A randomized 100 question test from a pool of 898 questions, good luck!
(se)Which of the terms below is used when a sine wave completes a 360° rotation?
Which is the best answer below that describes the following picture?
(se)If a welding machine is left on, but no work is being done with it, what type of voltage is at the output terminals? Choose the best answer from those provided below.
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
Oxygen should have a purity of 99.5% or higher for oxy-fuel cutting. The cutting speed will be an estimated ¾ of normal and the expenditure in cutting oxygen will increase approximately ¼ of normal for each _______ drop in purity percentage form optimum. Use the answers provided to select the best one to fill in the blank.
A 10 meter piece of brass pipe that has an operating temperature of 85°C and pressure of 34 kPa/m². This line was originally installed At -15°C, what is the total linear expansion in meters for this line? Choose the best answer from the ones supplied below.
Upstream of the low pressure stage and downstream of the high pressure stage of the two stage compressor, should be the location for which of the following components of a basic pneumatic system?
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?
Lift, swing, and non slam are all variations of which type of valve?
A neutral flame would be best suited to which of the following applications?
Plastic pipe can move slowly in hangers. This is due to temperature changes that have an effect on the expansion and contraction of the pipe. This mechanism is commonly called which of the below?
On any angle grinder and grinding disk there is an RPM rating. What is the relationship between the rating of the grinder and the rating of the disk? Choose the best answer from the ones below
Which of the following supports has a hardened steel cup set screw?
"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?
Complete this equation. 5⅘ x 2⅜ = X. Choose from the selection of answers 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?
The isometric below has an abundance of information contained within it. The amount of 3 inch A106-B sch 40 piping that is required for this drawing is best represented by which of the answers below?
There are several different three sided geometric shapes. Choose the best answer below as it relates to "C" in the picture provided.
What is one of the three main differences between DWV and pressure application fittings?
"Of all the plastic compression joining methods, this one will not create a flow restriction within the line." This is the best description for which of the following?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
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 largest range of flammability.
"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.
"This material is formed with cross-linking, and becomes irreversibly rigid after the reaction has taken place." This is the best description of which of the terms below?
There are a number of lines on the edge of any rule. Which of the terms below best corresponds to these lines?
Of the welded joint configurations, which of the terms below references the picture provided?
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.
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.
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
The code that covers the piping standards to be used for cryogenic fluids would be which of the following?
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 "A" in the picture provided?
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.
Fillet welds have fundamentally ________ different types of welds. Choose the best answer from those below to fill in the blank.
"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?
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.
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?
When heated, metal forms a scale on it's surface. This scale is called what?
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.
"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?
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?
(wf)After the fillet weld is complete, the weld profile looks like the green section of the picture below. Which of the terms below best describes this profile?
Copper tube pressure fittings can be used on copper tube DWV piping systems.
"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?
Which of the numbered symbols below best represents a side view socket weld tee?
Of the list below, the two most commonly used pressure ratings on fittings are Class 125 and 250.
"One of the principles of hydrostatics is that a fluids pressure is proportional to ________." Choose the best answer below to complete the sentence.
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 number of turns by _______ should be _______ than the number of turns by _____ when tightening a threaded joint. Choose the words in order to fill the blanks from the options below.
Which of the numbered symbols below best represents a butt weld globe valve?
(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.
(wf)"This type of defect is defined as an interruption of the typical structure of a material typically during the welding process." This statement best defines which of the answers below?
On oxygen cylinders, there are no seams, neither running up and down nor across. This is due to the manufacturing process that it goes though. Which of the answers below best describes this process?
Which of the following codes applies to high temperature water is generated at pressures exceeding 160 psig and/or temperatures exceeding 250 degrees F?
If you were to completely show a workpiece in an orthographic projection, how many views would be required as a minimum? Choose the best answer from those provided below.
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
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 several sizes of portable hand drills. How are they rated? Choose the best answer from the ones below.
(wf)The welding surface may contain discontinuities from the style of preparation. From the answers below, choose the best one that describes discontinuities from a surfaced prepped by gouging. blades.
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
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.
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.
Generally, plastic compression fittings come in how many types? Choose from the answers below.
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
What is the SI measurement for air pressure? Choose the best answer from the options below.
Maintaining all of the required PPE within the manufactures guidelines and in good working order is the responsibility of the________." Choose from the following answers to fill the blank.
Which of the states of matter can be defined as having defined mass, volume and shape? Choose the best answer from the ones provided below.
What tube would be commonly used in fabricating a radiant heating system?
What are the two common wall thicknesses for copper tubing?
What tool is pictured below?
"The term for the dimensioning instrument that is used for notation and commonly at a 45° angled straight line." Which of the terms below best represents this statement?
"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?
"This tooth count hacksaw blade is generally recommended for most uses". Which of the following blades fit that description?
What tool is in the picture below?
Generally in oxy-fuel cutting, when heat is applied to steel ranging from 760°C to 870°C, this is commonly referred to as which of the terms below? Choose the best answer from the options provided.
There are some good trade practices when using a hand wrench. Of the practices below, which is not one of them?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
Of the options below, what is the following sentence describing? "This is a mechanism that mechanically joins or affixes two or more objects together."
The references in red along the west side of the drawing are best represented by which of the terms below?
Please add the following fractions ⁴⁄₈, ⁶⁄₁₂, ⁵⁄₈, ⅔. Choose your answer from the ones provided below.
When fusion welding a butt joint, what is the suggested size of the root opening? Choose the best answer from the ones below.
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
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 3.4%-10.8%in air.
"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?
"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.
The lowest temperature a metal is completely molten is called which of the soldering terms below?
Lines that are not perpendicular nor are parallel to a vertex are called which term? Choose the best one that applies from the options below.
The codes and regulations that must be followed when working with welded piping and fittings are based apon which of the following?
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
What type of wrench is pictured below?
Which is the best answer below that describes the following picture?
In oxy-fuel equipment, if the supply pressure gas is allowed to leak into the low pressure side of a regulator, this can cause problems with gauges, relief valves and operation of tools. Which of the answers below best describes this condition?
RTJ gaskets come in two styles. These are which of the following?
Which oxy-fuel cutting tip is pictured below. Choose the best answer from those given below.
"When used in conjunction with similarly threaded nuts, These externally threaded devices are used to create a joining of two or more components." This is the best description of which of the items below?
Using the picture below, which of the following answer best describes the dimension "D"?
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.
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.
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
Weld fittings are available in two varieties, one of these is:
Which of the numbered symbols below best represents a threaded ball valve?