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Plumber: FIRST PERIOD

A randomized 100 question test from a pool of 898 questions, good luck!

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.
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?
(se)While welding, what is the result of lengthening of the welding arc? Choose the best answer from those provided 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
After installing an instrument air piping system, you are asked to prove to the client there are no leaks. The piping specs require that no moisture be left in the system after testing. Which of the following options would be the best for this request?
Of the answers below, which best reflects the name of the drill pictured?
What type of wrench is pictured below?
Choose the best answer below that is the density of air, in imperial measurement, at STP.
(se)"This term is describing a welding machine that has a steep volt-amp curve. It is well suited for SMAW and GTAW welding." This statement best describes which of the following answers?
"This operation of this type of chuck is with an external collar that you hand turn." This statement best describes which of the chucks below?
(wf)Of the defects listed below, which one best describes the one that the black arrow is pointing to in the picture shown?
The _________ has an excess of acetylene, the inner cone has a feathery edge, called the acetylene feather, extending beyond it. Choose from the answers below to fill in the blank.
The major difference between machined screws and both wood screws and sheet metal screws is which of the following?
"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?
The material that is blown away by the oxygen stream while oxy-fuel cutting is called which of the following terms? Choose the best answer from the selection below.
What is one of the three main differences between DWV and pressure application fittings?
Compression type fittings for copper tube are generally made from which of the following materials?
(se)The distance from the molten pool of the weld to the end of the electrodes core wire is called the arc length. A distance that is ________ of the diameter of the electrodes core wire is considered normal. Choose from the following options the best answer to fill the blank.
(se)Which of the basic types of electrode holders is pictured below? Choose from the answers provided.
(mse)There are a number of components to a simple SMAW weld. In the picture below, #5 is best represented by which answer below?
There are many parts to a circle. Which of the answers below best relates to "A" in the picture provided?
There are several different three sided geometric shapes. Choose the best answer below as it relates to "B" in the picture provided.
(wf)Of the defects listed below, which one best describes the picture shown?
The volume of all solids and liquids changes as the temperature of the substance rises and falls. Choose the best answer that represents the change in volume when water transforms to ice.
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.
In the picture below there are various dimensions noted. From the information in the provided picture, select the best answer to describe the method of dimensioning.
"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?
There are many parts to a circle. Which of the answers below best relates to "H" in the picture provided?
(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."
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?
Using the picture below, which of the letters best illustrates a raised face flange?
"Heat number" is a designation that can be replaced by which term?
"The steps in preparing this type of fusion weld and a steel weld are very similar." Which of the answers below best fits this description?
Pressure vessels such as pipelines, plumbing, gas cylinders, boilers and fuel tanks can be tested for strength and leaks. From the list below choose the correct testing procedure.
(se)Why are work lead clamps integral to the welding process? Choose the best answer from the ones below.
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.
Fire suppression applications use CPVC piping. For this application what colour must this piping be? Choose the best answer from the options below.
(wf)"This term deals with the increase in stress in an area of a weld near a crack, depression, or a sharp angle. Although the calculated stressing may be quite safe, it can be enough to cause failure of the weld." This statement best describes which of the terms below?
Which of the numbered symbols below best represents a socket weld gate valve?
(wf)The best term to describe the portion of the weld between the two black line would be which of the below?
Calculate the relative density of a compound at 10456 kg/m³ with water at 1000 kg/m³. Select the best answer from the ones provided below.
Convert ¹¹⁄₁₆ to a percentage. select the best answer from the ones provided below.
What type of punch is pictured below?
Class 6000 fittings are commonly made from which material?
(se)When sizing welding cables, which of the cables below would be the smallest?
What application is better suited for a double flared fitting?
Which is the best answer below that describes the following picture?
(wf)"This term refers to the physical property of a material to resist plastic deformation, penetration or indentation." Which of the following terms is best described by this statement?
When "WPB" is stamped on a butt weld fitting, that designates which of the below?
The code that covers external piping for boilers that create steam or vapour at 15 psig or more, and water at a pressures in excess of 160 psig and/or a temperature in excess of 250F is which of the following?
Which of the behaviors below best describes a rise or fall of the liquid surface, if a thin tube that is open at the both ends is inserted vertically in to a liquid, relative to the adjacent level of the fluid.
(se)What type of welding circuit is pictured below? Choose the best answer from those provided.
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.
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.
There a specific vocabulary when describing the areas of a fillet weld. Which of these terms is represented by "J" in the picture below? Choose the best answer from those provided.
The orientation of a horizontal line is commonly referred to as _______ to the horizon. Choose the best answer from the ones provided below to fill in the blank.
Downstream of the aftercooler, but upstream of the reciever, should be the location for which of the following components of a basic pneumatic system?
The fraction ⁵⁸⁄₇ is equal to which of the answers provided below?
On every oxygen cylinder there is an overpressurization safety device. Of the answers below, choose the best name for this device.
(se)"This term is describing a welding machine that has a flat, or close to it, volt-amp curve. It is well suited for GMAW and SAW welding." This statement best describes which of the following answers?
There are 4 principal parts to the head of a hammer. Of these 4 parts, there are only two that are opposite of each other, what are they called? Of the answers below, choose the one that best applies.
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?
(wf)"Foreign materials trapped in the weld metal at continuous or randomly spaced intervals." This statement best describes which of the defects below?
Which butt weld fitting wall thickness has the smallest number of fitting sizes?
(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.
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.
Of the choices below, there is one valve that would be best suited to a service that requires regular maintenance.
What are the two common wall thicknesses for copper tubing?
There are many parts to a circle. Which of the answers below best relates to "D" in the picture provided?
In the picture below there are various dimensions noted. Choose the best answer from the ones provided to show the tolerance dimension.
A water holding tank has a base of 25.67 m² and a height of 10 m, what is the force acting on the base of the tank? Choose the best answer from those provided below.
What is the name of the cutter pictured below?
(se)If you wanted a narrower bead, that has deeper penetration, which of the following techniques would be best suited for the task? Choose the best answer from the options below.
You are asked to draw an unbroken horizontal line. Which of the drawing tools below would be the best choice for this task?
Welding torches and cutting torches are similar in most respects. Of the options below, choose the best answer that represents a similarity.
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.
Of the valves below, which has a flow pattern that is non-directional?
(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?
What type of wrench is pictured below?
What type of screwdriver head is pictured 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?
Of the options below, which one requires both ends of the plastic pipe to be perfectly square?
A safety relief valves has a specific relationship with the part in the system that has lowest maximum pressure setting. Of the answers below, choose the one that best reflects this relationship.
"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.
Which type of flange is machines with a flat face to help facilitate frequent cleaning or inspection?
The code that covers the piping standards to be used for cryogenic fluids would be which of the following?
Which of the valves below best fits the description of this statement? "This type of valve has two ports to it. One inlet and one outlet, and relies on pressure on the inlet side to work properly."
Which of the following disc designs is the most widely use variation for the gate valve?
Typically on a hydrostatic test, the _______ of the fill hose is greater than the high pressure hose. Choose from the following answers to fill in the blank.
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?
Of the answers below choose the best answer that reflects style of press that has the highest capacity.
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?
(wf)Of the answers below, which type of defect occurs when the electrode is not drawn away from the puddle slowly enough?
Which of the filler metals would be most commonly used when brazing copper or copper alloys? Choose the best answer from the following filler metals.
An Instrument air piping system does not exceed 1673 psi @ 100 degrees F. What class of forged steel fitting in conjunction with Sch 80 piping should be used
(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 thermal cutting blades.
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?
Looking at the following terms, choose the best answer that is not associated with a characteristic of a gas.
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
"Has a gasket surface in the same plane as the bolting circle face." Is the best description of which fitting?