A randomized 100 question test from a pool of 898 questions, good luck!
(se)All welding machines have a duty cycle. A machine with a duty cycle of 72% with an amperage of 425, would run continuously at what amp maximum? Choose the best answer from the selection 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?
What tool is pictured below?
Acetylene gas reacts explosively with some metals, so only certain metals may be used in piping the gas or repairing hose. Of the answers below, one is not an approved metal to be used in transporting acetylene gas. Choose the one that best applies.
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the floor of the container. Of the following answers, which gas would he be testing for?
(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.
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?
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.
What tool is in the picture below?
The references in red along the west side of the drawing are best represented by which of the terms below?
On the QC paperwork for the hydrotest that you have up and holding requires absolute pressures. The gauges are holding steady at 35 psi. Which of the answers below best represents the pressure that the QC requires?
Which type of pipe fitting., of the list below, is not permitted on natural gas piping systems?
(se)All electrode holders have a rating. Choose from the answers below and select the one that best describes this rating.
There are several different three sided geometric shapes. Choose the best answer below as it relates to "D" in the picture provided.
If you were trying to depict the inside workings of an item, you which of the following orthographic views would be best for the task?
What is one of the three main differences between DWV and pressure application fittings?
(se)While welding, what is the result of leangthening of the welding arc? Choose the best answer from those provided below.
What type of wrench is pictured below?
There is a mutual attraction that causes unlike molecules them to cling to each another. This property is best describes by which of the following terms?
On every oxygen cylinder there is an overpressurization safety device. Of the answers below, choose the best name for this device.
Non ferrous piping has three distinguishing characteristics. Contains no iron, and not susceptible to oxidization are two. Of the following list , pick the third.
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.
Which of the answers below best represents the pressure exerted by a column of water 1' in height and a base of 1 in²?
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?
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.
(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?
When used in conjunction with a flashback arrestor, a reverse flow check valve is best to be place where on an oxyacetylene setup?
A soldered or compression fitting is _______ than a flared fitting.
"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.
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
In relation to soldering, what does the term "Bore" signify?
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.
The lowest temperature a metal is completely molten is called which of the soldering terms below?
(mse)"Operational characteristics of an electrode can be controlled in several ways. One of those ways is by the different composition of the flux coating." Choose from the answers below the coating that does not apply to this statement.
The pressure exerted by a column of Hg 9" high would be which of the following answers? Choose the best answer that applies from the ones below
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?
Downstream of the second stage of the compressor, but upstream of the moisture separator, should be the location for which of the following components of a basic pneumatic system?
(wf)"This is the term used for the point where the material begins to have permanent deformation." This statement best describes which of the terms below?
Of the answers below, which is the best oxyacetylene term for the condition that occurs when the tip produces a shrieking noise, sparks and dark smoke.
If you are bypassing or modifying a ground connection, you are creating what kind of hazard?
Choose the best answer below that is the density of water in imperial measurement.
If the piping isometric that you are working off of has a 1:20 metric reduced scale to it, what is the actual length of the workpiece of you measure 45mm on the print? Choose the best answer from those provided below.
Copper tube pressure fittings can be used on copper tube DWV piping systems.
After the second tack is in place, what is the tool most commonly used to maintain the gap?
Which of the welding processes below would welding goggles be worn?
Using the picture below, which of the following answer best describes the dimension "A"?
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?
The tools pictured below represent which type of pliers?
There are several steps to consider when soldering on a valve. Of the list choose the one that dose not apply
Of the answers below, choose the layout tool that would most likely consist of a "Bevel protractor" and a steel rule
"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?
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 of 2.3%-9.5% in air.
You are ordering stud bolts to fasten two flanges together. What thread classification would you order of the following classifications?
Of the welded joint configurations, which of the terms below references the black portion that the arrow is pointing at in picture provided?
There are many parts to a circle. Which of the answers below best relates to "B" in the picture provided?
(se)When sizing welding cables, which of the cables below would be the largest?
"A mixture of substances (in fixed proportions) that melts and solidifies at a single temperature that is lower than the melting points of the separate constituents or of any other mixture of them." Is the best description of which of the soldering terms 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?
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 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.
There are many parts to a circle. Which of the answers below best relates to "I" in the picture provided?
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
"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.
(se)If you wanted a wider bead accompanied with less penetration, which of the following techniques would be best suited for the task? Choose the best answer from the ones provided below.
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.
Your journeyman is fitting up a joint and asks you to check to see if the pipe is "plumb". Which way would you hold the level to get that information? From the following options, choose the best answer.
Water distribution systems made from PE piping have a maximum operating temperature. What is that temperature? Choose from the options below.
"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.
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.
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."
(mse)The slag from the welding process has several important functions. Of the answers below choose the best one that does not apply.
The height of a free standing or rolling scaffold is restricted to no more than 3 times the smallest base dimension. This guideline comes from which of the acts below?
Use the following answers to fill in the blank. "The _________ should be reviewed to be assured that the proper studbolts and nuts are being used."
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?
Of the answers below choose the best answer that reflects style of press that has the highest capacity.
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.
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
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.
Twist drill sizes are designated by four methods. Which of the following answers is not one of them.
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
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.
All of the below are common disadvantages of using plastic pipe except one. Choose the answer that is not a disadvantage.
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?
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.
"One of the principles of hydrostatics is that a fluids pressure is proportional to ________." Choose the best answer below to complete the sentence.
"Has a gasket surface in the same plane as the bolting circle face." Is the best description of which fitting?
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
Which of the measurements below is the metric standard for the breaking strength of bolts?
Upstream of the aftercooler and downstream of the air intake should be the location for which of the following components of a basic pneumatic system?
Of the material types below, which one only is available in class 150 and 300 fittings?
"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?
Your journeyman asks you to fill out the following print with measurements. What method of dimensioning are they having you do? Choose from the best answer from the ones provided below.
Which of the following codes applies to high temperature water is generated at pressures exceeding 160 psig and/or temperatures exceeding 250 degrees F?
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.
Your isometric calls for a weld neck, raised face, 900 PSI rating, flange. Is this the correct flange to use?
(se)While welding, what is the result of shortening of the welding arc? Choose the best answer from those provided 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.
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?
(se)"The deflection of an electric arc from its normal path because of magnetic forces, usually after the current has been moving in the same path of travel for an extended period." This statement best describes which of the following answers?