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Plumber: FIRST PERIOD

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

A dielectric union would be placed into lines to prevent which condition?
What type of bar is pictured below?
Calculate the perimeter of a building that has a wall measurement of 12' 6⅜". Choose the best answer from the ones below.
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
There are two accepted methods of protecting metal from electrolysis. Of the list below, choose the one that applies.
What type of wrench 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.
In the picture below there are various dimensions noted. Choose the best answer from the ones provided to show the arc dimension.
What type of copper tube is most commonly used in fabricating a hydronic systems?
(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
(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?
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?
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
(wf)"This type of weld deviance is any defect that cause the weld metal, parent metal, or work piece to be out of specification or tolerance. These issues are mainly caused by improper set up or distortion." This statement best describes which of the following classes of weld defects
"One of the principles of hydrostatics is that a fluid will exert pressure in ________." Choose the best answer below to complete the sentence.
"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.
A threaded fitting you are trying to reclaim has been cross threaded. Which of the items below would be best to attempt to salvage the fitting?
There are many parts to a circle. Which of the answers below best relates to "B" in the picture provided?
"In drill presses and drills, to hold the drill bits and accessories, there are several tooling devices that can be used." These are commonly called which of the below?
A piping system that is being designed to carry a petroleum product at 16 psig and 350F would be covered under which code(s)?
(mse)The weld puddle does not use up the electrode in which of the following weld processes? Choose the best answer from the ones provided.
(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?
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.
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.
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?
When used in conjunction with a flashback arrestor, a reverse flow check valve is best to be place where on an oxyacetylene setup?
"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?
(mse)"This mechanical property is expressed in an elongation percentage. A bend test is used to achieve this percentage." Which of the properties is best described by this statement?
"This alloy is the combination of copper and tin." Which of the metals below is best described by this statement?
This type of soldering uses temperatures below 450C or 840F:
0.578 oz/in² is equal to which of the answers below? Choose the best answer that applies
When you are going to lubricate an air motor, which of the following would be the best time to do it?
Using the terms provided, choose the best one that would be described as a substance being chemically joined in fixed proportions of two or more different types of atoms.
(se)When the current flow meets resistance in a conductor, that energy is turned into what form? Choose the best answer from the ones provided below.
Oxygen should have a purity of 99.5% or higher for oxy-fuel cutting. The cutting speed will be an estimated ¾ of normal and the expenditure in cutting oxygen will increase approximately ¼ of normal for each _______ drop in purity percentage form optimum. Use the answers provided to select the best one to fill in the blank.
A pressure of 379 kPa is showing on your absolute pressure gauge. Your journeyman needs that in converted to psig. Which of the answers below best reflects the number that you will give them?
What tool is in the picture below?
"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?
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.
"The standard filler is normally sufficient for applications up to 900º F. Other soft fillers are available for higher temperatures or special applications. The choice of the metal used for the jacketed part of the fitting would depend upon the corrosive conditions being encountered." This is the best description of which of the following fittings?
To cut a piece of thin wall tubing with a hacksaw, which of the following blades would be best?
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."
There a a number of steps in the proper fabrication of a Bell-end joint. Choose the answer below that reflects that number the best.
Typical hanger spacing for 150 mm stainless steel pipe is 5.5 m. Using that information, how many hangers are needed on a 46 m horizontal run?
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
Compression type fittings for copper tube are generally made from which of the following materials?
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
"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.
(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?
What tool is in the picture 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?
In a carbonizing oxyacetylene flame, the length of the feather indicates which of the conditions below? Choose the best answer from the following.
Which butt weld fitting wall thickness has the smallest number of fitting sizes?
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?
Lines that are not perpendicular nor are parallel to a vertex are called which term? Choose the best one that applies from the options below.
Files and hacksaws are similar in that they only__________. Use the answers below to complete the sentence.
Maintaining all of the required PPE within the manufactures guidelines and in good working order is the responsibility of the________." Choose from the following answers to fill the blank.
Weld fittings are available in two varieties, one of these is:
Every hacksaw blade has a "set". This particular "set" has every tooth bent slightly to the side and in the opposite direction of the one in front of it. Of the answers below, choose the best "set" to match this description.
"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
Your isometric calls for a weld neck, raised face, 900 PSI rating, flange. Is this the correct flange to use?
(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.
Which of the welding processes below would welding goggles be worn?
"_________ 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.
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?
When referring to the center to end measurement of a 90 degree elbow threaded fitting, what is the best term that describes this measurement?
"The destruction of a metal or an alloy because of chemical or electrochemical reaction with its surrounding environment or medium."
Self-Drilling anchors are considered to be this type of anchor. Choose from the following answers.
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:
Which of the numbered symbols below best represents a side view socket weld 90° elbow?
What tool is pictured below?
STD or Sch40 piping is measured by the nominal ______ up to ______ diameter, and by the exact ______ up to ________diameter. Use the choices below to fill in the blanks in order.
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?
(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."
Of all the tools listed below, what is the preferred method for cutting tube under 3/4"?
The isometric below has an abundance of information contained within it. The amount of 3 inch A106-B sch 40 piping that is required for this drawing is best represented by which of the answers below?
A 10 meter piece of brass pipe that has an operating temperature of 85°C and pressure of 34 kPa/m². This line was originally installed At -15°C, what is the total linear expansion in meters for this line? Choose the best answer from the ones supplied below.
(mse)The CSA classification of carbon steel SMAW electrodes is metric. Choose the best answer for what the "E" represents, in the answers below.
In relation to soldering, what does the term "Bore" signify?
(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.
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?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
There are many parts to a circle. Which of the answers below best relates to "F" in the picture provided?
Convert 0.41278 to a fraction. Choose the best answer from below.
As it relates to calculating grade, which of the terms below best describes the letter "C"?
At the end of the month you have received 4 cheques. $1056, $2907, $4567, and $2957 were the totals, how much did you earn this month? Choose the best answers from the ones provided below.
There are several different three sided geometric shapes. Choose the best answer below as it relates to "A" in the picture provided.
"The process of shaping metal and increasing its strength by hammering or pressing." This statement best describes which of the following terms?
Which type of flange is machines with a flat face to help facilitate frequent cleaning or inspection?
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 of the numbered symbols below best represents a side view threaded 45° elbow?
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
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.
(mse)"This type of material property is measured using a Brinell, or a Rockwell test." This statement best describes which of the properties below?
Which of the numbered symbols below best represents a socket weld globe valve?
"This tooth count hacksaw blade is generally recommended for most uses". Which of the following blades fit that description?
What is the name of the reamer pictured below?
Typical hanger spacing for 50 mm cast iron pipe is 3.0 m. Using that information, how many hangers are needed on a 13 m horizontal run?
Which of the numbered symbols below best represents a side view butt weld tee?