A randomized 100 question test from a pool of 898 questions, good luck!
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 2.3%-9.5% in air.
"Before heating, the plastic pipe and fittings can be assembled." This statement best describes which of the following?
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.
Acetylene gas reacts explosively with some metals, so only certain metals may be used in piping the gas or repairing hose. Of the answers below, one is not an approved metal to be used in transporting acetylene gas. Choose the one that best applies.
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.
Which of the states of matter can be defined as having a defined mass, and volume, but no defined shape? Choose the best answer from the ones provided below.
Typical hanger spacing for 19 mm copper pipe is 2.4 m. Using that information, how many hangers are needed on a 8 m horizontal run?
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 "G" in the picture provided?
The alignment of holes in two or more pieces of plate at the same time can be a challenge. Which of the tool below would be best in this situation?
The chemical symbol C₂H₂ best represents which of the following compunds?
When selecting a fastener, there are many criteria that are needed to be taken into consideration. What specification of the list below is needed to be known to allow proper movement or anchorage in the fastener?
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 picture provided?
Convert ⁷⁄₁₅ to a decimal. Choose the best answer from the ones below
"One of the principles of hydrostatics is that the ________ of a fluid has no effect on pressure." Choose the best answer below to complete the sentence.
(se)Welding power sources that are AC-DC rectifier type have several advantages to them, which of the answers below is not one of them? Select the best answer from the options provided.
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.
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the roof of the container. Of the following answers, which gas would he be testing for?
What is the SI measurement for air pressure? Choose the best answer from the options below.
What tool is in the picture below?
Using the picture below, which of the letters best illustrates a flat faced flange?
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?
(se)This term expresses the pressure from an electrical circuit's power source that produces pressure to push a current through a circuit, enabling them to do work. From the terms provided, choose the one that best applies.
Of the answers below choose the best answer that reflects style of press that has the highest capacity.
(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?
Which of the numbered symbols below best represents a threaded globe valve?
What tool is in the picture below?
Of the gases below, choose the best one that supports combustion, but is non-flammable on it own.
What tool is in the picture below?
"The process of shaping metal and increasing its strength by hammering or pressing." This statement best describes which of the following terms?
"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?
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 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.
Of the safety concerns with soldering listed below, which would occur the least?
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)"Metal deposition rate is the weight of material deposited by arc welding in a unit of time. For this rate to increase, which of the options below would be best suited?
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?
(mse)There are a number of components to a simple SMAW weld. In the picture below, #2 is best represented by which answer below?
Which oxy-fuel cutting tip is pictured below. Choose the best answer from those given below.
There is a molecular attraction that causes like molecules to form a meniscus on the surface of a liquid. This property is best describes by which of the following terms?
"The term for the dimensioning instrument that is used for notation and commonly at a 45° angled straight line." Which of the terms below best represents this statement?
"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
For horizontal soldered joints, it is a good practice to apply the solder at which location?
(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.
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.
Using the picture below, which of the following answer best describes the dimension "D"?
"Of all the plastic compression joining methods, this one will not create a flow restriction within the line." This is the best description for which of the following?
Which type of flange is machines with a flat face to help facilitate frequent cleaning or inspection?
What formula would be correct when attempting to calculate the fitting allowance of a threaded 90 degree elbow?
(wf)Of the defects listed below, which one best describes the picture shown?
(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)Of the defects listed below, which one best describes lines pointed to by the black arrows in the picture shown?
(se)Which answer best describes the device that can increase the frequency of an AC current, or change DC to AC? Choose your answer from the ones provided below
T=K x D x P, This formula is used to find the starting tightening torque target number. What does the "T" represent in this formula?
In the groove and shoulder system, if you use a roll groove, what is the disadvantage of this type of groove? Choose the best answer of the options below.
"Two heating irons are used in this particular type of fusion welding." This best describes which of the following answers?
Which type of fastener below requires a layout of the holes before fastener is installed?
From the following answers, choose the one that answers the following statement. "The operating position of a gate valve commonly are ________ and ________."
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.
All of the below are common disadvantages of using plastic pipe except one. Choose the answer that is not a disadvantage.
The type of oxy-fuel cutting torch that has a cutting tip which is supplied with mixed pre-heat gases are typically called which of the names below? Choose the best answer from the ones provided below.
The 3 classes of fittings for a forged steel piping system come in 3 classes. Of the list below, select the 3 that apply.
Composition disc type valves are part of which of the following categories?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
While setting up for a hydrostatic test, it is noted that the maximum output on the pump to be used is 1000 psia. The test hose that is to be used has a pressure rating of 6950 kPaa. From the answers below choose the best course of action.
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.
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?
There are two accepted methods of protecting metal from electrolysis. Of the list below, choose the one that applies.
"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?
(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.
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
What type of wrench is pictured below?
Puller, Nut adjuster, Hydraulic load coil and Support bridge are all parts of which of the following tools?
Looking at the answers below, which one is not a cause of flashback while using an oxyacetelyne cutting torch? Choose the best answer that applies.
(wf)Of the defects listed below, which one best describes the black lines outside of the weld in the picture shown?
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.
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
This type of layout tool consists of two parts, a "Beam" and a "Blade". Which of the following tools best fits this description?
There are three elements that are required to start a fire, this is called the "Fire triangle". Fuel and heat of ignition form two sides of this triangle. Of the answers below, choose the one that best fits on the third side.
(se)Which of the basic types of electrode holders is pictured below? Choose from the answers provided.
Of the options below, which one requires both ends of the plastic pipe to be perfectly square?
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.
"This term denotes a type of steel that, to enhance mechanical properties has undergone alloying using different elements." which of the following terms is best described by this 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.
(se)All welding machines have a duty cycle. A machine with a duty cycle of 72% with an amperage of 425, would run continuously at what amp maximum? Choose the best answer from the selection below.
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
When using your oxyacetylene torch, if your gas speed is higher that the speed of flame propagation, what will the outcome be?
Of the options listed below, one is not an advantage of ERS over conventional soldering. Choose which one.
"When two or more substances are combined and each retain their own chemical identity." Choose the term below that best reflects this statement.
There are two basic techniques to pierce a hole in plate steel. Choose the one that best applies from the answers below.
(se)If a welding machine is left on, but no work is being done with it, what type of voltage is at the output terminals? Choose the best answer from those provided below.
Blueprints are assebled into groups for ease of accessing the information quickly. In the commercial or industrial ares of work, there are commonly ________ divisions of these blueprints. Choose from the answers below to best fill in the blank.
"The destruction of a metal or an alloy because of chemical or electrochemical reaction with its surrounding environment or medium."
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?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
(wf)Of the defects listed below, which one best describes the one that the black arrow is pointing to in the picture shown?
"Generally concrete screws are fasteners considered _________ and have applications with _______ loads." Choose from the answers below to fill in the blanks.
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.
If you had to walk around a house and it took you 4 minutes to walk one side and 6 minutes to walk the adjacent side, how long would it take to finish the entire walk? Choose the best answers from those below
(se)Which of the terms below is used when a sine wave completes a 360° rotation?
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?