A randomized 100 question test from a pool of 991 questions, good luck!
(ofe)Of the gases below, choose the best one that supports combustion, but is non-flammable on it own.
The air has a density of _________ at STP, based on 101 kPa and 0°C. Use the best answer below to fill in the blank.
(wf)Which answer below best describes the undesireable situation shown by the three black arrows?
When beginning a soldering or brazing project, which one of the following is one of the deciding factors for proper solder selection?
(papg) Assessing the surface area of any cylinder involves several calculations. Which of the answers below is determined by the formula "2πr²"?
Fillet welds have fundamentally ________ different types of welds. Choose the best answer from those below to fill in the blank.
Which of the welding processes below would welding goggles be worn?
"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?
(ofe)Regulators commonly have three working parts to them. Which of the parts does the the adjusting screw attach to? Choose the best answer from the ones provided below.
Of the answers below, which best reflects the name of the drill pictured?
Which type of flange is machines with a flat face to help facilitate frequent cleaning or inspection?
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers 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 "E" in the picture provided?
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.
Using the picture below, which of the following answer best describes the dimension "C"?
(wf)A weld defect called "precipitate hardening" is a situation that can lead to which of the below problems? Choose the best answer from those provided
What type of wrench is pictured below?
Which of the following types of copper requires a bending device?
(papg) There are several different methods to calculate the grade of a slope. Which of the methods below would best represent a line to be graded up at 2%?
(ofe)A carbonizing flame would be best suited to which of the following applications?
(ofe)When using your oxyacetylene torch, if your gas speed is higher that the speed of flame propagation, what will the outcome be?
Using the picture below, which of the letters best illustrates a male and female set flange?
"Is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression." This is the best definition of which fitting?
A lube oil piping header has a slope of ¹⁄₁₆ every 9 inches. In a 27' run, what is the total drop of the line? Choose the best answer from the ones provided below.
(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?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
"The reaction caused by contact between metals and oxygen molecules." Is the best definition of which of the terms 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?
(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 largest range of flammability.
(se)When sizing welding cables, which of the cables below would be the smallest?
Piping that you have to be order for a job needs to be absolutely devoid of any surface contamination. Which of the following finishes will you ask to have put on your piping?
(papg) Assessing the surface area of any cylinder involves several calculations. Which of the answers below is determined by the formula "πr²"?
(ofc)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?
(se)On a brand new joint, when welding the last pass, what arc length should be used? Choose the best answer from the options given 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.
Convert ⁷⁄₁₅ to a decimal. Choose the best answer from the ones below
(ofe)The proper procedure for setting up an oxyacetylene outfit takes an number of steps. Of the answers below, choose the one that represents these number of steps.
(v) Individual types of valve have certain characteristics. Which of the valves below would be available in angle, Y, and straight configurations?
"The destruction of a metal or an alloy because of chemical or electrochemical reaction with its surrounding environment or medium."
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
What is the name of the cutter pictured below?
(wf)Of the defects listed below, which one best describes lines pointed to by the black arrows in the picture shown?
(ofe)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.
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.
(ofe)The chemical symbol C₂H₂ best represents which of the following compounds?
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."
Convert 4.81' to the nearest ¹⁄₁₆ of an inch. Choose the best answer from the ones below
Looking at the following terms, choose the best answer that is not associated with a characteristic of a gas.
(papg) When calculating the area of a shape, you would use the terms "length" and "width". Which of the terms below represents the "width" of a 90° triangle?
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for energy?
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
After the second tack is in place, what is the tool most commonly used to maintain the gap?
What tool is in the picture below?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
(se)The connections used for welding cables must be tight. If an undersized lug is used, which of the following might occur with a high current load? Choose the best answer from the ones below.
There is a set number of steps in the procedure for creating proper joints with thermoplastic piping. Of the answers below, select the one that is closest to that number.
(wf)"This term refers to a physical property of a material which describes the ability of a material containing a crack to resist further cracking."
Which of the the materials below should never be used to repair an acetylene hose. Choose the best answer that applies.
Of the list below, the two most commonly used pressure ratings on fittings are Class 125 and 250.
"In drill presses and drills, to hold the drill bits and accessories, there are several tooling devices that can be used." These are commonly called which of the 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 "C" in the picture provided?
What tool is pictured below?
At the warehouse, they have received an exchanger. You look at the waybill, and see that it was discounted 3 separate times for 15%, 12% and 6% each. If the original price was $45,692, which of the answers below best represents the final purchase price?
(ofc)Which of the following gases has the highest MJ/m³ rating? Choose the best answer from those provided.
A fitting that has a classification of 2000 would be what kind of fitting?
If you are bypassing or modifying a ground connection, you are creating what kind of hazard?
Omitting this step in the solvent welding of a joint could result in blockage, turbulent flow, and cause pressure loss by restricting the bore of the pipe. Of the answers below, choose the one that applies best
(ws) There are several different types of energy that are released when you are welding or oxy-fuel cutting. Which of the rays below would best be described as one that would cause skin to burn due to an elevated temperature of the exposed area?
(ws) There are several different types of energy that are released when you are welding or oxy-fuel cutting. "Visible light rays" Would best be defined by which type of energy below?
(ofe)The most common colour for a oxygen gas hose in an oxyacetylene set up is which of the below?
Using the picture below, which of the letters best illustrates a ring joint flange?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
What type of punch is pictured below?
(es) Amperage has an effect on the human body depending on the amount exposed to. Which of the mA answers below best corresponds to having pain, loss of voluntary muscle control and difficulty breathing, as it travels through the body?
(wf)"The maximum load that a material can support without fracture when being stretched." This statement best describes which of the following terms?
When one substance is dissolved in another homogeneously, this is called a solution. Which of the three states of matter can a solution exist? Choose the best answer from the ones provided below.
(ofe)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.
"Heat number" is a designation that can be replaced by which term?
What tool is in the picture below?
In air there are numerous gases in varying proportions, which of the answers below best represents those proportions?
T=K x D x P, This formula is used to find the starting tightening torque target number. What does the "K" represent in this formula?
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?
(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?
What tool is in the picture below?
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.
Which of the answers below best represents the pressure exerted by a column of water 1' in height and a base of 1 in²?
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?
"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?
(wf)Of the types of inclusions below, which would be characteristic of a GMAW process?
Which of the numbered symbols below best represents a threaded ball valve?
"Machined from a single piece of metal that is cut to match the pipe size, fit between two pipe flanges and requires an additional gasket when it is installed. Also, the bolts will need to be lengthened depending on what piping class and size of the fitting is used." This is the best description of which fitting?
While fitting a joint you are made aware that there is no wall thickness stamped on the fitting you are going to use. The proper course of action would be?
(es) Using the proper tool for the job is an integral part of working safely. When trying rotate a 2" length of pipe, which of the tools below would be the best choice?
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.
"These drawing tools as commonly used with a T-square to produce vertical and angled lines." Of the tools below, which is best described by this statement?
In the picture below there are various dimensions noted. From the information in the provided picture, select the best answer to describe the method of dimensioning.
A boiler that creates superheated water at 175 psig and 275F is covered under which code(s)?
"Has a gasket surface in the same plane as the bolting circle face." Is the best description of which fitting?
To properly prepare a joint to be welded, how many steps should be used to get the joint tacked?