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Plumber: FIRST PERIOD

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

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
Files and hacksaws are similar in that they only__________. Use the answers below to complete the sentence.
If the piping isometric that you are working off of has a ¼":1' reduced scale to it, what is the print length of the workpiece if it measures 12' on the bench? Choose the best answer from those provided below.
Globe valves have a distinct disadvantage when compared to a gate valve. From the answers below select the best one.
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?
A soldered or compression fitting is _______ than a flared fitting.
"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?
What type of bar 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.
"_________ 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.
You are ordering stud bolts to fasten two flanges together. What thread classification would you order of the following classifications?
A common 30/70 soft solder contains what percentage of which elements in it's alloy?
Please add the following fractions ⁴⁄₈, ⁶⁄₁₂, ⁵⁄₈, ⅔. Choose your answer from the ones provided 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?
(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.
Of the answers below, which is the best oxyacetylene term for the condition that occurs when the flame burns back into the tip, followed by a "pop" noise?
Fillet welds have fundamentally ________ different types of welds. Choose the best answer from those below to fill in the blank.
Composition disc type valves are part of which of the following categories?
After cutting a pipe to length with a torch beveller, what is the next step in the weld preparation process?
Which of the answers below best describes the units for relative density?
What tool is in the picture below?
Calculate the volume of 5 kg/m³ of nitrogen that weighs 2694 kgs. Choose the best answer from the ones provided below.
Your crew has just finished setting an enclosed vessel that had a 15 m diameter, a height of 23 m. The insulator foreman has asked you to verify his requirements of insulating the shell of the vessel. Choose the best answer from the ones below that represents the amount of insulation required.
You are part of a crew that is hydrotesting a 40 m, 50 mm, Sch 60 alloy pipe. It is set up horizontally, north to south, on pipestands with a gauge at both ends. According to the principles of hydrostatics, what will the gauges read when the test is up and holding at 45 kPa? choose the best answer from the options below.
"These types of pumps come in a reciprocating and rotary style." This best describes which of the answers below?
These multi-purpose portable fire extinguishers are light, commonly red, and have a short nozzle or a narrow length of hose. Choose from the answers below the one that best applies.
"Generally concrete screws are fasteners considered _________ and have applications with _______ loads." Choose from the answers below to fill in the blanks.
15.5 meters of line is supposed to be graded at 1:13, which of the answers below best satisfies this grade?
"This alloy is the combination of copper and tin." Which of the metals below is best described by this statement?
"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?
A journeyman is paid 27% more than his apprentice. If the journeyman is earning $43.50, what is the apprentice being paid? Choose the best answer from the ones below.
Because of various stresses, fasteners to be used in the piping industry are designed for what type of load?
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?
An acetylene bottle has a specific volumetric capacity. The cylinder should not be emptied more then one _______ of that capacity per hour. Choose the best answer to fill in the blank from the ones below.
Of the choices below, there is one valve that would be best suited to a service that requires regular maintenance.
Gate valves have many advantages. One of the following is not among of them. Choose which one.
Which answer below best describes the following picture of a bender?
T=K x D x P, This formula is used to find the starting tightening torque target number. What does the "K" 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?
Which type of fastener below requires a layout of the holes before fastener is installed?
A support that is floor mounted by welding or by anchors, is commonly called which of the following?
At the end of the work week, your crew installed 45% of 50 mm, Sch 40 pipe The amount required for the job is 4791 m. Which of the answers below best relates to how much pipe is left to be installed?
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.
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?
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?
The classification of ferrous piping includes all of the following except for one. Choose the pipe that is not ferrous.
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.
(se)This term expresses the pressure from an electrical circuit's power source that produces pressure to push a current through a circuit, enabling them to do work. From the terms provided, choose the one that best applies.
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for force?
Of the selection of units below, which would be best used to describe pressure?
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.
The proper procedure for setting up an oxyacetylene outfit takes an number of steps. Of the answers below, choose the one that represents these number of steps.
Which of the layout tools below would be the most accurate in transferring measurements? Choose from the following tools.
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?
When used in conjunction with a flashback arrestor, a reverse flow check valve is best to be place where on an oxyacetylene setup?
Convert 0.67 to the the nearest practical fraction. Choose the best answer from the ones below
If you needed to place new threads on the inside of a fitting, which of these tools would be best?
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 process of shaping metal and increasing its strength by hammering or pressing." This statement best describes which of the following terms?
"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.
There are two basic techniques to pierce a hole in plate steel. Choose the one that best applies from the answers below.
Spiral wound gaskets have 6 identifiers on them, which of the below is not one?
The design of a ball valve is similar to which of the listed valves?
"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?
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 type of pipe fitting., of the list below, is not permitted on natural gas piping systems?
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.
A plug valve is quick to open or quick to close. Another way of describing that profile is which of the following?
Using the picture below, which of the following answer best describes the dimension "E"?
What type of punch is pictured below?
What type of screwdriver head is pictured 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?
The coolest place possible should be the location for which of the following components of a basic pneumatic system?
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
When installing a new valve into an existing piping system you find that the flange bolt holes are threaded UNC. The original line also has tapped bolt holes, but are UNF. The valve installation details requires a nut on the valve flange, the line specification requires a fastener with a nut on both ends. Which of the solutions below would satisfy all of the specifications?
If you had to walk around a house and it took you 4 minutes to walk one side and 6 minutes to walk the adjacent side, how long would it take to finish the entire walk? Choose the best answers from those below
Which type of flange is machines with a flat face to help facilitate frequent cleaning or inspection?
These manufacturer installed items must be removed before the piping is put into operation, but not before the Variable Spring Hanger is installed and fully loaded. Of the selections below, which items best fits this description?
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.
"A measure of a material's ability to undergo significant plastic deformation before rupture." This statement is the best description of which of the following terms?
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
What type of copper tube is most commonly used in fabricating a hydronic systems?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
What is the name of the cutter pictured below?
Which of the following torque procedures is the least accurate in regards to getting to proper tension on a studbolt?
There are many parts to a circle. Which of the answers below best relates to "F" in the picture provided?
"Has a gasket surface in the same plane as the bolting circle face." Is the best description of which fitting?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
Straight pattern, Y pattern and angle pattern are all design variations of which style of valve?
There is a mutual attraction that causes like molecules them to cling to each another. This property is best describes by which of the following terms?
The chemical symbol C₂H₂ best represents which of the following compunds?
Of the gases below, choose the one that has the highest flame temperature in its neutral state.
(mse)There are a number of components to a simple SMAW weld. In the picture below, #2 is best represented by which answer below?
There are several different three sided geometric shapes. Choose the best answer below as it relates to "D" in the picture provided.
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
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 "D" in the picture provided?
Non ferrous piping has three distinguishing characteristics. Contains no iron, and not susceptible to oxidization are two. Of the following list , pick the third.
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
What is the name of the grinder pictured below?