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Plumber: FIRST PERIOD

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

Pipe size is specified with two non-dimensional numbers: ________ diameter based on inches, and _______ for wall thickness. Of the options below, fill in the blanks.
(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.
"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?
"One of the principles of hydrostatics is that a containers shape that is holding a fluid will ________." Choose the best answer below to complete the sentence.
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.
A carbonizing flame would be best suited to which of the following applications?
(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.
The code that covers the piping standards to be used for cryogenic fluids would be which of the following?
A fuel gas piping system does not exceed 2795 psi @ 100 degrees F. What class of forged steel fitting in conjunction with XS piping should be used
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 type of copper tube is most commonly used in fabricating a hydronic systems?
Of the answers below, which is the best oxyacetylene term for the explosive condition that occurs upstream the mixer and can include all of the components in the outfit including the regulator.
When comparing STD, XS and XXS wall thicknesses on typical piping, STD piping has:
What tool is in the picture below?
(mse)There are a number of components to a simple SMAW weld. In the picture below, #2 is best represented by which answer below?
Most fuels, when exposed to air, water, or heat under normal condition will not chemically react. These fuels are classed as which of the below?
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.
"This style of check valves doesn't rely on flow reversal or gravity to close. Instead, the valve is closed by a spring." Of the valves below, this is the best description of which?
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.
What tool is in the picture below?
After the second tack is in place, what is the tool most commonly used to maintain the gap?
A boiler that creates superheated water at 175 psig and 275F is covered under which code(s)?
"This layout tool has one chamfered edge usually. The dual purpose tool can check the material surface to assure flatness, and mark a straight line on a surface." This statement best describes which of the following tools?
(wf)Of the defects listed below, which one best describes the picture shown?
Some wheels become loaded with debris, or glazing becomes an issue. Of the answers below, choose the best method to solve these problems.
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?
There are several different three sided geometric shapes. Choose the best answer below as it relates to "C" in the picture provided.
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."
Of the options listed below, one is not an advantage of ERS over conventional soldering. Choose which one.
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.
What is one of the three main differences between DWV and pressure application fittings?
Complete this equation. 15⁷⁄₈ - 4 ⅙ = X. Choose from the selection of answers below.
What type of screwdriver head is pictured below?
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.
A support that is floor mounted by welding or by anchors, is commonly called which of the following?
In air there are numerous gases in varying proportions, which of the answers below best represents those proportions?
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.
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
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 that is 5.3%-14% in air.
When using your oxyacetylene torch, if your gas speed is higher that the speed of flame propagation, what will the outcome be?
Which of the numbered symbols below best represents a side view socket weld tee?
The references in red along the north side of the drawing are best represented by which of the terms 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?
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
Of the options below, which one relies on the memory of the plastic tube to contract to its original size after the fitting is inserted?
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.
When selecting a flux, what is the most important consideration to be made?
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.
Which is the best answer below that describes the following picture?
There is a set number of steps in the procedure for creating proper joints with thermoplastic piping. Of the answers below, select the one that is closest to that number.
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
A small percentage of fuels, when exposed to air, water, or heat under normal condition will chemically react. These fuels are classed as which of the below?
(wf)While welding, water and other liquids get caught up in the weld. These produces voids of gas when the weld cools. Which of the terms below best describes these voids?
Which of the following supports has a hardened steel cup set screw?
After cutting a pipe to length with a torch beveller, what is the next step in the weld preparation process?
What type of wrench is pictured below?
The ________ is produced when slightly greater volume of oxygen is mixed with a smaller volume of acetylene. Choose from the answers below to fill in the blank.
Of the answers below, which best reflects the name of the drill pictured?
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.
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 chemical symbol C₂H₂ best represents which of the following compunds?
From this description, choose the correct pipe support. "A piece of pipe, to support a line, that is mitered and welded to the back of an elbow."
When using a long tape, one extra consideration must be taken into account over a short tape. Of the answers below, choose the one that best applies.
(mse)"Loads that change in either size, position or direction, are considered to be________ loads." This statement best describes which of the terms provided?
Using the picture below, which of the letters best illustrates a raised face flange?
Calculate the mass of 6.25 ft³ of gold that weighs 3579 lb/ft³. Choose the best answer from the ones provided below.
The air has a density of _________ at STP, based on 101 kPa and 0°C. Use the best answer below to fill in the blank.
Wood screws have an unthreaded portion just under the screw head on the shank. Using the options below, what is this portion called?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
Convert 0.41278 to a fraction. Choose the best answer from below.
There are some good trade practices when using a hammer. Of the practices below, which is not one of them?
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
Fire suppression applications use CPVC piping. For this application what colour must this piping be? Choose the best answer from the options below.
The Variation in a gate valve's design is in the disc. How many types of disc variations are there for a gate valve?
Gate valves have many advantages. One of the following is not among of them. Choose which one.
Your isometric calls for a weld neck, raised face, 900 PSI rating, flange. Is this the correct flange to use?
When beginning a soldering or brazing project, which one of the following is one of the deciding factors for proper solder selection?
(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."
Socket weld fittings are generally used to join piping that is 50mm(2") or less?
What tool is in the picture below?
In oxy-fuel welding, the two terms "forehand" and "backhand" reference the ________ of the torch, or heat source, to the puddle of the weld. Choose the best answer to fill in the blank from the options below.
A common 30/70 soft solder contains what percentage of which elements in it's alloy?
Contamination of welds is a very serious issue especially where alloys are involved. To avoid contamination from brushing out material from portions of a weld, what precaution should be taken? Choose the best answer from the choices below.
There are two accepted methods of protecting metal from electrolysis. Of the list below, choose the one that applies.
Looking at the body of a check valve you see a hinge pin on the body. Of the following valves what is the valve you are looking at?
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.
There are a number of lines on the edge of any rule. Which of the terms below best corresponds to these lines?
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.
Calculate the volume of 2.3 lb/ft³ of aluminium that weighs 1479 lbs. Choose the best answer from the ones provided below.
The vents of a hydrotest are not in the open position on all of the high points while filling the system. Which of the following is the likely result of this situation when trying to test the system
When heated, metal forms a scale on it's surface. This scale is called what?
What type of bar is pictured below?
All of the following statements regarding an oxygen cylinders are true, except one. Choose the answer that does not belong.
What tool is in the picture 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.
The code that covers all piping that transport fluids is which of the following?
Copper tube pressure fittings can be used on copper tube DWV piping systems.
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
Of the valves below, which has a flow pattern that is non-directional?
At the bottom of a column of Hg, the pressure is 5.82 psi, how many inches of water column is required to exert this same pressure? Choose the best answer from those provided below