A randomized 100 question test from a pool of 898 questions, good luck!
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 term is a combination of metals or of a metal and another element." Which of the following terms is best described by this statement?
Your journeyman has asked you to cut them 6 pieces of 4' Sch 80 pipe 3' 7". The only piece of pipe you can find is a 20 foot full length. How many pieces will you be able to cut out of this length? Choose the best answer from those provided below.
Fire suppression applications use CPVC piping. For this application what colour must this piping be? Choose the best answer from the options below.
As it relates to calculating grade, which of the terms below best describes the letter "A"?
A 10 meter piece of brass pipe that has an operating temperature of 85°C and pressure of 34 kPa/m². This line was originally installed At -15°C, what is the total linear expansion in meters for this line? Choose the best answer from the ones supplied below.
"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?
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.
Which of the piping systems below would Bell-end type joints primarily be used in?
Orthographic and isometric directional arrows have few similarities. From the options provided below, choose the best answer that represents one of those similarities.
To properly prepare a joint to be welded, how many steps should be used to get the joint tacked?
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.
(wf)"This term refers to a physical property of a material which describes the ability of a material containing a crack to resist further cracking."
What pressure would be exerted by a column of water 14 feet high? Choose the best answer from those provided below
What tool is in the picture below?
When suspending stationary non-insulated pipe line, it is recommended to use which of the supports 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?
Calculate the volume of 5 kg/m³ of nitrogen that weighs 2694 kgs. Choose the best answer from the ones provided below.
Which of the numbered symbols below best represents a threaded gate valve?
Of all the valves below, which would have close to the same flow characteristics as a globe pattern straight valve?
"This type of cutting machine is perfect for busy shops. When the machine is loaded, and starts to cut the material, it allows the operator to do other tasks while the machine is cutting." This statement best describes which of the following metal cutters
Which of the numbered symbols below best represents a side view butt weld cap?
Welding torches and cutting torches are similar in most respects. Of the options below, choose the best answer that represents a similarity.
Which of the numbered symbols below best represents a butt weld globe valve?
(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?
Which of the numbered symbols below best represents a side view threaded tee elbow?
What type of screwdriver head is pictured 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 of 2.5%-80% in air.
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?
Spiral wound gaskets have 6 identifiers on them, which of the below is not one?
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?
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for a large volume?
When breaking down an element, smallest unit into which it can be divided and still retain its characteristic properties is best describes by which of the terms below?
A threaded fitting you are trying to reclaim has been cross threaded. Which of the items below would be best to attempt to salvage the fitting?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
Socket weld fittings are generally used to join piping that is 50mm(2") or less?
"One of the principles of hydrostatics is that a fluids pressure is proportional to ________." Choose the best answer below to complete the sentence.
"The process of shaping metal and increasing its strength by hammering or pressing." This statement best describes which of the following terms?
What type of screwdriver head is pictured below?
A common 30/70 soft solder contains what percentage of which elements in it's alloy?
Of the options below, which measuring tool would be best suited to getting exact measurements?
If you were trying to depict the inside workings of an item, you which of the following orthographic views would be best for the task?
Using the picture below, which of the letters best illustrates a flat faced flange?
Which of the valve styles below best fits the following statement "This variation of globe valve can be used where minimum pressure loss is required. They can also be rod through to remove debris upstream of the valve. "
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
Of all the tools listed below, what is the preferred method for cutting tube under 3/4"?
(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
There are three elements that are required to start a fire, this is called the "Fire triangle". Fuel and heat of ignition form two sides of this triangle. Of the answers below, choose the one that best fits on the third side.
Of the safety concerns with soldering listed below, which would occur the least?
(mse)The CSA classification of carbon steel SMAW electrodes is metric. Choose the best answer for what the "70" represents, in the answers below.
What type of wrench is pictured below?
(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?
Generally in oxy-fuel cutting, when heat is applied to steel ranging from 760°C to 870°C, this is commonly referred to as which of the terms below? Choose the best answer from the options provided.
What tool is in the picture below?
Of the list below, the two most commonly used pressure ratings on fittings are Class 125 and 250.
"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?
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 "F" in the picture provided?
What type of wrench is pictured below?
The references in red along the north side of the drawing are best represented by which of the terms below?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
When storing plastic pipe, the pipe should be supported adequate support at all times. For long term storage, what additional step should be taken?
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
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
A compound commonly used in oxy-fuel operations is derived from a combination of water and calcium carbide. Which of the chemical symbols below best represents this hydrocarbon gas?
Of the answers below, which is the best oxyacetylene term for the condition that occurs when the tip produces a shrieking noise, sparks and dark smoke.
Which type of pipe fitting., of the list below, is not permitted on natural gas piping systems?
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."
Code B149.1-05 covers which of the following?
MJ/m³ and Btu/ft³ are two was of expressing ________energy. Use the terms below to select the one that best fills in the blank.
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?
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.
As it relates to calculating grade, which of the terms below best describes the letter "B"?
"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?
This type of layout tool consists of two parts, a "Beam" and a "Blade". Which of the following tools best fits this description?
(wf)Of the defects listed below, which one best describes the one that the black arrow is pointing to in the picture shown?
"Two heating irons are used in this particular type of fusion welding." This best describes which of the following answers?
"When two or more substances are combined and each retain their own chemical identity." Choose the term below that best reflects this statement.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The chemical symbol C₂H₂ best represents which of the following compunds?
"Before heating, the plastic pipe and fittings can be assembled." This statement best describes which of the following?
(wf)Which answer below best describes the undesireable situation shown by the three black arrows?
If you are bypassing or modifying a ground connection, you are creating what kind of hazard?
In the picture below, what type of joining system is being used? Use the best answer from the ones provided below.
In the drawing provided, there is a column at the northwest corner of the entrance. It's location is best represented by which of the following answers below?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
Of the valves below, which has a non-directional flow pattern?
(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.
(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.
(wf)Dimensional defects would include all of the following defects except one. Of the answers below choose the one that is not a dimensional defect.
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.
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.
(wf)Of the defects listed below, which one best describes the picture shown?
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.
"In the center of a flange there is a tall hub with a bevelled end suitable for welding." This is a description of which type of flange?
When selecting a flux, what is the most important consideration to be made?
"Provides requirements for design, fabrication, installation and inspection of steam heating, hot water heating, hot water supply boilers, and potable water heaters intended for low pressure service that are directly fired by oil, gas, electricity, coal or other solid or liquid fuels." This is the best description of which of the ASME sections 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?
"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
(se)"This term is describing a welding machine that has a steep volt-amp curve. It is well suited for SMAW and GTAW welding." This statement best describes which of the following answers?
Straight pattern, Y pattern and angle pattern are all design variations of which style of valve?