A randomized 100 question test from a pool of 898 questions, good luck!
A soldered or compression fitting is _______ than a flared fitting.
(wf)Of the defects listed below, which one best describes the picture shown?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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.
(se)Which of the terms below relates best to how quickly the flow of AC changes direction? Choose the your answer from those provided below.
(wf)"This is the term used for the point where the material begins to have permanent deformation." This statement best describes which of the terms 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.
(wf)Which answer below best describes the undesireable situation shown by the three black arrows?
Of the list below, choose the answer that has one advantage (first) and one disadvantage (second) of copper tubing over steel or iron pipe.
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.
An Instrument air piping system does not exceed 1673 psi @ 100 degrees F. What class of forged steel fitting in conjunction with Sch 80 piping should be used
"An extra piece of equipment is required when testing with an air compressor." This statement best describes which of the following answers?
"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?
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?
What tool is pictured below?
Some wheels become loaded with debris, or glazing becomes an issue. Of the answers below, choose the best method to solve these problems.
"While dimensioning drawings, there is one of the following activities that you must avoid doing." Which of the following actions when dimensioning a drawing must be avoided? Choose the best answer from the ones provided below
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 following gases has the highest MJ/m³ rating? Choose the best answer from those provided
"Two heating irons are used in this particular type of fusion welding." This best describes which of the following answers?
(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?
From the following answers, choose the one that answers the following statement. "The operating position of a gate valve commonly are ________ and ________."
What type of iron from the selections below contains the highest carbon content?
While fitting a joint you are made aware that there is no wall thickness stamped on the fitting you are going to use. The proper course of action would be?
As it relates to calculating grade, which of the terms below best describes the letter "B"?
Calculate the mass of 2.75 m³ of stainless steel that weighs 3790 kg/m³. Choose the best answer from the ones provided below.
"Carefully controlled tolerances are required to manufacture quality cutting tips. One-piece tips that are used in the cutting process with acetylene are generally made from ________ to endure the heat generated. To produce exact holes for these tips, they are machined, drilled, and swaged over special wires." Select the best answer from the ones below to fill in the blank
When used in conjunction with a flashback arrestor, a reverse flow check valve is best to be place where on an oxyacetylene setup?
You are ordering stud bolts to fasten two flanges together. What thread classification would you order of the following classifications?
Non ferrous piping has three distinguishing characteristics. Contains no iron, and not susceptible to oxidization are two. Of the following list , pick the third.
Socket weld fittings are generally used to join piping that is 50mm(2") or less?
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?
Socket weld fittings most commonly come in sizes ranging from _____ to _____.
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
"The angle of the oxy-fuel torch relative to the direction of travel that which the tip is pointed dictates the directions in which the heat is going and the slag will be blown." Which of the terms below is best described by this statement?
Lockable service, gas cock, pilot valve and a curb stop valve are all varieties of which type of valve?
There are several different three sided geometric shapes. Choose the best answer below as it relates to "B" in the picture provided.
"When joining most metals, silver filler metal can be used. There are only two metals that cannot be joined by this filler metal." This statement best describes which of the following answers
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
In the picture below there are various dimensions noted. From the information in the provided picture, select the best answer to describe the method of dimensioning.
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.
Fluxes in soldering are also known by another term, choose the best term that would be used in place of "fluxes".
The lowest temperature a metal is completely molten is called which of the soldering terms below?
What type of bar 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?
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.
On every acetylene cylinder there is an overpressurization safety device. Of the answers below, choose the best name for this device.
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.
"This alloy is the combination of copper and tin." Which of the metals below is best described by this statement?
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.
The materials that butt weld fittings can be made from include:
T=K x D x P, This formula is used to find the starting tightening torque target number. What does the "P" represent in this formula?
Upstream of the low pressure stage and downstream of the high pressure stage of the two stage compressor, should be the location for which of the following components of a basic pneumatic system?
Which of the states of matter can be defined as having defined mass, but no defined volume or shape? Choose the best answer from the ones provided below.
Of the answers below, which is the best oxyacetylene term for the condition that occurs when the flame burns back into the tip, followed by a "pop" noise?
"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?
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.
Spiral wound gaskets have 6 identifiers on them, which of the below is not one?
When fusion welding a butt joint, what is the suggested size of the root opening? Choose the best answer from the ones below.
Which of the states of matter can be defined as having a defined mass, and volume, but no defined shape? Choose the best answer from the ones provided below.
Choose the best answer below that is the density of water in imperial measurement.
"The space between the OD of the tube being fitted and the bore of the fitting." This is the best description of which soldering term below?
Complete this equation. 15⁷⁄₈ - 4 ⅙ = X. Choose from the selection of answers below.
"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?
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?
"This layout tool consists of a calibrated protractor, X-shaped frame, and a triple jointed marking arm and holder. This allows for marking of steel or pipe." Of the answers below, choose the one is best defined by this statement.
Lift, swing, and non slam are all variations of which type of valve?
Globe valves have a distinct disadvantage when compared to a gate valve. From the answers below select the best one.
Calculate the mass of 6.25 ft³ of gold that weighs 3579 lb/ft³. Choose the best answer from the ones provided below.
(mse)The protective shield that purges any atmospheric gases that may be harmful to the weld, and the slag that protects the weld metal both are produced from one area in the weld zone. Which of the following ares best describes where these are produced?
Which of the numbered symbols below best represents a side view threaded 90° elbow?
The isometric below has an abundance of information contained within it. The amount of 3 inch A106-B sch 40 piping that is required for this drawing is best represented by which of the answers below?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
Which is the best answer below that describes the following picture?
What type of bar is pictured below?
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.
Typical hanger spacing for 76 mm black iron pipe is 4.3 m. Using that information, how many hangers are needed on a 20 m horizontal run?
"When two or more substances are combined and each retain their own chemical identity." Choose the term below that best reflects this statement.
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.
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.
Using the picture below, which of the letters best illustrates a raised face flange?
The alignment of holes in two or more pieces of plate at the same time can be a challenge. Which of the tool below would be best in this situation?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
Contamination of welds is a very serious issue especially where alloys are involved. To avoid contamination from brushing out material from portions of a weld, what precaution should be taken? Choose the best answer from the choices below.
Gate valves have many advantages. One of the following is not among of them. Choose which one.
Using the picture below, which of the following answer best describes the dimension "D"?
(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.
Using the picture below, choose the best answer that relates to the item indicated by the "D".
(wf)Of the defects listed below, which one best describes the black lines outside of the weld in the picture shown?
(wf)Almost all electrode rods are kept in a container to protect them from the elements. Which of the following weld defects would this be the best form of protection from?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
Which of the following gases has the hottest burning neutral flame? Choose the best answer from those below.
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.
(se)The melting of the electrode and/or the base metal comes from the strength of the electrical current passing through them. Of the answers below, which term best describes the strength of the current?
In the WHMIS system, "Flammable and combustible material" is represented by 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."
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?
The encircled letters along the west side of the drawing are best represented by which of the terms below?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
When you are going to lubricate an air motor, which of the following would be the best time to do it?