A randomized 100 question test from a pool of 991 questions, good luck!
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?
(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?
(ofe)Of the gases below, choose the best one that supports combustion, but is non-flammable on it own.
(mse)The CSA classification of carbon steel SMAW electrodes is metric. Choose the best answer for what the "E" represents, in the answers below.
There a specific vocabulary when describing the areas of a fillet weld. Which of these terms is represented by "G" in the picture below? Choose the best answer from those provided.
(ws) There are several different types of energy that are released when you are welding or oxy-fuel cutting. Which of the rays below would best be described as one that would cause skin to burn due to an elevated temperature of the exposed area?
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.
(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.
What is the name of the reamer pictured below?
What tool is in the picture below?
"Before heating, the plastic pipe and fittings can be assembled." This statement best describes which of the following?
(ofc)There are many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "F".
(es) Amperage has an effect on the human body depending on the amount exposed to. Which of the mA answers below best corresponds to having the sensation of a painful shock as it travels through the body?
"The destruction of a metal or an alloy because of chemical or electrochemical reaction with its surrounding environment or medium."
As it relates to calculating grade, which of the terms below best describes the letter "A"?
If you needed to place new threads on the inside of a fitting, which of these tools would be best?
(papg) The relationship between the distance around a circle and the distance directly across it is a constant ratio. Which of the terms below best describes the distance across a circle?
(wf)Lack of fusion, oxidation and lack of penetration are all included in which of the following terms? Choose the best answer from those provided 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 "G" in the picture provided?
(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.
A natural gas boiler has an output rating of 43500 Btu and is 67% efficient. Which of the answers below best represents it's input rating?
(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.
Which of the numbered symbols below best represents a side view butt weld tee?
"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?
T=K x D x P, This formula is used to find the starting tightening torque target number. What does the "D" represent in this formula?
(ofc)When inspecting your oxy-acetylene cut after cutting a piece of 50 mm plate, you notice that the bottom of the kerf line is slightly behind the top of the same line. Which of the terms below best expresses this condition?
What is the pressure exerted by 1 ft² of water? Choose the best answer from those provided below.
Of the options below, which one requires both ends of the plastic pipe to be perfectly square?
This type of layout tool consists of two parts, a "Beam" and a "Blade". Which of the following tools best fits this description?
"An extra piece of equipment is required when testing with an air compressor." This statement best describes which of the following answers?
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.
"When two or more substances are combined and each retain their own chemical identity." Choose the term below that best reflects this statement.
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.
What tool is in the picture below?
"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?
"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?
"There are many advantages to a vertical band saw. Of the advantages, one stands out as the greatest." Of the answers below, which one best fits that description.
15.5 meters of line is supposed to be graded at 1:13, which of the answers below best satisfies this grade?
A fuel gas piping system does not exceed 2795 psi @ 100 degrees F. What class of forged steel fitting in conjunction with XS piping should be used
(ws) There are several different types of energy that are released when you are welding or oxy-fuel cutting. Which of the rays below would best be described as one that would cause cataracts with long term exposure?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
(ofe)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.
Convert 0.41278 to a fraction. Choose the best answer from below.
(ofe)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.
"The temperature at which a metal changes state from solid to liquid at atmospheric pressure." Is the best description for which of the terms below?
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
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.
(v) There are many variations of the basic types of valves. Which of the basic valve types below would have "Firing valve" variation?
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?
(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?
In a piping system fittings can be used in a variety of situations, one of those is:
(ofe)The proper procedure for setting up an oxyacetylene outfit takes an number of steps. Of the answers below, choose the one that represents these number of steps.
When selecting a fastener, there are many criteria that are needed to be taken into consideration. What specification of the list below is needed to be known to allow proper movement or anchorage in the fastener?
Wood screws have an unthreaded portion just under the screw head on the shank. Using the options below, what is this portion called?
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?
(wf)Of the defects listed below, which one best describes the picture shown?
(wf)Of the defects listed below, which one best describes the picture shown?
(ws) There are several different types of energy that are released when you are welding or oxy-fuel cutting. "Visible light rays" Would best be defined by which type of energy below?
(ofe)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.
(ofc)After manually oxy-fuel cutting a piece of 75 mm plate in half, your journeyman notices that the kerf lines are indicating a 25% lag in the slag stream. What is he trying to tell you? Choose the best answer from those provided below.
Of the answers provided, choose the thermoplastic that is used for laboratory DWV, and has similar characteristics to PP.
Which of the numbered symbols below best represents a socket weld globe valve?
A cold water piping system does not exceed 4689 psi @ 100 degrees F. What class of forged steel fitting in conjunction with XXS piping should be used
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Of the list below, choose the answer that has one advantage (first) and one disadvantage (second) of copper tubing over steel or iron pipe.
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?
(ofe)On every acetylene cylinder there is an overpressurization safety device. Of the answers below, choose the best name for this device.
(ofe)When the work that is being performed is not dependent on the pressure delivered from the cylinder being used, which style of regulator would most commonly used?
Convert ⁷⁄₁₅ to a decimal. Choose the best answer from the ones below
Masonry anchors come in _______ basic types. Choose from the following answers to fill in the blank.
What tool is pictured below?
"This gasket material is generally used in low pressure, low temperature applications." Which of the materials below best fits this description?
(es) Amperage has an effect on the human body depending on the amount exposed to. Which of the mA answers below best corresponds to having severe muscle contractions and burns as it travels through the body?
"Machined from a single piece of metal that is cut to match the pipe size, fit between two pipe flanges and requires an additional gasket when it is installed. Also, the bolts will need to be lengthened depending on what piping class and size of the fitting is used." This is the best description of which fitting?
(mse)The weld puddle does not use up the electrode in which of the following weld processes? Choose the best answer from the ones provided.
When suspending stationary non-insulated pipe line, it is recommended to use which of the supports below?
Using the picture below, choose the best answer that relates to the item indicated by the "C".
Which answer below best describes the following picture of a bender?
(ofe)100°C is the approximate melting temperature of a fusible plug equipped on an acetylene bottle. Of the reasons below, choose the best reason explaining the purpose of these plugs.
What tool is in the picture below?
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
(ofe)When dealing with acetylene cylinders, generally you will encounter two types of valves. Which of the sets of valves below would you see?
There are many parts to a circle. Which of the answers below best relates to "F" in the picture provided?
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?
You are part of a crew that is hydrotesting a 40 m, 50 mm, Sch 60 alloy pipe. It is set up horizontally, north to south, on pipestands with a gauge at both ends. According to the principles of hydrostatics, what will the gauges read when the test is up and holding at 45 kPa? choose the best answer from the options below.
What tube would be commonly used in fabricating a radiant heating system?
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.
(papg) There are several steps to determining the area of a circle. Which of the answers below would you square to calculate the area of a circle?
(v) There are many variations of the basic types of valves. Which of the basic valve types below would have "Curb stop valve" variation?
Lockable service, gas cock, pilot valve and a curb stop valve are all varieties of which type of valve?
Calculate the mass of 6.25 ft³ of gold that weighs 3579 lb/ft³. Choose the best answer from the ones provided 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.
There are a number of hydrostatic principles, which of the answers below best encompasses them all?
(papg) The relationship between the distance around a circle and the distance directly across it is a constant ratio. Which of the terms below best describes the distance around a circle?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Which of the following codes applies to high temperature water is generated at pressures exceeding 160 psig and/or temperatures exceeding 250 degrees F?
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.
(ws) While welding, there may be contact with extremely hot metals, slag and sparks. Which of the answers below best relates to damage being done to the outer layer of skin and the next layer, the dermis?