparation. From the answers below, choose the best one that describes discontinuities from a surfaced prepped by thermal cutting blades.
When referring to the center to end measurement of a 90 degree elbow threaded fitting, what is the best term that describes this measurement?
Which of the numbered symbols below best represents a socket weld globe valve?
The pressure exerted by a column of Hg 9" high would be which of the following answers? Choose the best answer that applies from the ones below
When suspending stationary non-insulated pipe line, it is recommended to use which of the supports below?
A fuel gas piping system does not exceed 2795 psi @ 100 degrees F. What class of forged steel fitting in conjunction with XS piping should be used
"Smaller tubing sizes and the strength of the operator are both characteristics that this type of bender has." Of the options below, choose the bender that best fits this description.
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.
There are some good trade practices when using a hammer. Of the practices below, which is not one of them?
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers below to fill in the blank.
(se)The distance from the molten pool of the weld to the end of the electrodes core wire is called the arc length. A distance that is ________ of the diameter of the electrodes core wire is considered normal. Choose from the following options the best answer to fill the blank.
A cold water piping system does not exceed 3000 psi @ 100 degrees F. What weight of pipe is required with class 3000 forged steel fitting?
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.
(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.
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.
"An extra piece of equipment is required when testing with an air compressor." This statement best describes which of the following answers?
The design of a ball valve is similar to which of the listed valves?
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
When buying a ______ solder, the ______ content is always listed first. Fill in the blanks from the options below.
Your journeyman has asked you to torque a 4" #150 flange to 50 ft/lbs. This represents 30% of the total torque, which of the answers below best represents the full torque value?
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?
When the work that is being performed is not dependent on the pressure delivered from the cylinder being used, which style of regulator would most commonly used?
(wf)After the fillet weld is complete, the weld profile looks like the green section of the picture below. Which of the terms below best describes this profile?
What type of wrench is pictured below?
Which of the numbered symbols below best represents a side view threaded 90° elbow?
(se)"This term is describing a welding machine that has a steep volt-amp curve. It is well suited for SMAW and GTAW welding." This statement 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 force?
What tool is pictured below?
(mse)The CSA classification of carbon steel SMAW electrodes is metric. Choose the best answer for what the "70" represents, in the answers below.
Using the terms provided, choose the best one that would be described as a substance that cannot be be chemically reduced into simpler components.
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.
Of the gases below, choose the one that has the highest flame temperature in its neutral state.
Typical hanger spacing for 150 mm stainless steel pipe is 5.5 m. Using that information, how many hangers are needed on a 46 m horizontal run?
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?
The number of turns by _______ should be _______ than the number of turns by _____ when tightening a threaded joint. Choose the words in order to fill the blanks from the options below.
Calculate the volume of 2.3 lb/ft³ of aluminium that weighs 1479 lbs. Choose the best answer from the ones provided below.
On the jobsite you have to cut 200 mm plate, and have to heat a large hoarding from the same supply. Of the gases below, choose the gas that would best fill both of these requirements.
The first step in starting a task involving plastic pipe should be? Choose the best answer from the following.
Gate valves have many advantages. One of the following is not among of them. Choose which one.
Of the flame types for the oxyacetylene torch, which of them burns the hottest at the tip of the cone? Choose the best answer from the ones provided below.
To cut a piece of copper tube with a hacksaw, which of the following blades would be best?
"The temperature at which a metal changes state from solid to liquid at atmospheric pressure." Is the best description for which of the terms below?
You are asked to cut a mark on a 50mm piece of pipe with a 5" grinder. Which of the tools below would be the best to secure the pipe for cutting?
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 2.5%-80% in air.
"Generally concrete screws are fasteners considered _________ and have applications with _______ loads." Choose from the answers below to fill in the blanks.
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
The vents of a hydrotest are not in the open position on all of the high points while filling the system. Which of the following is the likely result of this situation when trying to test the system
What type of screwdriver head is pictured below?
To supply a gas test with high pressure, dry gas, which of the following would be best to use?
There a specific vocabulary when describing the areas of a fillet weld. Which of these terms is represented by "G" in the picture below? Choose the best answer from those provided.
Composition disc type valves are part of which of the following categories?
"Heat number" is a designation that can be replaced by which term?
There are a certain number of steps to installing soldered tube/pipe. How many steps are required?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
You have just installed a small vessel on site, the height is 29' and the base has a 9' diameter. What is the force exerted on the pad that it sits on when completely full of water? choose the best answer from those provided below.
A fitting that has a classification of 2000 would be what kind of fitting?
Which of the following supports has a hardened steel cup set screw?
The proper procedure for shutting down an oxyacetylene outfit takes an number of steps. Of the answers below, choose the one that represents these number of steps.
When using a beam clamp, ensuring the recommended support load is not exceeded is important. What other component of this support system needs to checked against the weight of the load?
Which of the layout tools below would be the most accurate in transferring measurements? Choose from the following tools.
Which of the numbered symbols below best represents a side view threaded cap?
"A substance that undergoes a ___________, doesn't chemically alter what the substance is." Choose from the options below to best fill in the blank in this statement.
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.
What tool is pictured below?
What tool is in the picture below?
The material that is blown away by the oxygen stream while oxy-fuel cutting is called which of the following terms? Choose the best answer from the selection below.
If you were trying to depict the inside workings of an item, you which of the following orthographic views would be best for the task?
Looking at the body of a check valve you see a hinge pin on the body. Of the following valves what is the valve you are looking at?
Of all the materials that make clothes, there is one type that should never be worn in a industrial workplace. Of the answers below, choose the one that best applies.
Using the picture below, which of the following answer best describes the dimension "A"?
What type of wrench is pictured below?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
"This gasket material is generally used in low pressure, low temperature applications." Which of the materials below best fits this description?
"The ability of a substance, usually a metal, to be deformed or molded into a different shape." This statement is the best description of which of the following terms?
Which is the best answer below that describes the following picture?
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for length?
(wf)In during a welded joint, the input of heat must be controlled. Which of the issues could result in a weld where the heat input was not controlled well? Choose the best answer from those provided below.
There are many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "B".
There are many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "C".
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 "H" in the picture provided?
When used in conjunction with a flashback arrestor, a reverse flow check valve is best to be place where on an oxyacetylene setup?
(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
"This term is a combination of metals or of a metal and another element." Which of the following terms is best described by this statement?
"This layout tool consists of a calibrated protractor, X-shaped frame, and a triple jointed marking arm and holder. This allows for marking of steel or pipe." Of the answers below, choose the one is best defined by this statement.
There are a great many ways to give information about the shape of an object. Certain ways of drawing or views will give some information clearer than others. Of the answers below, choose the best term that describes the following picture.
"A substance that undergoes a ___________, there is a release or absorption of energy as a new substance is formed." Choose from the options below to best fill in the blank in this statement.
(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?
"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 answer below best describes the following picture of a bender?
"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?
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 process of shaping metal and increasing its strength by hammering or pressing." This statement best describes which of the following terms?
Typical hanger spacing for 76 mm black iron pipe is 4.3 m. Using that information, how many hangers are needed on a 20 m horizontal run?
Which of the states of matter can be defined as having defined mass, volume and shape? 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 a small volume?
The code that covers external piping for boilers that create steam or vapour at 15 psig or more, and water at a pressures in excess of 160 psig and/or a temperature in excess of 250F is which of the following?