A randomized 100 question test from a pool of 898 questions, good luck!
"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
"The temperature of a metal, below which the substance is entirely solid." The best term to fit this description from the group below is?
The classification of ferrous piping includes all of the following except for one. Choose the pipe that is not ferrous.
"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?
There are several steps to consider when soldering on a valve. Of the list choose the one that dose not apply
"During the creation of this style of groove, the steel of the pipe is cold formed while it is displaced inward." Of the answers below, choose the one best described by this statement.
Every hacksaw blade has a "set". This particular "set" has every third tooth straight, while the two before it are bent slightly to the side opposite of each other. Of the answers below, choose the best "set" to match this description.
(se)When sizing welding cables, which of the cables below would be the smallest?
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?
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?
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
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
The tools pictured below represent which type of pliers?
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 "F" in the picture provided?
"This material is formed with cross-linking, and becomes irreversibly rigid after the reaction has taken place." This is the best description of which of the terms below?
The most common colour for a oxygen gas hose in an oxyacetylene set up is which of the below?
Type "K" copper tube has which colour identification strip?
After the second tack is in place, what is the tool most commonly used to maintain the gap?
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
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?
From the following options, choose the most popular pressure testing method.
Of the options below, choose the one that best represents a manual actuator for a gate valve in an inaccessible area.
(wf)"This is the term used for the point where the material begins to have permanent deformation." This statement best describes which of the terms below?
(wf)Dimensional defects would include all of the following defects except one. Of the answers below choose the one that is not a dimensional defect.
"In this type of welding, the filler metal is liquid above 425°C, and deposited in the joint by other than capillary attraction." This statement best describes which of the weld methods 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?
To cut a piece of thin wall tubing with a hacksaw, which of the following blades would be best?
What tool is in the picture below?
If the welding apprentices tacked 4 welds in an hour, how many welds would be tacked by 3 apprentices in a 37.5 hour work week? Choose the best answer from the ones provided below.
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
"Joining two metal surfaces by melting an alloy so that it forms a thin layer between the surfaces." This id the best definition of which of the terms below?
"Has a gasket surface in the same plane as the bolting circle face." Is the best description of which fitting?
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?
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?
What tool is pictured below?
As it relates to calculating grade, which of the terms below best describes the letter "B"?
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?
There are some good trade practices when using a hand wrench. Of the practices below, which is not one of them?
Using the picture below, choose the best answer that relates to the item indicated by the "D".
Youare going to dig a well on your land to get water, you have bought a small suction pump that will create a vacuum equal to a column 984 mm Hg. Which answer below best represents the maximum depth that the well can be while using this pump?
Which of the numbered symbols below best represents a butt weld ball valve?
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.
(wf)Of the defects listed below, which one best describes the black lines outside of the weld in the picture shown?
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.
Which of the numbered symbols below best represents a side view socket weld 45° elbow?
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?
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.
Of the selection of units below, which would be best used to describe pressure?
Weld fittings are available in two varieties, one of these is:
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.
There are many parts to a circle. Which of the answers below best relates to "B" in the picture provided?
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.
Using the picture below, choose the best answer that relates to the item indicated by the "C".
"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?
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?
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.
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 type of bar is pictured 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.
In relation to soldering, what does the term "Capillary action" signify?
(wf)Of the defects listed below, which one best describes the picture shown?
(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."
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 "D" in the picture provided?
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.
"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.
"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.
(se)The graph below best represents which type of welding machine output? Choose from the best answer from those provided below.
(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.
What is the name of the cutter pictured below?
Of the list below, choose the answer that has one advantage (first) and one disadvantage (second) of copper tubing over steel or iron pipe.
Files and hacksaws are similar in that they only__________. Use the answers below to complete the sentence.
One of the following is not a disadvantage of a plug valve. Choose from the options below.
There is a mutual attraction that causes unlike molecules them to cling to each another. This property is best describes by which of the following terms?
What temperature separates soft soldering and brazing?
A square groove double weld commonly has a maximum material thickness of ________. Use the best answer below to fill in the blank.
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?
(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
When used in conjunction with a reverse flow check valve , a flashback arrestor is best to be place where on an oxyacetylene setup?
Of the options below, what is the following sentence describing? "This is a mechanism that mechanically joins or affixes two or more objects together."
Copper tube pressure fittings can be used on copper tube DWV piping systems.
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?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
When installing an auxiliary service piping system, what code would you reference for the minimum standards?
Of the answers below, which best reflects the name of the drill pictured?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
(se)While welding, what is the result of lengthening of the welding arc? Choose the best answer from those provided below.
(se)While welding, what is the result of shortening of the welding arc? Choose the best answer from those provided below.
There a specific vocabulary when describing the areas of a fillet weld. Which of these terms is represented by "B" in the picture below? Choose the best answer from those provided.
(wf)After the fillet weld is complete, the inspector says that the weld profile has a bulge to it. Which of the terms below best describes this situation?
Convert ¹¹⁄₁₆ to a percentage. select the best answer from the ones provided below.
In the drawing provided, there is a column at the northwest corner of the entrance. It's location is best represented by which of the following answers below?
(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?
Loss of head for a valve or fitting has an equivalent in a length of the same size pipe. Which valve, a gate or an angle globe (both fully open), would have the highest losses?
What tool is in the picture below?
In relation to soldering, what does the term "Bore" signify?
As it relates to calculating grade, which of the terms below best describes the letter "A"?
When used in conjunction with a flashback arrestor, a reverse flow check valve is best to be place where on an oxyacetylene setup?
Of all the valves below, which would have close to the same flow characteristics as a globe pattern straight valve?
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.