A randomized 100 question test from a pool of 898 questions, good luck!
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.
In the picture below there are various dimensions noted. Choose the answer from the ones provided that best describes the orientation of the numerical dimensions.
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
Of the welded joint configurations, which of the terms below references the picture provided?
Which of the following types of copper requires a bending device?
The plug disc valve is a variation of which main category of valve?
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?
What tool is pictured below?
In a carbonizing oxyacetylene flame, the length of the feather indicates which of the conditions below? Choose the best answer from the following.
What tool is in the picture below?
STD or Sch40 piping is measured by the nominal ______ up to ______ diameter, and by the exact ______ up to ________diameter. Use the choices below to fill in the blanks in order.
One of the four classifications of fusion welding low alloy steel oxy fuel gas welding rods is R60. What do the two numbers represent in this classification? Choose the best answer from the options below.
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?
Convert 4.81' to the nearest ¹⁄₁₆ of an inch. Choose the best answer from the ones below
In the picture below there are various dimensions noted. Choose the best answer from the ones provided to show the arc dimension.
(wf)Of the defects listed below, which one best describes lines pointed to by the black arrows in the picture shown?
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.
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
"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.
You are part of a crew that is hydrotesting a 40 m, 50 mm, Sch 60 alloy pipe. It is set up horizontally, north to south, on pipestands with a gauge at both ends. According to the principles of hydrostatics, what will the gauges read when the test is up and holding at 45 kPa? choose the best answer from the options below.
What type of wrench is pictured below?
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.
Of the welded joint configurations, which of the terms below references the picture provided?
After cutting a pipe to length with a torch beveller, what is the next step in the weld preparation process?
Which of the measurements below is the metric standard for the breaking strength of bolts?
On any angle grinder and grinding disk there is an RPM rating. What is the relationship between the rating of the grinder and the rating of the disk? Choose the best answer from the ones below
(se)Your welder asks you to turn up the _________ on his welder for more penetration. Choose the best answer from the options below to fill in the blank.
(mse)There are a number of components to a simple SMAW weld. In the picture below, #5 is best represented by which answer below?
"Are used with meters for the purpose of measuring the flow rate of either liquids or gases in the respective pipeline. Pairs of pressure "Tappings", mostly on 2 sides, directly opposite each other, are machined into the flange." This is the best description of which type of fitting?
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.
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?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
What tool is in the picture 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.
Of the answers provided, choose the thermoplastic that is used for laboratory DWV, and has similar characteristics to PP.
The recommended PVC grooved joint operating maximum temperature is which of the below?
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.
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?
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?
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.
What tool is in the picture below?
What type of screwdriver head is pictured below?
Which oxy-fuel cutting tip is pictured below. Choose the best answer from those given below.
Class 3000, is a fitting classification for which type of material?
What is one of the three main differences between DWV and pressure application fittings?
(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?
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?
Which of the valve styles below best fits the following statement "This variation of globe valve can be used where minimum pressure loss is required. They can also be rod through to remove debris upstream of the valve. "
(se)Which of the terms below is used when a sine wave completes a 360° rotation?
(se)What type of welding circuit is pictured below? Choose the best answer from those provided.
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
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
Weld fittings are available in two varieties, one of these is:
A 35 meter piece of copper pipe that the first 10 m section has an operating temperature of 105°C and pressure of 34 kPa/m² until a restriction, then the temperature and pressure both drop by 15 for the remainder of the line. The entire line was originally installed at -25°C, what is the total linear expansion in meters for this line? Choose the best answer from the ones supplied below.
"A mixture of substances (in fixed proportions) that melts and solidifies at a single temperature that is lower than the melting points of the separate constituents or of any other mixture of them." Is the best description of which of the soldering terms below?
Choose the best answer below that is the density of water in imperial measurement.
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
Of the welded joint configurations, which of the terms below references the picture provided?
Copper tube pressure fittings can be used on copper tube DWV piping systems.
A dielectric union would be placed into lines to prevent which condition?
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 marking the cut on a 250mm (10") diameter pipe, what tool should be used to be assured that the mark is the same measurement all the way around the pipe?
"One of the principles of hydrostatics is that a containers shape that is holding a fluid will ________." Choose the best answer below to complete the sentence.
(se)The melting of the electrode and/or the base metal comes from the strength of the electrical current passing through them. Of the answers below, which term best describes the strength of the current?
In oxy-fuel welding, the two terms "forehand" and "backhand" reference the ________ of the torch, or heat source, to the puddle of the weld. Choose the best answer to fill in the blank from the options below.
Using the picture below, which of the letters best illustrates a flat faced flange?
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?
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
What is the SI measurement for air pressure? Choose the best answer from the options below.
What type of bar is pictured below?
Of the list below, the two most commonly used pressure ratings on fittings are Class 125 and 250.
Which of the numbered symbols below best represents a socket weld gate valve?
There are many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "A".
Of the answers below, which is the best oxyacetylene term for the explosive condition that occurs upstream the mixer and can include all of the components in the outfit including the regulator.
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?
In a piping system fittings can be used in a variety of situations, one of those is:
"A substance used to promote fusion that is applied to surfaces to be joined to keep them free from oxide and promote their union." This is the best definition of which of the soldering terms below?
There are many parts to a circle. Which of the answers below best relates to "D" in the picture provided?
"Easy rotation of the piping to allow for even wearing of the pipe in an abrasive application." This is the best description of which of the plastic pipe joining types below?
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
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 materials that butt weld fittings can be made from include:
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.
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.
(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.
(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.
Choose the best answer below that is the density of air at STP in metric measurement.
"Before heating, the plastic pipe and fittings can be assembled." This statement best describes which of the following?
Using the terms provided, choose the best one that would be described as a substance being chemically joined in fixed proportions of two or more different types of atoms.
Each substance has it's own rates of expansion and contraction, using the table below find the substance with the greatest amount of expansion per °C. Choose the best answer from those provided below
(mse)The protective shield that purges any atmospheric gases that may be harmful to the weld, and the slag that protects the weld metal both are produced from one area in the weld zone. Which of the following ares best describes where these are produced?
(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 gouging. blades.
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
"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?
"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?
An acetylene bottle has a specific volumetric capacity. The cylinder should not be emptied more then one _______ of that capacity per hour. Choose the best answer to fill in the blank from the ones below.
These manufacturer installed items must be removed before the piping is put into operation, but not before the Variable Spring Hanger is installed and fully loaded. Of the selections below, which items best fits this description?
The classification of ferrous piping includes all of the following except for one. Choose the pipe that is not ferrous.
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?