A randomized 100 question test from a pool of 991 questions, good luck!
(ofe)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 that is 5.3%-14% in air.
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
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.
Looking at the answers below, which one is not a cause of flashback while using an oxyacetelyne cutting torch? Choose the best answer that applies.
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?
You are asked to draw an unbroken horizontal line. Which of the drawing tools below would be the best choice for this task?
(es) Using the proper tool for the job is an integral part of working safely. When using a "Robertson" screwdriver, which of the screwdrivers below would you be using?
(bs)In accordance to the specifications set out by AWS, which of the following symbols would be placed on a package of silver filler metals? Choose the best answer from the ones provided below.
(se)On a brand new joint, when welding the last pass, what arc length should be used? Choose the best answer from the options given below.
"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?
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for length?
Compression type fittings for copper tube are generally made from which of the following materials?
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.
Globe valves have a distinct disadvantage when compared to a gate valve. From the answers below select the best one.
(v) Valves have many uses in process control. Which of the valves below would be the worst choice for a throttling application for a slurry?
(mse)"This type of mechanical property also is known by the term "Elastic limit." This statement best describes which of the properties below?
(se)Which of the basic types of electrode holders is pictured below? Choose from the answers provided.
Using the picture below, which of the following answer best describes the dimension "D"?
A dielectric union would be placed into lines to prevent which condition?
(bs)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.
Of the welded joint configurations, which of the terms below references the picture provided?
(se)"The electrical force that retains the arc while the welding work is being done." This statement best describes which of the following answers?
(ofc)At what point, when cutting with oxy-fuel, should the cutting oxygen slowly be introduced?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
Some wheels become loaded with debris, or glazing becomes an issue. Of the answers below, choose the best method to solve these problems.
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?
As it happens sometimes, while you were on break, your fire extinguisher grew legs and walked away. You head to the tool crib to get another, as you are doing your inspection you notice it is a CFC type. Is there anything that must be done with this extinguisher?
Class 3000, is a fitting classification for which type of material?
Which of the welding processes below would welding goggles be worn?
A plug valve is quick to open or quick to close. Another way of describing that profile is which of the following?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
Fluxes in soldering are also known by another term, choose the best term that would be used in place of "fluxes".
Of the answers provided, choose the thermoplastic that is used for laboratory DWV, and has similar characteristics to PP.
There are a great many ways to give information about the shape of an object. Certain ways of drawing or views will give some information clearer than others. Of the answers below, choose the best term that describes the following picture.
Choose the best answer below that is the density of air, in imperial measurement, at STP.
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
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?
To properly prepare a joint to be welded, how many steps should be used to get the joint tacked?
The coolest place possible should be the location for which of the following components of a basic pneumatic system?
"Heat number" is a designation that can be replaced by which term?
Which of the numbered symbols below best represents a threaded ball valve?
When fusion welding a butt joint, what is the suggested size of the root opening? Choose the best answer from the ones 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?
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 "C" in the picture provided?
(ws) Welding and Oxy-fuel cutting have some specialized safety equipment. Which of the answers below would be the minimum recommended filter plate for low amperage GTAW welding?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
What tool is in the picture below?
(wf)There is a great variety of ______ . This encompasses any flaw that compromises the acceptable standard for a weld. Choose the best answer to fill in the blanks from the ones provided below.
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.
What is the name of the ginder pictured below?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
(ofe)When using your oxyacetylene torch, if your gas speed is higher that the speed of flame propagation, what will the outcome be?
Of the options below, choose the one that best states the primary function of plate rolls.
(papg) When calculating the area of a shape, you would use the terms "length" and "width". Which of the terms below represents the "width" of a 90° triangle?
When comparing STD, XS and XXS wall thicknesses on typical piping, XXS piping has:
(ws) Welding and Oxy-fuel cutting have some specialized safety equipment. Which of the answers below would be the minimum recommended filter plate for low amperage PAC welding?
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?
"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.
(se)While welding, what is the result of shortening of the welding arc? Choose the best answer from those provided below.
The Variation in a gate valve's design is in the disc. How many types of disc variations are there for a gate valve?
(ofc)Looking at the answers below, which one is not a cause of flashback while using an oxyacetelyne cutting torch? Choose the best answer that applies.
Pipe size is specified with two non-dimensional numbers: ________ diameter based on inches, and _______ for wall thickness. Of the options below, fill in the blanks.
(v) There are many variations of the basic types of valves. Which of the basic valve types below would have "Appliance valve" variation?
(wf)Of the types of inclusions below, which would be characteristic of a GMAW process?
(ofe)When dealing with acetylene cylinders, generally you will encounter two types of valves. Which of the sets of valves below would you see?
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.
(ws) Welding and Oxy-fuel cutting have some specialized safety equipment. Which of the answers below would be the minimum recommended filter plate for low amperage SMAW welding?
Composition disc type valves are part of which of the following categories?
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.
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.
(mse)There are a number of components to a simple SMAW weld. In the picture below, #5 is best represented by which answer below?
Which of the numbered symbols below best represents a butt weld ball valve?
In relation to soldering, what does the term "Bore" signify?
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?
Class 6050 is a classification of which fitting type?
What type of screwdriver head is pictured below?
Which of the following supports are used to support pipe lines with light loads that are subjected to up to 32mm vertical thermal movements?
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.
Calculate the density of 5 m³ of copper that weighs 3879 kgs. Choose the best answer from the ones provided below.
For horizontal soldered joints, it is a good practice to apply the solder at which location?
(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?
(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?
"A substance that undergoes a ___________, doesn't chemically alter what the substance is." Choose from the options below to best fill in the blank in this statement.
What is one of the three main differences between DWV and pressure application fittings?
What type of punch is pictured below?
Which of the numbered symbols below best represents a side view threaded 45° elbow?
What type of bar is pictured below?
(wf)"The maximum load that a material can support without fracture when being stretched." This statement best describes which of the following terms?
Calculate the density of 4 ft³ of copper that weighs 367 lbs. 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.
When breaking down an element, smallest unit into which it can be divided and still retain its characteristic properties is best describes by which of the terms below?
(se)"This device limits electrical flow to one direction." This statement best describes which of the devices below?
(papg) Assessing the surface area of any cylinder involves several calculations. Which of the answers below is determined by the formula "πdh"?
When installing an auxiliary service piping system, what code would you reference for the minimum standards?
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.
There are many parts to a circle. Which of the answers below best relates to "I" in the picture provided?
(se)"Metal deposition rate is the weight of material deposited by arc welding in a unit of time. For this rate to increase, which of the options below would be best suited?
Soapstone is commonly available in three grades. Which grade would be best served for marking out steel? Choose your answer from the options below.
(ofe)A neutral flame would be best suited to which of the following applications?
What type of punch is pictured below?
