A randomized 100 question test from a pool of 898 questions, good luck!
A plug valve is quick to open or quick to close. Another way of describing that profile is which of the following?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
"An extra piece of equipment is required when testing with an air compressor." This statement best describes which of the following answers?
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?
When storing plastic pipe, the pipe should be supported adequate support at all times. For long term storage, what additional step should be taken?
(wf)While welding, water and other liquids get caught up in the weld. These produces voids of gas when the weld cools. Which of the terms below best describes these voids?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"This type of cutting machine is perfect for busy shops. When the machine is loaded, and starts to cut the material, it allows the operator to do other tasks while the machine is cutting." This statement best describes which of the following metal cutters
(se)"An type of material that allows the flow of an electrical current in one or more directions." The best answer that this statement describes is which of the following?
Of the flame types for the oxyacetylene torch, which of them burns the hottest at the tip of the cone? Choose the best answer from the ones provided below.
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 many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "C".
The barometer in the shop is reading 853 mm Hg, which of the answers below best reflects this reading in psig?
Straight pattern, Y pattern and angle pattern are all design variations of which style of valve?
Of the answers below, choose the layout tool that would most likely consist of a "Bevel protractor" and a steel rule
(mse)There are a number of components to a simple SMAW weld. In the picture below, #3 is best represented by which answer below?
Of the valves below, which has a flow pattern that is non-directional?
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.
(wf)Dimensional defects would include all of the following defects except one. Of the answers below choose the one that is not a dimensional defect.
Of the welded joint configurations, which of the terms below references the black portion that the arrow is pointing at in picture provided?
Of the gases below, choose the one that has the highest flame temperature in its neutral state.
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.
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.
Using the picture below, which of the following answer best describes the dimension "C"?
Using the picture below, choose the best answer that relates to the item indicated by the "C".
"This gas irritates sensitive skin and mucous membranes. It is non-flammable, has an unpleasant odour, and is colourless." This statement best describes which of the following gases?
Of all the valves below, which would have close to the same flow characteristics as a globe pattern straight valve?
A small percentage of fuels, when exposed to air, water, or heat under normal condition will chemically react. These fuels are classed as which of the below?
"One of the principles of hydrostatics is that a fluids pressure is proportional to ________." Choose the best answer below to complete the sentence.
Wood screws have an unthreaded portion just under the screw head on the shank. Using the options below, what is this portion called?
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.
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)The distance from the molten pool of the weld to the end of the electrodes core wire is called the arc length. A distance that is ________ of the diameter of the electrodes core wire is considered normal. Choose from the following options the best answer to fill the blank.
Pressure vessels such as pipelines, plumbing, gas cylinders, boilers and fuel tanks can be tested for strength and leaks. From the list below choose the correct testing procedure.
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.
After initial tensioning, a set of studbolts may have to be re-tensioned after start up. Which of the following terms would best explain the cause of this situation?
"One of the principles of hydrostatics is that a fluid will exert pressure in ________." Choose the best answer below to complete the sentence.
What is one of the three main differences between DWV and pressure application fittings?
The references in red along the west side of the drawing are best represented by which of the terms below?
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.
(se)All electrical conductors resist the flow of current to some degree. Which of the terms below is used to measure this resistance? From the answers below select the one best applies.
A common 30/70 soft solder contains what percentage of which elements in it's alloy?
A lube oil piping header has a slope of 2.5% for a 13500 mm run. What is the total drop of the line in meters? Choose the best answer from the ones 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?
Which oxy-fuel cutting tip is pictured below. Choose the best answer from those given below.
What type of screwdriver head is pictured below?
There are several different types of labeling or lettering on a drawing. In the picture below how many different types of labeling and/or lettering is there. Choose the best answer from those provided below.
The classification of ferrous piping includes all of the following except for one. Choose the pipe that is not ferrous.
One side of a support is 372 mm, the other side is 739 mm. What is the smallest area that this support can be used? Choose the best answer from the ones provided below.
Using the picture below, which of the following answer best describes the dimension "D"?
The most common colour for a oxygen gas hose in an oxyacetylene set up is which of the below?
(se)"This electrical current has is not bi-directional and flows only from negative to positive." This statement best describes which of the following currents?
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.
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.
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.
Convert 0.41278 to a fraction. Choose the best answer from below.
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.
"Heat number" is a designation that can be replaced by which term?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
What type of wrench is pictured below?
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.
"Joining two metal surfaces by melting an alloy so that it forms a thin layer between the surfaces." This id the best definition of which of the terms below?
Files and hacksaws are similar in that they only__________. Use the answers below to complete the sentence.
Of the following supports, choose the one that is an example of a constant support hanger.
What pressure would be exerted by a column of water 14 feet high? Choose the best answer from those provided below
A square groove double weld commonly has a maximum material thickness of ________. Use the best answer below to fill in the blank.
The ________ is produced when slightly greater volume of oxygen is mixed with a smaller volume of acetylene. Choose from the answers below to fill in the blank.
Of the selection below choose which measurement this sentence best describes. "Not widely used for gas pressures, This measurement is mostly used in materials science, where the tensile strength of a material is measured as a large number of psi."
Non ferrous piping has three distinguishing characteristics. Contains no iron, and not susceptible to oxidization are two. Of the following list , pick the third.
"When required to make a square cut off line on a pipe, this coiled layout tool made of gasket material is commonly used." Which of the tools below best fits this description?
(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?
"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?
When using a long tape, one extra consideration must be taken into account over a short tape. Of the answers below, choose the one that best applies.
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
What tool is in the picture below?
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?
If you needed to place new threads on the inside of a fitting, which of these tools would be best?
(mse)The slag from the welding process has several important functions. Of the answers below choose the best one that does not apply.
What type of copper tube is most commonly used in fabricating a hydronic systems?
(mse)"This mechanical property is expressed in an elongation percentage. A bend test is used to achieve this percentage." Which of the properties is best described by this statement?
Using the picture below, which of the following answer best describes the dimension "E"?
A piping system that is being designed to carry a petroleum product at 16 psig and 350F would be covered under which code(s)?
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?
There are many parts to a circle. Which of the answers below best relates to "H" in the picture provided?
Which of the measurements below is the metric standard for the breaking strength of bolts?
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.
"A substance that undergoes a ___________, there is a release or absorption of energy as a new substance is formed." Choose from the options below to best fill in the blank in this statement.
After installing an utility water piping system, you are asked to prove to the client there are no leaks. Which of the following options would be the best for this request?
"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.
You have just installed a small vessel on site, the height is 29' and the base has a 9' diameter. What is the force exerted on the pad that it sits on when completely full of water? choose the best answer from those provided below.
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?
(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.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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."
When one substance is dissolved in another homogeneously, this is called a solution. Which of the three states of matter can a solution exist? Choose the best answer from the ones provided below.
Calculate the relative density of a compound at 10456 kg/m³ with water at 1000 kg/m³. Select the best answer from the ones provided below.
"A metallic substance composed of two or more elements, as either a compound or a solution." This statement is the best description of which of the following terms?
The volume of all solids and liquids changes as the temperature of the substance rises and falls. Choose the best answer that represents the change in volume when water transforms to ice.
(wf)Of the types of inclusions below, which would be characteristic of a GMAW process?
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?