A randomized 100 question test from a pool of 991 questions, good luck!
(ofe)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.
A natural gas boiler has an output rating of 43500 Btu and is 67% efficient. Which of the answers below best represents it's input rating?
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
(es) Amperage has an effect on the human body depending on the amount exposed to. Which of the mA answers below best corresponds to having pain, loss of voluntary muscle control and difficulty breathing, as it travels through the body?
Some wheels become loaded with debris, or glazing becomes an issue. Of the answers below, choose the best method to solve these problems.
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
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?
(papg) When calculating the area of a shape, you would use the terms "length" and "width". Which of the terms below represents the "length" of a 90° triangle?
(se)Which of the basic types of electrode holders is pictured below? Choose from the answers provided.
Self-Drilling anchors are considered to be this type of anchor. Choose from the following answers.
STD or Sch40 piping is measured by the nominal ______ up to ______ diameter, and by the exact ______ up to ________diameter. Use the choices below to fill in the blanks in order.
(v) There are many variations of the basic types of valves. Which of the basic valve types below would have "Insulated service valve" variation?
Which of the numbered symbols below best represents a side view socket weld 45° elbow?
A soldered or compression fitting is _______ than a flared fitting.
When suspending stationary non-insulated pipe line, it is recommended to use which of the supports below?
(ofc)The material that is blown away by the oxygen stream while oxy-fuel cutting is called which of the following terms? Choose the best answer from the selection below.
"Heat number" is a designation that can be replaced by which term?
There are many parts to a circle. Which of the answers below best relates to "I" in the picture provided?
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
Your journeyman asks you to fill out the following print with measurements. What method of dimensioning are they having you do? Choose from the best answer from the ones provided below.
Which of the following answers best describes the advantage of preparing a joint with a U groove over the Vee groove style?
(papg) Areas and surface areas can be measured in both square inches and square feet. Which of the answers below would allow you to convert ft² from in²?
What tool is in the picture 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.
Of the list below, before adding the flux to a capillary soldered joint, what must be done?
What type of wrench is pictured below?
The wall thickness of the two most commonly available fittings for 27.5mm (1/2") pipe are:
What type of copper tube is most commonly used in fabricating a hydronic systems?
"The steps in preparing this type of fusion weld and a steel weld are very similar." Which of the answers below best fits this description?
These multi-purpose portable fire extinguishers are light, commonly red, and have a short nozzle or a narrow length of hose. Choose from the answers below the one that best applies.
Which of the measurements below is the metric standard for the breaking strength of bolts?
(ws) There are several different types of energy that are released when you are welding or oxy-fuel cutting. Which of the rays below would be created during non-destructive testing of welds?
(ofc)At what point, when cutting with oxy-fuel, should the cutting oxygen slowly be introduced?
The air has a density of _________ at STP, based on 101 kPa and 0°C. Use the best answer below to fill in the blank.
Which of the answers below best represents the pressure exerted by a column of water 1' in height and a base of 1 in²?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(ofc)/m³ and Btu/ft³ are two was of expressing ________energy. Use the terms below to select the one that best fills in the blank.
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."
Of the material types below, which one only is available in class 150 and 300 fittings?
Of the list below, a try cock is considered what type of valve?
(papg) There are several different methods to calculate the grade of a slope. Which of the methods below would best represent a line to be graded up at 1:46 mm?
Choose the best answer below that is the density of water in imperial measurement.
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for force?
(wf)Weld faults can happen even before the welding has occurred. Which of the answers below best describes the number of common types of pre-weld dimensional defects?
(ofe)When using your oxyacetylene torch, if your gas speed is higher that the speed of flame propagation, what will the outcome be?
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?
What type of screwdriver head is pictured below?
Which of the following types of copper requires a bending device?
Which of the numbered symbols below best represents a threaded ball valve?
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.
Of the options listed below, one is not an advantage of ERS over conventional soldering. Choose which one.
Which of the piping systems below would Bell-end type joints primarily be used in?
The encircled letters along the west side of the drawing are best represented by which of the terms below?
At the warehouse, they have received an exchanger. You look at the waybill, and see that it was discounted 3 separate times for 15%, 12% and 6% each. If the original price was $45,692, which of the answers below best represents the final purchase price?
When storing plastic pipe, the pipe should be supported adequate support at all times. For long term storage, what additional step should be taken?
(ws) There are several different types of energy that are released when you are welding or oxy-fuel cutting. Which of the rays below would best be described as one that would cause sever eye strain, and possible blindness?
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 "C" in the picture provided?
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.
"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?
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
These materials can be cooled and heated several times without any change in their chemistry or mechanical properties. This allows them to be formed and re-formed into different shapes" This is the best description of which of the terms below?
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
(bs)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?
"A mixture of substances (in fixed proportions) that melts and solidifies at a single temperature that is lower than the melting points of the separate constituents or of any other mixture of them." Is the best description of which of the soldering terms below?
(ofc)Which oxy-fuel cutting tip is pictured below. Choose the best answer from those given below.
There are some specific weld faults that can occur with a fillet weld. Which of these faults is represented by the picture below? Choose the best answer from those provided.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"Before heating, the plastic pipe and fittings can be assembled." This statement best describes which of the following?
Calculate the relative density of a steel at 2357 lb/ft³ with water at 62.4 lb/ft³. Select the best answer from the ones provided below.
(papg) When calculating the area of a shape, you would use the terms "length" and "width". Which of the terms below represents the "width" of a 90° triangle?
Which of the numbered symbols below best represents a side view threaded 90° elbow?
A cold water piping system does not exceed 4689 psi @ 100 degrees F. What class of forged steel fitting in conjunction with XXS piping should be used
Of the welded joint configurations, which of the terms below references the picture provided?
(mse)"This type of mechanical property also is known by the term "Elastic limit." This statement best describes which of the properties below?
What type of wrench is pictured below?
(ofe)"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
Loss of head for a valve or fitting has an equivalent in a length of the same size pipe. Which valve, a gate or an angle globe (both fully open), would have the highest losses?
What tool is in the picture below?
(es) Using the proper tool for the job is an integral part of working safely. When trying to cut wires in an extremely tight spot, which of the tools below would be the best choice?
What tool is in the picture below?
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 comparing STD, XS and XXS wall thicknesses on typical piping, XXS piping has:
(wf)Of the types of inclusions below, which would be characteristic of a GMAW process?
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 is a mutual attraction that causes like molecules them to cling to each another. This property is best describes by which of the following terms?
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.
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
Convert 4.81' to the nearest ¹⁄₁₆ of an inch. Choose the best answer from the ones below
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?
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
(es) Using the proper tool for the job is an integral part of working safely. When using a "Robertson" screwdriver, which of the screwdrivers below would you be using?
(ws) Welding and Oxy-fuel cutting have some specialized safety equipment. Which of the answers below would be the minimum recommended filter plate for medium amperage PAC welding?
Of the options below, which one requires both ends of the plastic pipe to be perfectly square?
Files and hacksaws are similar in that they only__________. Use the answers below to complete the sentence.
"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?
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.
(v) There are many variations of the basic types of valves. Which of the basic valve types below would have "Lockable service valve" variation?
This type of layout tool consists of two parts, a "Beam" and a "Blade". Which of the following tools best fits this description?
(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?
Which of the numbered symbols below best represents a side view socket weld 90° elbow?