A randomized 100 question test from a pool of 991 questions, good luck!
(ofe)On every oxygen cylinder there is an overpressurization safety device. Of the answers below, choose the best name for this device.
Calculate the mass of 2.75 m³ of stainless steel that weighs 3790 kg/m³. Choose the best answer from the ones provided below.
If the piping isometric that you are working off of has a ¼":1' reduced scale to it, what is the print length of the workpiece if it measures 12' on the bench? Choose the best answer from those provided below.
Of the list below, a try cock is considered what type of valve?
What type of screwdriver head is pictured below?
You are asked to draw an unbroken horizontal line. Which of the drawing tools below would be the best choice for this task?
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?
The engineer has asked you to verify the base for setting a tank on, the area required will be a minimum of 10 meters. Which of the answers below best represents the minimum radius required to set the tank?
The major difference between machined screws and both wood screws and sheet metal screws is which of the following?
(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?
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.
All of the below are common disadvantages of using plastic pipe except one. Choose the answer that is not a disadvantage.
In relation to soldering, what does the term "Capillary action" signify?
(ofe)"Carefully controlled tolerances are required to manufacture quality cutting tips. One-piece tips that are used in the cutting process with acetylene are generally made from ________ to endure the heat generated. To produce exact holes for these tips, they are machined, drilled, and swaged over special wires." Select the best answer from the ones below to fill in the blank
(ws) Radiant energy released by a welding arc is far stronger than that of the sun, or other sources. Exposed skin will take a smaller amount of time to reach the same severity of burn with the sun, which of the answers below corresponds to that accelerated time?
(ofc)"This type of oxy-fuel cutting torch has preheat gases supplied to the cutting tip." Which of the following torch types is best described by this statement?
Spiral wound gaskets have 6 identifiers on them, which of the below is not one?
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?
Your crew has just finished setting an enclosed vessel that had a 15 m diameter, a height of 23 m. The insulator foreman has asked you to verify his requirements of insulating the shell of the vessel. Choose the best answer from the ones below that represents the amount of insulation required.
What type of copper tube is most commonly used in fabricating a hydronic systems?
(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 be created during non-destructive testing of welds?
(ofe)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.
Calculate the relative density of a steel at 2357 lb/ft³ with water at 62.4 lb/ft³. Select the best answer from the ones provided below.
Self-Drilling anchors are considered to be this type of anchor. Choose from the following answers.
The recommended PVC grooved joint operating maximum temperature is which of the 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 severe muscle contractions and burns as it travels through the body?
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
Weld fittings are available in two varieties, one of these is:
(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.
(ws) Welding and Oxy-fuel cutting have some specialized safety equipment. Which of the answers below would be the minimum recommended filter plate for low amperage SMAW welding?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
"This two-part anchoring system consists of resin and hardener which are combined through a mixing nozzle, and an anchor rod." This is the best description of which of the following anchors?
(se)While welding, what is the result of shortening of the welding arc? Choose the best answer from those provided below.
(ofc)There are two basic techniques to pierce a hole in plate steel. Choose the one that best applies 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 "I" in the picture provided?
(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)"This device limits electrical flow to one direction." This statement best describes which of the devices below?
If you allow swarf to accumulate on the tool you are using, what are the problems that can arise?
Of the options below, which one requires both ends of the plastic pipe to be perfectly square?
Using the picture below, which of the following answer best describes the dimension "A"?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
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?
When buying a ______ solder, the ______ content is always listed first. Fill in the blanks from the options below.
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
(se)The graph below best represents which type of welding machine output? Choose from the best answer from those provided below.
(ofe)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.
"Has a gasket surface in the same plane as the bolting circle face." Is the best description of which fitting?
What is the pressure exerted by 1 ft² of water? Choose the best answer from those provided below.
This chisel has a cutting edge that is typically 60°,but can be reduced to 40° or increased to 90°. The chisel that best suits this description is 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
Of the selection of units below, which would be best used to describe pressure?
The isometric below has an abundance of information contained within it. The amount of 4 inch A106-B sch 40 piping that is required for this drawing is best represented by which of the answers below?
Which of the following situations would a scribe be the best layout tool of choice? Use the following situations for your answer.
When fusion welding a butt joint, what is the suggested size of the root opening? Choose the best answer from the ones below.
In vertical runs of piping (risers) at each floor level there should be a support. The type of hardware used by mechanical building trades for supporting pipe would be which of the following?
(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 no sensation as it travels through the body?
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?
Of all the valves below, which would have close to the same flow characteristics as a globe pattern straight valve?
"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?
Complete this equation. 5⅘ x 2⅜ = X. Choose from the selection of answers below.
(ofe)The most common colour for a oxygen gas hose in an oxyacetylene set up is which of the below?
(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?
(ofc)There are three commonly used basic systems of controlling the operation of a mechanized oxy-fuel cutter. Which of the answers below is not one of them? Choose the best answer from those provided below.
When installing an auxiliary service piping system, what code would you reference for the minimum standards?
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?
When selecting a flux, what is the most important consideration to be made?
"Grinding on the workpiece resting on this attachment prevents sudden slips in which the wheel grabs the work momentarily and yanks it out of the operator's hand, or pulls the hand toward the wheel." This is the best description of which attachment to a bench grinder? Choose from the answers below.
What tool is pictured below?
(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.
(ofc)During the oxy-fuel cutting process, iron oxidizes. Of the terms below, which one best describes the resulting lines on the surface of the cut from this process?
(wf)Almost all electrode rods are kept in a container to protect them from the elements. Which of the following weld defects would this be the best form of protection from?
A small percentage of fuels, when exposed to air, water, or heat under normal condition will chemically react. These fuels are classed as which of the below?
(es) Using the proper tool for the job is an integral part of working safely. When trying to tighten a lock nut, which of the tools below would be the best choice?
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?
Using the picture below, choose the best answer that relates to the item indicated by the "A".
(se)On a brand new joint, when welding one of the first two passes, what arc length should be used? Choose the best answer from the options given below.
What type of screwdriver head is pictured 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.
(ofe)Of the answers below, which is the best oxyacetylene term for the condition that occurs when the flame burns back into the tip, followed by a "pop" noise?
(papg) There are several different methods to calculate the grade of a slope. Which of the methods below would only be used for imperial measurements only?
(v) There are many variations of the basic types of valves. Which of the basic valve types below would have "Firing valve" variation?
Of the material types below, which one only is available in class 150 and 300 fittings?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
"This type of cutting machine has a large flywheel driven by an electric motor that does the cutting." Of the answers below choose the one that is best described by this statement.
Of the answers below, choose the layout tool that would most likely consist of a "Bevel protractor" and a steel rule
"While dimensioning drawings, there is one of the following activities that you must avoid doing." Which of the following actions when dimensioning a drawing must be avoided? Choose the best answer from the ones provided below
Class 3000, is a fitting classification for which type of material?
There are several steps to consider when soldering on a valve. Of the list choose the one that dose not apply
There are many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "C".
(ofe)On every acetylene cylinder there is an overpressurization safety device. Of the answers below, choose the best name for this device.
(ofe)Of the gases below, choose the one that has the highest flame temperature in its neutral state.
(bs)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.
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.
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."
(ws) There are several different types of energy that are released when you are welding or oxy-fuel cutting. Which of the answers below would create the greatest amount of "Ultraviolet rays" while being used?
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.
(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.
(papg) Assessing the surface area of any cylinder involves several calculations. Which of the answers below is determined by the formula "πr²"?
(bs)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.
15.5 meters of line is supposed to be graded at 1:13, which of the answers below best satisfies this grade?