A randomized 100 question test from a pool of 898 questions, good luck!
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?
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 2.3%-9.5% in air.
When used in conjunction with a reverse flow check valve , a flashback arrestor is best to be place where on an oxyacetylene setup?
(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
What application is better suited for a double flared fitting?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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.
"A process in which a liquid metal is somehow delivered into a mold." This statement is the best description of which term below?
While fitting a joint you are made aware that there is no wall thickness stamped on the fitting you are going to use. The proper course of action would be?
Calculate the mass of 6.25 ft³ of gold that weighs 3579 lb/ft³. Choose the best answer from the ones provided below.
Which of the numbered symbols below best represents a side view socket weld 45° elbow?
Your isometric calls for a weld neck, raised face, 900 PSI rating, flange. Is this the correct flange to use?
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?
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.
Calculate the density of 5 m³ of copper that weighs 3879 kgs. Choose the best answer from the ones provided below.
This design of this fastener allows you to secure the object though holes that are drilled in the piece beforehand. Which of the following fasteners is designed in the same manner?
"Easy rotation of the piping to allow for even wearing of the pipe in an abrasive application." This is the best description of which of the plastic pipe joining types below?
Socket weld fittings are generally used to join piping that is 50mm(2") or less?
(se)While welding, what is the result of shortening of the welding arc? Choose the best answer from those provided 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?
Type "L" copper tube has which colour identification strip?
"This tooth count hacksaw blade is generally recommended for most uses". Which of the following blades fit that description?
Upstream of the low pressure stage and downstream of the high pressure stage of the two stage compressor, should be the location for which of the following components of a basic pneumatic system?
Your crew has just finished setting an enclosed vessel that had a 15 m diameter, a height of 23 m. The insulator foreman has asked you to verify his requirements of insulating the shell of the vessel. Choose the best answer from the ones below that represents the amount of insulation required.
Commonly receding lines are drawn from the horizontal at 30°, 45° or 60°. If you were to draw a receding line at a 45°, it would be foreshortened by which of the amounts below. Choose the best answer from the ones provided below
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
Generally, plastic compression fittings come in how many types? Choose from the answers below.
There are a number of lines on the edge of any rule. Which of the terms below best corresponds to these lines?
"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?
(wf)Of the defects listed below, which one best describes the picture shown?
Of the options below, which one relies on the memory of the plastic tube to contract to its original size after the fitting is inserted?
To properly prepare a joint to be welded, how many steps should be used to get the joint tacked?
(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.
When using a beam clamp, ensuring the recommended support load is not exceeded is important. What other component of this support system needs to checked against the weight of the load?
There are many parts to a circle. Which of the answers below best relates to "F" in the picture provided?
Which of the numbered symbols below best represents a side view threaded cap?
The code that covers all piping that transport fluids is which of the following?
What tool is in the picture below?
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.
"Are used with meters for the purpose of measuring the flow rate of either liquids or gases in the respective pipeline. Pairs of pressure "Tappings", mostly on 2 sides, directly opposite each other, are machined into the flange." This is the best description of which type of fitting?
There are three parts to a common twist drill. Which of the below is not one of those parts?
If you were to completely show a workpiece in an orthographic projection, how many views would be required as a minimum? Choose the best answer from those provided below.
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
(wf)Of the defects listed below, which one best describes the picture shown?
"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?
"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?
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?
Which of the numbered symbols below best represents a butt weld gate valve?
Which of the answers below best represents the pressure exerted by a column of water 1' in height and a base of 1 in²?
Looking at the following terms, choose the best answer that is not associated with a characteristic of a gas.
What type of screwdriver head is pictured below?
There are many parts to a circle. Which of the answers below best relates to "G" in the picture provided?
Typically on a hydrostatic test, the _______ of the fill hose is greater than the high pressure hose. Choose from the following answers to fill in the blank.
15.5 meters of line is supposed to be graded at 1:13, which of the answers below best satisfies this grade?
(mse)"Loads that change in either size, position or direction, are considered to be________ loads." This statement best describes which of the terms 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.
Your journeyman has asked you to torque a 4" #150 flange to 50 ft/lbs. This represents 30% of the total torque, which of the answers below best represents the full torque value?
(se)What type of welding circuit is pictured below? Choose the best answer from those provided.
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?
"Has a female socket in which pipe is fitted. Fillet welding is done from outside on the pipe." This is the best description of which fitting?
There is a mutual attraction that causes unlike molecules them to cling to each another. This property is best describes by which of the following terms?
"A deterioration of a metal by both mechanical means and chemical means over a period of time." This statement best describes which of the following terms?
Twist drill sizes are designated by four methods. Which of the following answers is not one of them.
Using the picture below, which of the following answer best describes the dimension "D"?
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.
Copper tube pressure fittings can be used on copper tube DWV piping systems.
"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.
"Fusion welding with an oxidizing flame on this type of material will cause welds that are porous, oxidized, and brittle." This statement best describes which of the metals below?
Using the picture below, choose the best answer that relates to the item indicated by the "A".
"Smaller tubing sizes and the strength of the operator are both characteristics that this type of bender has." Of the options below, choose the bender that best fits this description.
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
The references in red along the north side of the drawing are best represented by which of the terms below?
"This type of cutting machine has a large flywheel driven by an electric motor that does the cutting." Of the answers below choose the one that is best described by this statement.
"Of all the plastic compression joining methods, this one will not create a flow restriction within the line." This is the best description for which of the following?
(se)All electrode holders have a rating. Choose from the answers below and select the one that best describes this rating.
Which of the numbered symbols below best represents a threaded globe valve?
Typical hanger spacing for 19 mm copper pipe is 2.4 m. Using that information, how many hangers are needed on a 8 m horizontal run?
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.
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.
"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?
Convert 45 Dekameters to Decimeters. Choose the best answer from those provided below.
There is a molecular attraction that causes like molecules to form a meniscus on the surface of a liquid. This property is best describes by which of the following terms?
Class 6000 fittings are commonly made from which material?
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 proper procedure for setting up an oxyacetylene outfit takes an number of steps. Of the answers below, choose the one that represents these number of steps.
Of the options below, which one requires both ends of the plastic pipe to be perfectly square?
T=K x D x P, This formula is used to find the starting tightening torque target number. What does the "D" represent in this formula?
The vents of a hydrotest are not in the open position on all of the high points while filling the system. Which of the following is the likely result of this situation when trying to test the system
(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?
What tool is in the picture below?
What tool is in the picture below?
The safe working pressure of acetylene is 15 psi. As the temperature of the gas increases, this pressure will change. Choose the best answer from the ones provided below to explain what this change will be.
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?
The codes and regulations that must be followed when working with welded piping and fittings are based apon which of the following?
Fluxes in soldering are also known by another term, choose the best term that would be used in place of "fluxes".
Using the picture below, which of the following answer best describes the dimension "E"?
Of the following answers, which is the best one for the torch pictured below?
"A substance that undergoes a ___________, there is a release or absorption of energy as a new substance is formed." Choose from the options below to best fill in the blank in this statement.
What tool is pictured below?
"A metallic substance composed of two or more elements, as either a compound or a solution." This statement is the best description of which of the following terms?