A randomized 100 question test from a pool of 898 questions, good luck!
What are the two common wall thicknesses for copper tubing?
"These regulators allow a consistent pressure to be fed to the tool being used. This is true despite the change in inlet pressures." Which of the regulators below is best described by this statement?
(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?
There are several different three sided geometric shapes. Choose the best answer below as it relates to "C" in the picture provided.
In oxy-fuel equipment, if the supply pressure gas is allowed to leak into the low pressure side of a regulator, this can cause problems with gauges, relief valves and operation of tools. Which of the answers below best describes this condition?
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 "A" in the picture provided?
"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?
(se)What is the name of the welding accessory pictured below? Use the answers provided to choose the best one.
The isometric below has an abundance of information contained within it. The amount of 4 inch A106-B sch 40 piping that is required for this drawing is best represented by which of the answers below?
Using the picture below, which of the letters best illustrates a male and female set flange?
The common elements that all fluxes have are listed except for one. Select the one that does not apply.
When you are going to lubricate an air motor, which of the following would be the best time to do it?
Compression type fittings for copper tube are generally made from which of the following materials?
(wf)Of the defects listed below, which one best describes lines pointed to by the black arrows in the picture shown?
Files and hacksaws are similar in that they only__________. Use the answers below to complete the sentence.
"An extra piece of equipment is required when testing with an air compressor." This statement best describes which of the following answers?
Of the choices below, there is one valve that would be best suited to a service that requires regular maintenance.
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.
To protect the internal mechanisms, this type of gate valve should not be placed in a line that has turbulent flow. This is the best description of which of the following?
(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.
Maintaining all of the required PPE within the manufactures guidelines and in good working order is the responsibility of the________." Choose from the following answers to fill the blank.
Looking at the body of a check valve you see a hinge pin on the body. Of the following valves what is the valve you are looking at?
All of the below are common disadvantages of using plastic pipe except one. Choose the answer that is not a disadvantage.
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 "H" in the picture provided?
Complete this equation. 15⁷⁄₈ - 4 ⅙ = X. Choose from the selection of answers below.
What tool is pictured below?
Upstream of the aftercooler and downstream of the air intake should be the location for which of the following components of a basic pneumatic system?
As it relates to calculating grade, which of the terms below best describes the letter "A"?
"This layout tool has one chamfered edge usually. The dual purpose tool can check the material surface to assure flatness, and mark a straight line on a surface." This statement best describes which of the following tools?
Of the answers below, which support has one bolt or two bolt manufacturing options?
Lockable service, gas cock, pilot valve and a curb stop valve are all varieties of which type of valve?
The references in red along the west side of the drawing are best represented by which of the terms below?
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?
Ambient conditions and temperature of the contents of thermoplastic pipe are directly related to which of the answers below?
Of the valves below, which has a flow pattern that is non-directional?
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.
Masonry anchors come in _______ basic types. Choose from the following answers to fill in the blank.
The fraction ⅜ is equal to which of the fractions below? Choose the best answer from the ones provided.
The plug on the end of a 150 mm pipe has a force restriction of 250,000 N. What is the maximum operating pressure that this fitting can handle? Choose the best answer from those provided 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.
Weld fittings are available in two varieties, one of these is:
There are two basic techniques to pierce a hole in plate steel. Choose the one that best applies from the answers 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?
Which of the numbered symbols below best represents a socket weld gate valve?
Calculate the relative density of a compound at 10456 kg/m³ with water at 1000 kg/m³. Select the best answer from the ones provided below.
(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?
(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?
When installing an auxiliary service piping system, what code would you reference for the minimum standards?
There is a set number of steps in the procedure for creating proper joints with thermoplastic piping. Of the answers below, select the one that is closest to that number.
(wf)The best term to describe the portion of the weld between the two black line would be which of the below?
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.
"The standard filler is normally sufficient for applications up to 900º F. Other soft fillers are available for higher temperatures or special applications. The choice of the metal used for the jacketed part of the fitting would depend upon the corrosive conditions being encountered." This is the best description of which of the following fittings?
(mse)The slag from the welding process has several important functions. Of the answers below choose the best one that does not apply.
From the following answers, choose the one that answers the following statement. "The operating position of a gate valve commonly are ________ and ________."
"Before heating, the plastic pipe and fittings can be assembled." This statement best describes which of the following?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
Which type of fastener below requires a layout of the holes before fastener is installed?
There are many parts to a circle. Which of the answers below best relates to "F" in the picture provided?
Which is the best answer below that describes the following picture?
Pressure vessels such as pipelines, plumbing, gas cylinders, boilers and fuel tanks can be tested for strength and leaks. From the list below choose the correct testing procedure.
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.
The pressure of the hydraulic torque might warp the flange before the stubot has reached the desired length. From the options bellow, what is the best solution to alleviate this issue?
There are some good trade practices when using a hammer. Of the practices below, which is not one of them?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
Of the material types below, which one only is available in class 150 and 300 fittings?
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?
Which of the following disc designs is the most widely use variation for the gate valve?
(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?
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?
Type "L" copper tube has which colour identification strip?
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.
"This style of check valves doesn't rely on flow reversal or gravity to close. Instead, the valve is closed by a spring." Of the valves below, this is the best description of which?
Which type of flange is machines with a flat face to help facilitate frequent cleaning or inspection?
What tool is in the picture below?
If you needed to place new threads on the inside of a fitting, which of these tools would be best?
Calculate the density of 5 m³ of copper that weighs 3879 kgs. Choose the best answer from the ones provided below.
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
(wf)Of the answers below, which type of defect occurs when the electrode is not drawn away from the puddle slowly enough?
"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?
When buying a ______ solder, the ______ content is always listed first. Fill in the blanks from the options below.
When selecting a flux, what is the most important consideration to be made?
In accordance to the specifications set out by AWS, which of the following symbols would be placed on a package of silver filler metals? Choose the best answer from the ones provided below.
Fillet welds have fundamentally ________ different types of welds. Choose the best answer from those below to fill in the blank.
What tool is in the picture below?
An acetylene bottle has a specific volumetric capacity. The cylinder should not be emptied more then one _______ of that capacity per hour. Choose the best answer to fill in the blank from the ones below.
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.
(se)On a brand new joint, when welding one of the first two passes, what arc length should be used? Choose the best answer from the options given below.
To cut a piece of copper tube with a hacksaw, which of the following blades would be best?
Which of the numbered symbols below best represents a side view threaded cap?
There are several sizes of portable hand drills. How are they rated? Choose the best answer from the ones below.
Which is the best answer below that describes the following picture?
Using the picture below, which of the following answer best describes the dimension "A"?
Copper tube DWV fittings can be used on copper pressure piping systems
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.
When using a portable fire extinguisher to fight a fire, why is it important to aim at the base of the fire?
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.
(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?
(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.
Please add the following fractions ⁴⁄₈, ⁶⁄₁₂, ⁵⁄₈, ⅔. Choose your answer from the ones provided below.
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.