A randomized 100 question test from a pool of 898 questions, good luck!
Of the answers below, which is the best oxyacetylene term for the explosive condition that occurs upstream the mixer and can include all of the components in the outfit including the regulator.
Calculate the mass of 6.25 ft³ of gold that weighs 3579 lb/ft³. Choose the best answer from the ones provided below.
What application is better suited for a double flared fitting?
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.
Of the welded joint configurations, which of the terms below references the black portion that the arrow is pointing at in picture provided?
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for length?
What is the name of the reamer pictured below?
"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?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
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?
Which parts of an ASPT or NPT are flattened slightly?
(se)"The electrical force that retains the arc while the welding work is being done." This statement best describes which of the following answers?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
"One of the principles of hydrostatics is that a fluids pressure is proportional to ________." Choose the best answer below to complete the sentence.
(wf)Of the defects listed below, which one best describes the picture shown?
Which of the filler metals would be most commonly used when brazing copper or copper alloys? Choose the best answer from the following filler metals.
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.
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?
(wf)A tapered transition ratio of _________ is commonly thought to be acceptable by numerous codes. Use the answers given below to find the best ratio to fill in the blank.
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.
When storing plastic pipe, the pipe should be supported adequate support at all times. For long term storage, what additional step should be taken?
Wood screws have an unthreaded portion just under the screw head on the shank. Using the options below, what is this portion called?
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?
Which of the numbered symbols below best represents a threaded ball valve?
(se)The connections used for welding cables must be tight. If an undersized lug is used, which of the following might occur with a high current load? Choose the best answer from the ones 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?
Which answer below best describes the following picture of a bender?
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.
(wf)In during a welded joint, the input of heat must be controlled. Which of the issues could result in a weld where the heat input was not controlled well? 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.
Which oxy-fuel cutting tip is pictured below. Choose the best answer from those given below.
Which is the best answer below that describes the following picture?
"The ability of a body to resist a distorting influence and to return to its original size and shape when that influence or force is removed." This is the best definition of which of the terms below?
What tool is 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.
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?
(se)All welding machines have a duty cycle. A machine with a duty cycle of 72% with an amperage of 425, would run continuously at what amp maximum? Choose the best answer from the selection below.
A fuel gas piping system does not exceed 2795 psi @ 100 degrees F. What class of forged steel fitting in conjunction with XS piping should be used
Which of the following gases has the highest MJ/m³ rating? Choose the best answer from those provided
What tool is in the picture below?
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.
The materials that butt weld fittings can be made from include:
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
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
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.
There a specific vocabulary when describing the areas of a fillet weld. Which of these terms is represented by "A" in the picture below? Choose the best answer from those provided.
You are asked to install 753 meters of 50mm, Sch 40 pipe. At the end of the day, you have 157 meters installed, how many meters do you have left until the job is complete? Choose the best anser from the ones provided below.
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.
What is the SI measurement for air pressure? Choose the best answer from the options below.
What tool is in the picture 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?
Which of the numbered symbols below best represents a socket weld gate valve?
There are many parts to a circle. Which of the answers below best relates to "I" in the picture provided?
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?
(wf)Defective properties would include all of the following defects except one. Of the answers below choose the one that is not a defective property.
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.
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
There are many parts to a circle. Which of the answers below best relates to "E" in the picture provided?
The lowest temperature a metal is completely molten is called which of the soldering terms below?
What tool is pictured below?
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?
There are many parts to a circle. Which of the answers below best relates to "G" in the picture provided?
Of the many views that a drawing may have, an isometric drawing will show only three views or faces. Which of the following answers is not one of them?
"This cutting machine cuts metal with a scissor-like action." Which of the machines below best fits this description?
Using the terms provided, choose the best one that would be described as a substance that cannot be be chemically reduced into simpler components.
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
Using the picture below, which of the letters best illustrates a male and female set flange?
Which of the following supports are used to support pipe lines with light loads that are subjected to up to 32mm vertical thermal movements?
"One of the principles of hydrostatics is that a fluids pressure is proportional to ________." Choose the best answer below to complete the sentence.
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?
(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.
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.
There are some good trade practices when using a hammer. Of the practices below, which is not one of them?
The most common colour for a fuel gas hose in an oxyacetylene set up is which of the below?
"A process in which two or more items (usually metal) are joined together by melting and putting a filler metal into the joint, the filler metal having a lower melting point than the adjoining metal. " This is the best description for which of the following?
"The reaction caused by contact between metals and oxygen molecules." Is the best definition of which of the terms below?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
On the QC paperwork for the hydrotest that you have up and holding requires gauge pressures. The gauges are holding steady at 245 kPa(a). Which of the answers below best represents the pressure that the QC requires?
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.
Most fuels, when exposed to air, water, or heat under normal condition will not chemically react. These fuels are classed as which of the 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?
When installing an instrument air piping system in a textile plant, what code would you reference for the minimum standards?
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.
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
Ambient conditions and temperature of the contents of thermoplastic pipe are directly related to which of the answers below?
The _________ has an excess of acetylene, the inner cone has a feathery edge, called the acetylene feather, extending beyond it. Choose from the answers below to fill in the blank.
What type of screwdriver head is pictured 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?
You have to hire employees to work 40 hours a week to finish the job. If the job is projected for 3178 hours, how many employees will have to be hired? Choose the best answer from those provided below.
Using the picture below, which of the letters best illustrates a ring joint flange?
The classification of ferrous piping includes all of the following except for one. Choose the pipe that is not ferrous.
A typical file generally has one of four basic cuts. Which of the below is not one of those cuts?
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.
Blueprints are assebled into groups for ease of accessing the information quickly. In the commercial or industrial ares of work, there are commonly ________ divisions of these blueprints. Choose from the answers below to best fill in the blank.
The most common colour for a oxygen gas hose in an oxyacetylene set up is which of the below?
The plug disc valve is a variation of which main category of valve?
"This type of oxy-fuel cutting torch has preheat gases supplied to the cutting tip." Which of the following torch types is best described by this statement?
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
There are several different three sided geometric shapes. Choose the best answer below as it relates to "D" in the picture provided.
Of the valves below, which has a non-directional flow pattern?