A randomized 100 question test from a pool of 991 questions, good luck!
(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?
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?
Which is the best answer below that describes the following picture?
(mse)The CSA classification of carbon steel SMAW electrodes is metric. Choose the best answer for what the "70" represents, in the answers below.
Of the selection of units below, which would be best used to describe pressure?
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.
"Used to keep a piping line level, or to assure that the proper amount of grade is uniform where needed." This is the best description of which of the following items.
The recommended PVC grooved joint operating maximum temperature is which of the below?
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.
Socket weld fittings are commonly used on joints that are what size?
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?
Electrical shock accounts for a large number of workplace injuries. Which of the following would not increase the possibility of electrical shock? Choose the best answer from those provided below.
"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?
(ofe)When used in conjunction with a flashback arrestor, a reverse flow check valve is best to be place where on an oxyacetylene setup?
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?
(se)What is the name of the welding accessory pictured below? Use the answers provided to choose the best one.
The references in red along the west side of the drawing are best represented by which of the terms 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.
(wf)Weld faults can happen even before the welding has occurred. Which of the answers below best describes the number of common types of pre-weld dimensional defects?
Using the picture below, which of the letters best illustrates a ring joint flange?
T=K x D x P, This formula is used to find the starting tightening torque target number. What does the "D" represent in this formula?
"In the center of a flange there is a tall hub with a bevelled end suitable for welding." This is a description of which type of flange?
You have just installed a small vessel on site, the height is 29' and the base has a 9' diameter. What is the force exerted on the pad that it sits on when completely full of water? choose the best answer from those provided below.
(se)If you wanted a wider bead accompanied with less penetration, which of the following techniques would be best suited for the task? Choose the best answer from the ones provided below.
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
(wf)Of the defects listed below, which one best describes the picture shown?
(wf)Welding has several broad classes of defects that can occur in any weld. Choose the best answer from the options provided below, to show how many classes there are.
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.
(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 1:46 mm?
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
Of the valves below, which has a flow pattern that is non-directional?
(ofc)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.
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 floor of the container. Of the following answers, which gas would he be testing for?
There a specific vocabulary when describing the areas of a fillet weld. Which of these terms is represented by "A" in the picture below? Choose the best answer from those provided.
Socket weld fittings are generally used to join piping that is 50mm(2") or less?
All of the below are common disadvantages of using plastic pipe except one. Choose the answer that is not a disadvantage.
The common elements that all fluxes have are listed except for one. Select the one that does not apply.
(ofc)There are many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "C".
After cutting a pipe to length with a torch beveller, what is the next step in the weld preparation process?
In every piping system, a specific fitting should be installed for control of flow and pressure. Of the choices below, which fitting(s) would best apply?
The materials that butt weld fittings can be made from include:
(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 the picture below there are various dimensions noted. Choose the answer from the ones provided that best describes the orientation of the numerical dimensions.
Of the welded joint configurations, which of the terms below references the black portion that the arrow is pointing at in picture provided?
"A process in which a liquid metal is somehow delivered into a mold." This statement is the best description of which term below?
Of the selection below choose which measurement this sentence best describes. "Not widely used for gas pressures, This measurement is mostly used in materials science, where the tensile strength of a material is measured as a large number of psi."
When buying a ______ solder, the ______ content is always listed first. Fill in the blanks from the options 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 "A" in the picture provided?
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.
(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.
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.
"The temperature of a metal, below which the substance is entirely solid." The best term to fit this description from the group below is?
Convert ⁷⁄₁₅ to a decimal. Choose the best answer from the ones below
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?
RTJ gaskets come in two styles. These are which of the following?
When beginning a soldering or brazing project, which one of the following is one of the deciding factors for proper solder selection?
Of the many views that a drawing may have, an isometric drawing will show only three views or faces. Which of the following answers is not one of them?
"Generally concrete screws are fasteners considered _________ and have applications with _______ loads." Choose from the answers below to fill in the blanks.
(bs)"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?
Using the picture below, choose the best answer that relates to the item indicated by the "D".
The 3 classes of fittings for a forged steel piping system come in 3 classes. Of the list below, select the 3 that apply.
You have to hire employees to work 40 hours a week to finish the job. If the job is projected for 3178 hours, how many employees will have to be hired? Choose the best answer from those provided below.
Lift, swing, and non slam are all variations of which type of valve?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
Class 6050 is a classification of which fitting type?
(wf)Of the answers below, which type of defect occurs when the electrode is not drawn away from the puddle slowly enough?
"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?
Ambient conditions and temperature of the contents of thermoplastic pipe are directly related to which of the answers below?
"It is a method of drawing which you can represent your shapes into three- dimensional view. An angle of 30 degree is taken in all its sides in order to give a 3d look." This statement best describes which of the following drawing methods?
(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.
Of the valves below, which has a non-directional flow pattern?
Type "DWV" copper tubing has what colour identification strip?
(se)Which of the basic types of electrode holders is pictured below? Choose from the answers provided.
"The reaction caused by contact between metals and oxygen molecules." Is the best definition of which of the terms below?
T=K x D x P, This formula is used to find the starting tightening torque target number. What does the "P" represent in this formula?
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?
"A pressure regulator's primary function is to match the flow of gas through the regulator, while maintaining a consistent output pressure, to the demand for gas placed upon it." Why is this item required for most pneumatic tools?
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.
What type of punch is pictured below?
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.
After initial tensioning, a set of studbolts may have to be re-tensioned after start up. Which of the following terms would best explain the cause of this situation?
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 comparing STD, XS and XXS wall thicknesses on typical piping, STD piping has:
"This cutting machine cuts metal with a scissor-like action." Which of the machines below best fits this description?
(se)"The deflection of an electric arc from its normal path because of magnetic forces, usually after the current has been moving in the same path of travel for an extended period." This statement best describes which of the following answers?
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers 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?
(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.
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.
As it happens sometimes, while you were on break, your fire extinguisher grew legs and walked away. You head to the tool crib to get another, as you are doing your inspection you notice it is a CFC type. Is there anything that must be done with this extinguisher?
(v) Some valves can be used for throttling services. Which of the valves below would have a tendency to have cavitation as a result of throttling a process?
(se)While welding, what is the result of shortening of the welding arc? Choose the best answer from those provided below.
(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.
The height of a free standing or rolling scaffold is restricted to no more than 3 times the smallest base dimension. This guideline comes from which of the acts below?
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
A common 30/70 soft solder contains what percentage of which elements in it's alloy?
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.
Using the terms provided, choose the best one that would be described as a substance that cannot be be chemically reduced into simpler components.