A randomized 100 question test from a pool of 898 questions, good luck!
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
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.
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?
What tool is in the picture below?
(wf)Slow travel speed, weak amperage and improper electrode angle are all included in which of the following terms? Choose the best answer from those provided below.
Which of the numbered symbols below best represents a socket weld gate valve?
When using a portable fire extinguisher to fight a fire, why is it important to aim at the base of the fire?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
In wet sprinkler systems, there is different tube that can be used. Choose the answer below that has all of them.
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
"Fusion welding with an oxidizing flame on this type of material will cause welds that are porous, oxidized, and brittle." This statement best describes which of the metals below?
What tool is pictured below?
You find a workpiece that you are trying to drill a hole in too tough to position under a sensitive or upright drill press. Which of the following answers best solves this problem?
(se)Which of the basic types of electrode holders is pictured below? Choose from the answers provided.
These types of portable fire extinguishers are very heavy, have a conical nozzle, and are commonly bright red. Choose the best answer from the selection below.
"An extra piece of equipment is required when testing with an air compressor." This statement best describes which of the following answers?
"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.
(se)Which answer best describes the device that can increase the frequency of an AC current, or change DC to AC? Choose your answer from the ones provided below
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?
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
There a a number of steps in the proper fabrication of a Bell-end joint. Choose the answer below that reflects that number the best.
"The act or procedure of liquefying or melting by the application of heat, any two materials to combine them." This statement best describes which of the following terms?
"Has a gasket surface in the same plane as the bolting circle face." Is the best description of which fitting?
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.
"Easy rotation of the piping to allow for even wearing of the pipe in an abrasive application." This is the best description of which of the plastic pipe joining types below?
On every acetylene cylinder there is an overpressurization safety device. Of the answers below, choose the best name for this device.
A typical file generally has one of four basic cuts. Which of the below is not one of those cuts?
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
Which parts of an ASPT or NPT are flattened slightly?
(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?
(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.
(se)"This term is describing a welding machine that has a flat, or close to it, volt-amp curve. It is well suited for GMAW and SAW welding." This statement best describes which of the following answers?
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.
Which of the following disc designs is the most widely use variation for the gate valve?
What tool is in the picture below?
There are many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "A".
Which of the following gases has the highest MJ/m³ rating? Choose the best answer from those provided
Of the gases below, choose the best one that supports combustion, but is non-flammable on it own.
Of the choices below, there is one valve that would be best suited to a service that requires regular maintenance.
(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.
(mse)"Operational characteristics of an electrode can be controlled in several ways. One of those ways is by the different composition of the flux coating." Choose from the answers below the coating that does not apply to this statement.
(se)While welding, what is the result of shortening of the welding arc? Choose the best answer from those provided below.
"When looking at this type of drawing, the views most commonly seen are right side, top and front." Which of the terms below is best described by this statement?
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.
"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?
(wf)Of the defects listed below, which one best describes the picture shown?
The code that covers all piping that transport fluids is which of the following?
(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.
(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.
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.
What type of wrench is pictured below?
"The ability of a substance, usually a metal, to be deformed or molded into a different shape." This statement is the best description of which of the following terms?
Your journeyman has asked you to torque a 4" #150 flange to 50 ft/lbs. This represents 30% of the total torque, which of the answers below best represents the full torque value?
(wf)Which answer below best describes the undesireable situation shown by the three black arrows?
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?
"It is a method of drawing which you can represent your shapes into three- dimensional view. An angle of 30 degree is taken in all its sides in order to give a 3d look." This statement best describes which of the following drawing methods?
What is the name of the cutter pictured 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?
During the oxy-fuel cutting process, iron oxidizes. Of the terms below, which one best describes the resulting lines on the surface of the cut from this process?
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.
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?
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.
The materials that butt weld fittings can be made from include:
(wf)A weld defect called "precipitate hardening" is a situation that can lead to which of the below problems? Choose the best answer from those provided
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
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.
Which answer below best describes the following picture of a bender?
The safe working pressure of acetylene is 15 psi. As the temperature of the gas increases, this pressure will change. Choose the best answer from the ones provided below to explain what this change will be.
Composition disc type valves are part of which of the following categories?
Using the picture below, choose the best answer that relates to the item indicated by the "A".
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
"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?
A carbonizing flame would be best suited to which of the following applications?
If you needed to place new threads on the inside of a fitting, which of these tools would be best?
Which form of corrosion(s) is aided by an increase in temperature? Choose the best answer from the options below.
"Smaller tubing sizes and the strength of the operator are both characteristics that this type of bender has." Of the options below, choose the bender that best fits this description.
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?
What type of copper tube is most commonly used in fabricating a hydronic systems?
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.
Convert 45 Dekameters to Decimeters. Choose the best answer from those provided below.
Which of the numbered symbols below best represents a threaded globe valve?
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?
When beginning a soldering or brazing project, which one of the following is one of the deciding factors for proper solder selection?
(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.
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.
The first step in starting a task involving plastic pipe should be? Choose the best answer from the following.
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?
Which of the layout tools below would be the most accurate in transferring measurements? Choose from the following tools.
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 picture provided?
A pressure of 379 kPa is showing on your absolute pressure gauge. Your journeyman needs that in converted to psig. Which of the answers below best reflects the number that you will give them?
The markings required on a butt weld fitting does not include which of the following?
While setting up for a hydrostatic test, it is noted that the maximum output on the pump to be used is 1000 psia. The test hose that is to be used has a pressure rating of 6950 kPaa. From the answers below choose the best course of action.
(se)Welding power sources that are AC-DC rectifier type have several advantages to them, which of the answers below is not one of them? Select the best answer from the options provided.
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."
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
Spiral wound gaskets have 6 identifiers on them, which of the below is not one?
(se)Your welder asks you to turn up the _________ on his welder for more penetration. Choose the best answer from the options below to fill in the blank.
There are several different three sided geometric shapes. Choose the best answer below as it relates to "D" in the picture provided.
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.