A randomized 100 question test from a pool of 898 questions, good luck!
Orthographic and isometric directional arrows have few similarities. From the options provided below, choose the best answer that represents one of those similarities.
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?
(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?
Ambient conditions and temperature of the contents of thermoplastic pipe are directly related to which of the answers below?
In a piping system fittings can be used in a variety of situations, one of those is:
When beginning a soldering or brazing project, which one of the following is one of the deciding factors for proper solder selection?
Commonly in oblique drawings, there is a 50% reduction in depth to add realism to the object. Which of the terms below best describes this practice?
(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
Which of the following torque procedures is the least accurate in regards to getting to proper tension on a studbolt?
"One of the principles of hydrostatics is that a fluid will exert pressure in ________." Choose the best answer below to complete the sentence.
What tool is in the picture 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.
There are many parts to a circle. Which of the answers below best relates to "D" in the picture provided?
In relation to soldering, what does the term "Capillary action" signify?
"The reaction caused by contact between metals and oxygen molecules." Is the best definition of which of the terms 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.
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.
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.
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.
Fire suppression applications use CPVC piping. For this application what colour must this piping be? Choose the best answer from the options 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?
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
What type of bar is pictured below?
Which of the numbered symbols below best represents a threaded ball valve?
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.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
To supply a gas test with high pressure, dry gas, which of the following would be best to use?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
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?
Using the picture below, which of the letters best illustrates a tongue and groove flange?
What are the two common wall thicknesses for copper tubing?
Of the selection of units below, which would be best used to describe pressure?
Typical hanger spacing for 50 mm cast iron pipe is 3.0 m. Using that information, how many hangers are needed on a 13 m horizontal run?
This type of valve can be installed in locations that are unavailable for a gate valve, but will give you similar valve characteristics. Of the options below, which valve is being described?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
Soapstone is commonly available in three grades. Which grade would be best served for marking out steel? Choose your answer from the options below.
The pressure exerted by a column of Hg 9" high would be which of the following answers? Choose the best answer that applies from the ones below
The orientation of a horizontal line is commonly referred to as _______ to the horizon. Choose the best answer from the ones provided below to fill in the blank.
On every acetylene cylinder there is an overpressurization safety device. Of the answers below, choose the best name for this device.
Which of the numbered symbols below best represents a butt weld gate valve?
For material that is ⅜" to 1" thick, the most common type of joint preparation would be which of the following. Choose the best answer that applies
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
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.
There are many parts to a circle. Which of the answers below best relates to "G" in the picture provided?
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?
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?
"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.
Your isometric calls for a weld neck, raised face, 900 PSI rating, flange. Is this the correct flange to use?
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?
(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?
The lowest temperature a metal is completely molten is called which of the soldering terms 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.
(wf)Of the defects listed below, which one best describes the picture shown?
A typical file generally has one of four basic cuts. Which of the below is not one of those cuts?
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 several steps to consider when soldering on a valve. Of the list choose the one that dose not apply
If you allow swarf to accumulate on the tool you are using, what are the problems that can arise?
There are several disadvantages with conventional dimensioning. In the grouping of answers below, one is not a disadvantage of this style of dimensioning. Choose the best answer that applies.
Convert ¹¹⁄₁₆ to a percentage. select the best answer from the ones provided 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.
What type of wrench is pictured below?
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
After the second tack is in place, what is the tool most commonly used to maintain the gap?
"The process of shaping metal and increasing its strength by hammering or pressing." This statement best describes which of the following terms?
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.
"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?
As it relates to calculating grade, which of the terms below best describes the letter "B"?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"The destruction of a metal or an alloy because of chemical or electrochemical reaction with its surrounding environment or medium."
This filler metal is most commonly used with cobalt alloys, and applications that have an extremely high service temperature." This statement describes which of the filler metals below best?
The plug disc valve is a variation of which main category of valve?
What type of wrench is pictured below?
"The term for the dimensioning instrument that is used for notation and commonly at a 45° angled straight line." Which of the terms below best represents this statement?
The major difference between machined screws and both wood screws and sheet metal screws is which of the following?
Which of the numbered symbols below best represents a butt weld ball valve?
On the QC paperwork for the hydrotest that you have up and holding requires absolute pressures. The gauges are holding steady at 35 psi. Which of the answers below best represents the pressure that the QC requires?
(se)"This device limits electrical flow to one direction." This statement best describes which of the devices below?
The design of a ball valve is similar to which of the listed valves?
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.
(se)"The electrical force that retains the arc while the welding work is being done." This statement best describes which of the following answers?
Which of the measurements below is the metric standard for the breaking strength of bolts?
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?
(se)When sizing welding cables, which of the cables below would be the largest?
"When two or more substances are combined and each retain their own chemical identity." Choose the term below that best reflects this statement.
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 several different types of groove welds. Which of those weld types is represented by the picture below? Choose the best answer from those 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.
Which of the numbered symbols below best represents a butt weld globe valve?
Each substance has it's own rates of expansion and contraction, using the table below find the substance with the greatest amount of expansion per °C. Choose the best answer from those provided 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.
When installing an auxiliary service piping system, what code would you reference for the minimum standards?
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.
The code that covers the piping standards to be used for cryogenic fluids would be which of the following?
"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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are many parts to a circle. Which of the answers below best relates to "I" in the picture provided?
Using the picture below, choose the best answer that relates to the item indicated by the "A".
(wf)The specific requirements of fabrication must include any of the the welding processes. Chemical and mechanical factors are taken into account in every facet of that fabrication. Any deviation from these requirements would be considered a defect." This statement best describes which of the following weld defects?
(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.