A randomized 100 question test from a pool of 898 questions, good luck!
For material that is ⅜" to 1" thick, the most common type of joint preparation would be which of the following. Choose the best answer that applies
When used in conjunction with a reverse flow check valve , a flashback arrestor is best to be place where on an oxyacetylene setup?
The common elements that all fluxes have are listed except for one. Select the one that does not apply.
If a hose connection were to break during the pressuring of a hydrostatic test, which of the following pieces of equipment would prevent it from lashing around?
Twist drill sizes are designated by four methods. Which of the following answers is not one of them.
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
To cut a piece of copper tube with a hacksaw, which of the following blades would be best?
Straight pattern, Y pattern and angle pattern are all design variations of which style of valve?
When beginning a soldering or brazing project, which one of the following is one of the deciding factors for proper solder selection?
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?
Regulators commonly have three working parts to them. Which of the parts does the the adjusting screw attach to? Choose the best answer from the ones provided below.
(se)Which of the basic types of electrode holders is pictured below? Choose from the answers provided.
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?
The _________ has an excess of acetylene, the inner cone has a feathery edge, called the acetylene feather, extending beyond it. Choose from the answers below to fill in the blank.
Which of the the materials below should never be used to repair an acetylene hose. Choose the best answer that applies.
The _________ has a one-to-one ratio of acetylene and oxygen, any additional oxygen needed for complete combustion comes from the surrounding air. Use the answers provided to fill in the blank.
Which of the following disc designs is the most widely use variation for the gate valve?
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.
One of the constants in an isometric drawing is that all angles recede ________ from the horizontal. Choose the best answer from the ones below to fill in the blank.
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?
Of the safety concerns with soldering listed below, which would occur the least?
There are many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "A".
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.
Of the options below, which measuring tool would be best suited to getting exact measurements?
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.
(wf)In during a welded joint, the input of heat must be controlled. Which of the issues could result in a weld where the heat input was not controlled well? Choose the best answer from those provided below.
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 2.5%-80% in air.
When installing an instrument air piping system in a textile plant, what code would you reference for the minimum standards?
In the picture below there are various dimensions noted. Choose the answer from the ones provided that best describes the method of dimensioning.
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?
"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.
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?
In every piping system, a specific fitting should be installed for control of flow and pressure. Of the choices below, which fitting(s) would best apply?
What tool is in the picture below?
"In this type of welding, the filler metal is liquid above 425°C, and deposited in the joint by other than capillary attraction." This statement best describes which of the weld methods below?
There a specific vocabulary when describing the areas of a fillet weld. Which of these terms is represented by "B" in the picture below? Choose the best answer from those provided.
When beginning a soldering or brazing project, which one of the following is one of the deciding factors for proper solder selection?
If you allow swarf to accumulate on the tool you are using, what are the problems that can arise?
"An extra piece of equipment is required when testing with an air compressor." This statement best describes which of the following answers?
"Carefully controlled tolerances are required to manufacture quality cutting tips. One-piece tips that are used in the cutting process with acetylene are generally made from ________ to endure the heat generated. To produce exact holes for these tips, they are machined, drilled, and swaged over special wires." Select the best answer from the ones below to fill in the blank
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.
Calculate the volume of 5 kg/m³ of nitrogen that weighs 2694 kgs. Choose the best answer from the ones provided below.
Which of the numbered symbols below best represents a butt weld gate valve?
You are asked to install 753 meters of 50mm, Sch 40 pipe. At the end of the day, you have 157 meters installed, how many meters do you have left until the job is complete? Choose the best anser from the ones provided below.
"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?
What type of copper tube is most commonly used in fabricating a hydronic systems?
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.
At what point, when cutting with oxy-fuel, should the cutting oxygen slowly be introduced?
There are a number of lines on the edge of any rule. Which of the terms below best corresponds to these lines?
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?
"A process in which two or more items (usually metal) are joined together by melting and putting a filler metal into the joint, the filler metal having a lower melting point than the adjoining metal. " This is the best description for which of the following?
There are some good trade practices when using a hand wrench. Of the practices below, which is not one of them?
The fraction ⅜ is equal to which of the fractions below? Choose the best answer from the ones provided.
T=K x D x P, This formula is used to find the starting tightening torque target number. What does the "P" represent in this formula?
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.
Which is the best answer below that describes the following picture?
With the options below complete the following sentence. "Rules governing the fabrication of power boilers is found in ASME ________"
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
There are three commonly used basic systems of controlling the operation of a mechanized oxy-fuel cutter. Which of the answers below is not one of them? Choose the best answer from those provided below.
Ambient conditions and temperature of the contents of thermoplastic pipe are directly related to which of the answers below?
What type of screwdriver head is pictured below?
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
From the following options, choose the most popular pressure testing method.
The code that covers all piping that transport fluids is which of the following?
The chemical symbol C₂H₂ best represents which of the following compunds?
"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?
When using a beam clamp, ensuring the recommended support load is not exceeded is important. What other component of this support system needs to checked against the weight of the load?
(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 neutral flame would be best suited to which of the following applications?
The major difference between machined screws and both wood screws and sheet metal screws is which of the following?
(mse)The protective shield that purges any atmospheric gases that may be harmful to the weld, and the slag that protects the weld metal both are produced from one area in the weld zone. Which of the following ares best describes where these are produced?
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.
Using the picture below, choose the best answer that relates to the item indicated by the "B".
There a specific vocabulary when describing the areas of a fillet weld. Which of these terms is represented by "A" in the picture below? Choose the best answer from those provided.
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
In a carbonizing oxyacetylene flame, the length of the feather indicates which of the conditions below? Choose the best answer from the following.
"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.
"The reaction caused by contact between metals and oxygen molecules." Is the best definition of which of the terms below?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
As it relates to calculating grade, which of the terms below best describes the letter "C"?
(se)What type of welding circuit is pictured below? Choose the best answer from those provided.
"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.
(se)While welding, what is the result of shortening of the welding arc? Choose the best answer from those provided below.
Commonly in oblique drawings, there is a 50% reduction in depth to add realism to the object. Which of the terms below best describes this practice?
After installing an instrument air piping system, you are asked to prove to the client there are no leaks. The piping specs require that no moisture be left in the system after testing. Which of the following options would be the best for this request?
Which of the numbered symbols below best represents a socket weld gate valve?
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.
What temperature separates soft soldering and brazing?
What tool is in the picture below?
(se)The connections used for welding cables must be tight. If an undersized lug is used, which of the following might occur with a high current load? Choose the best answer from the ones below.
(wf)"The maximum load that a material can support without fracture when being stretched." This statement best describes which of the following terms?
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.
Which is the best answer below that describes the following picture?
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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 "F" in the picture provided?
There are several different three sided geometric shapes. Choose the best answer below as it relates to "C" in the picture provided.
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.
What is one of the three main differences between DWV and pressure application fittings?