A randomized 100 question test from a pool of 991 questions, good luck!
(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.
(v) There are many variations of the basic types of valves. Which of the basic valve types below would have "Insulated service valve" variation?
"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?
Using the picture below, which of the letters best illustrates a flat faced flange?
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.
(v) There are many variations of the basic types of valves. Which of the basic valve types below would have "Main stop valve" variation?
(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?
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?
(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 sever eye strain, and possible blindness?
The materials that butt weld fittings can be made from include:
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 the eyeball to blister?
(papg) Areas and surface areas can be measured in metric. Which of the answers below would represent the proper time to convert mm into m in a calculation?
Using the terms provided, choose the best one that would be described as a substance being chemically joined in fixed proportions of two or more different types of atoms.
Of the options below, what is the following sentence describing? "This is a mechanism that mechanically joins or affixes two or more objects together."
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
(wf)Welding has several broad classes of defects that can occur in any weld. Choose the best answer from the options provided below, to show how many classes there are.
(wf)Which answer below best describes the undesireable situation shown by the three black arrows?
(ofe)When used in conjunction with a reverse flow check valve , a flashback arrestor is best to be place where on an oxyacetylene setup?
Wood screws have an unthreaded portion just under the screw head on the shank. Using the options below, what is this portion called?
Socket weld fittings are generally used to join piping that is 50mm(2") or less?
(ofc)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.
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.
The first step in starting a task involving plastic pipe should be? Choose the best answer from the following.
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?
(es) Using the proper tool for the job is an integral part of working safely. When tightening a wide variety of bolts in one place, which of the wrenches below would best be suited for the job?
At the bottom of a column of Hg, the pressure is 5.82 psi, how many inches of water column is required to exert this same pressure? Choose the best answer from those provided below
Which form of corrosion(s) is aided by an increase in temperature? Choose the best answer from the options below.
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
(ofe)When balancing pressures with an oxyacetylene torch, good rule of thumb to calculate "blow away" is _________ per tip size. Choose from the answers below to fill in the blank.
In the groove and shoulder system, if you use a roll groove, what is the disadvantage of this type of groove? Choose the best answer of the options below.
In the picture below there are various dimensions noted. Choose the answer from the ones provided that best describes the orientation of the numerical dimensions.
The vents of a hydrotest are not in the open position on all of the high points while filling the system. Which of the following is the likely result of this situation when trying to test the system
(v) Some valves can be used for throttling services. Which of the valves below would have a tendency to have cavitation as a result of throttling a process?
(v) There is a wide variety of valve styles used in industry today. Which of the valves below would be considered a quarter-turn valve?
"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?
What type of wrench is pictured below?
What type of bar is pictured below?
(mse)"A load that is relatively constant for an extended time, is considered to be a ________ load." This statement best describes which of the answers below?
A safety relief valves has a specific relationship with the part in the system that has lowest maximum pressure setting. Of the answers below, choose the one that best reflects this relationship.
(ofc)There are many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "F".
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
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?
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.
Every hacksaw blade has a "set". This particular "set" has every tooth bent slightly to the side and in the opposite direction of the one in front of it. Of the answers below, choose the best "set" to match this description.
"Generally concrete screws are fasteners considered _________ and have applications with _______ loads." Choose from the answers below to fill in the blanks.
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.
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
In relation to soldering, what does the term "Capillary action" signify?
Of the choices below, there is one valve that would be best suited to a service that requires regular maintenance.
(ofe)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.
(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 of 2.5%-80% in air.
T=K x D x P, This formula is used to find the starting tightening torque target number. What does the "K" represent in this formula?
Convert ¹¹⁄₁₆ to a percentage. select the best answer from the ones provided below.
(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.
(ofe)On the jobsite you have to cut 200 mm plate, and have to heat a large hoarding from the same supply. Of the gases below, choose the gas that would best fill both of these requirements.
What is one of the three main differences between DWV and pressure application fittings?
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.
What type of punch is pictured below?
(mse)There are a number of components to a simple SMAW weld. In the picture below, #4 is best represented by which answer below?
Of the following supports, choose the one that is an example of a constant support hanger.
Commonly receding lines are drawn from the horizontal at 30°, 45° or 60°. If you were to draw a receding line at a 45°, it would be foreshortened by which of the amounts below. Choose the best answer from the ones provided below
(ofe)The proper procedure for shutting down an oxyacetylene outfit takes an number of steps. Of the answers below, choose the one that represents these number of steps.
(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?
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
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.
As it relates to calculating grade, which of the terms below best describes the letter "A"?
The recommended PVC grooved joint operating maximum temperature is which of the below?
(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 be created during non-destructive testing of welds?
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 lines pointed to by the black arrows in the picture shown?
(wf)After the fillet weld is complete, the inspector says that the weld profile has a bulge to it. Which of the terms below best describes this situation?
(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?
Convert 45 Dekameters to Decimeters. Choose the best answer from those provided below.
"The steps in preparing this type of fusion weld and a steel weld are very similar." Which of the answers below best fits this description?
"Has a gasket surface in the same plane as the bolting circle face." Is the best description of which fitting?
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for pressure?
Twist drill sizes are designated by four methods. Which of the following answers is not one of them.
(wf)The best term to describe the portion of the weld between the two black line would be which of the below?
Fill the blanks with the answers provided. "These two valves, _______ and ________ are usually used together in a line. The flow of fluid through the line finds little friction from either one."
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?
(v) There is a wide variety of valve styles used in industry today. Which of the valves below would be considered a quarter-turn valve?
What tool is pictured below?
(v) There are many variations of the basic types of valves. Which of the basic valve types below would have "Curb stop valve" variation?
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?
(bs)One of the four classifications of fusion welding low alloy steel oxy fuel gas welding rods is R60. What do the two numbers represent in this classification? Choose the best answer from the options below.
When heated, metal forms a scale on it's surface. This scale is called what?
Which of the following supports has a hardened steel cup set screw?
What is the name of the reamer pictured below?
(ofc)/m³ and Btu/ft³ are two was of expressing ________energy. Use the terms below to select the one that best fills in the blank.
RTJ gaskets come in two styles. These are which of the following?
"This type of drill is only for up to ½" holes that need to be precise." Choose the answer below that is best described by the statement.
(se)If you wanted a narrower bead, that has deeper penetration, which of the following techniques would be best suited for the task? Choose the best answer from the options below.
(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?
(es) Using the proper tool for the job is an integral part of working safely. When trying rotate a 2" length of pipe, which of the tools below would be the best choice?
A common 30/70 soft solder contains what percentage of which elements in it's alloy?
(v) There are many variations of the basic types of valves. Which of the basic valve types below would have "Cock stop valve" variation?
T=K x D x P, This formula is used to find the starting tightening torque target number. What does the "T" represent in this formula?
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.
Some wheels become loaded with debris, or glazing becomes an issue. Of the answers below, choose the best method to solve these problems.