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Plumber: FIRST PERIOD

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

(wf)Of the defects listed below, which one best describes the black lines outside of the weld in the picture shown?
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.
The barometer in the shop is reading 853 mm Hg, which of the answers below best reflects this reading in psig?
(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?
All of the below are common disadvantages of using plastic pipe except one. Choose the answer that is not a disadvantage.
The purpose of this step is to provide a prepped surface for the solvent cement by beginning the chemical reaction that softens PVC. Of the options below, choose the best answer.
Which of the numbered symbols below best represents a socket weld globe valve?
(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.
Of the list below, the two most commonly used pressure ratings on fittings are Class 125 and 250.
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.
(se)All electrical conductors resist the flow of current to some degree. Which of the terms below is used to measure this resistance? From the answers below select the one best applies.
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.
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?
The isometric below has an abundance of information contained within it. The amount of 4 inch A106-B sch 40 piping that is required for this drawing is best represented by which of the answers below?
A carbonizing flame would be best suited to which of the following applications?
A cold water piping system does not exceed 3000 psi @ 100 degrees F. What weight of pipe is required with class 3000 forged steel fitting?
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure at an altitude of 3000 feet above sea level?
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?
Of the options below, what is the following sentence describing? "This is a mechanism that mechanically joins or affixes two or more objects together."
(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.
"Easy rotation of the piping to allow for even wearing of the pipe in an abrasive application." This is the best description of which of the plastic pipe joining types below?
"The ability of a body to resist a distorting influence and to return to its original size and shape when that influence or force is removed." This is the best definition of which of the terms below?
Which is the best answer below that describes the following picture?
"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.
Complete the following sentence with the options below. "This Section covers general descriptions, terminology and operation guidelines applicable to steel and cast iron boilers limited to the operating ranges of ASME _______."
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
Of the answers provided, choose the thermoplastic that is used for laboratory DWV, and has similar characteristics to PP.
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.
What type of screwdriver head is pictured below?
When you are going to lubricate an air motor, which of the following would be the best time to do it?
(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?
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."
Using the picture below, choose the best answer that relates to the item indicated by the "D".
There are a certain number of steps to installing soldered tube/pipe. How many steps are required?
"Two heating irons are used in this particular type of fusion welding." This best describes which of the following answers?
Of the list below, choose the answer that has one advantage (first) and one disadvantage (second) of copper tubing over steel or iron pipe.
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.
This filler metal is most commonly used with cobalt alloys, and applications that have an extremely high service temperature." This statement describes which of the filler metals below best?
"This type of cutting machine has a large flywheel driven by an electric motor that does the cutting." Of the answers below choose the one that is best described by this statement.
Which form of corrosion(s) is aided by an increase in temperature? Choose the best answer from the options below.
At the bottom of a column of water, the pressure is 459 psi, how high is this column? Choose the best answer from those provided below
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?
What type of wrench is pictured below?
What type of iron from the selections below contains the highest carbon content?
What type of wrench is pictured below?
"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?
A piping system that is being designed to carry a petroleum product at 16 psig and 350F would be covered under which code(s)?
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.
The tools pictured below represent which type of pliers?
Of the valves below, which has a flow pattern that is non-directional?
"One of the principles of hydrostatics is that a fluids pressure is proportional to ________." Choose the best answer below to complete the sentence.
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
What type of wrench is pictured below?
A 35 meter piece of copper pipe that the first 10 m section has an operating temperature of 105°C and pressure of 34 kPa/m² until a restriction, then the temperature and pressure both drop by 15 for the remainder of the line. The entire line was originally installed at -25°C, what is the total linear expansion in meters for this line? Choose the best answer from the ones supplied below.
From the following answers, choose the one that answers the following statement. "The operating position of a gate valve commonly are ________ and ________."
When dealing with acetylene cylinders, generally you will encounter two types of valves. Which of the sets of valves below would you see?
Of the options listed below, one is not an advantage of ERS over conventional soldering. Choose which one.
The materials that butt weld fittings can be made from include:
Welding torches and cutting torches are similar in most respects. Of the options below, choose the best answer that represents a similarity.
This design of this fastener allows you to secure the object though holes that are drilled in the piece beforehand. Which of the following fasteners is designed in the same manner?
Which of the following codes applies to high temperature water is generated at pressures exceeding 160 psig and/or temperatures exceeding 250 degrees F?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Convert 0.67 to the the nearest practical fraction. Choose the best answer from the ones below
There are several different types of labeling or lettering on a drawing. In the picture below how many different types of labeling and/or lettering is there. Choose the best answer from those provided below.
Using the picture below, choose the best answer that relates to the item indicated by the "C".
"The reaction caused by contact between metals and oxygen molecules." Is the best definition of which of the terms below?
(se)While welding, what is the result of leangthening of the welding arc? Choose the best answer from those provided below.
Which of the numbered symbols below best represents a butt weld globe valve?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
"_________ 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.
This chisel has a cutting edge that is typically 60°,but can be reduced to 40° or increased to 90°. The chisel that best suits this description is which of the below?
"During the creation of this style of groove, the steel of the pipe is cold formed while it is displaced inward." Of the answers below, choose the one best described by this statement.
Which of the states of matter can be defined as having defined mass, but no defined volume or shape? Choose the best answer from the ones provided below.
After the second tack is in place, what is the tool most commonly used to maintain the gap?
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?
"This type of oxy-fuel cutting torch has preheat gases supplied to the cutting tip." Which of the following torch types is best described by this statement?
These types of portable fire extinguishers are very heavy, have a conical nozzle, and are commonly bright red. Choose the best answer from the selection below.
"Grinding on the workpiece resting on this attachment prevents sudden slips in which the wheel grabs the work momentarily and yanks it out of the operator's hand, or pulls the hand toward the wheel." This is the best description of which attachment to a bench grinder? Choose from the answers below.
Every hacksaw blade has a "set". This particular "set" has the teeth in a wavy design running from left to right. . Of the answers below, choose the best "set" to match this description.
A dielectric union would be placed into lines to prevent which condition?
"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?
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.
If you have received 43 widgets out of an order of 378 widgets, what percentage of widgets have been accounted for? Choose the best answer from the ones provided below.
"These drawing tools as commonly used with a T-square to produce vertical and angled lines." Of the tools below, which is best described by this statement?
(se)Welding power sources that are AC transformer type have several advantages to them, which of the answers below is not one of them? Select the best answer from the options provided.
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Of all the tools listed below, what is the preferred method for cutting tube under 3/4"?
"This cutting machine cuts metal with a scissor-like action." Which of the machines below best fits this description?
There are several different three sided geometric shapes. Choose the best answer below as it relates to "C" in the picture provided.
Weld fittings are available in two varieties, one of these is:
What type of bar is pictured below?
To supply a gas test with high pressure, dry gas, which of the following would be best to use?
Of the welded joint configurations, which of the terms below references the black portion that the arrow is pointing at in picture provided?
"Generally concrete screws are fasteners considered _________ and have applications with _______ loads." Choose from the answers below to fill in the blanks.
Soapstone is commonly available in three grades. Which grade would be best served for marking out steel? Choose your answer from the options below.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Which oxy-fuel cutting tip is pictured below. Choose the best answer from those given below.
On every oxygen cylinder there is an overpressurization safety device. Of the answers below, choose the best name for this device.
"This type of cutting machine is perfect for busy shops. When the machine is loaded, and starts to cut the material, it allows the operator to do other tasks while the machine is cutting." This statement best describes which of the following metal cutters