A randomized 100 question test from a pool of 898 questions, good luck!
Which of the following situations would a scribe be the best layout tool of choice? Use the following situations for your answer.
The design of a ball valve is similar to which of the listed valves?
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?
"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?
The fraction ⁵⁸⁄₇ is equal to which of the answers provided below?
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
RTJ gaskets come in two styles. These are which of the following?
(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
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?
(mse)The CSA classification of carbon steel SMAW electrodes is metric. Choose the best answer for what the "E" represents, in the answers below.
The chemical symbol C₂H₂ best represents which of the following compunds?
Electrical shock accounts for a large number of workplace injuries. Which of the following would not increase the possibility of electrical shock? Choose the best answer from those provided below.
When using your oxyacetylene torch, if your gas speed is higher that the speed of flame propagation, what will the outcome be?
When dealing with acetylene cylinders, generally you will encounter two types of valves. Which of the sets of valves below would you see?
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?
"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.
A small system has been filled and is ready to pressure up. Which of the pumps below would be the best to use for this test?
(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?
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.
Class 3000, is a fitting classification for which type of material?
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?
One of the constants in an isometric drawing is that all angles recede ________ from the horizontal. Choose the best answer from the ones below to fill in the blank.
"The process of shaping metal and increasing its strength by hammering or pressing." This statement best describes which of the following terms?
The numbers encircled on the north side of the drawing are best represented by which of the terms below?
"A pressure regulator's primary function is to match the flow of gas through the regulator, while maintaining a consistent output pressure, to the demand for gas placed upon it." Why is this item required for most pneumatic tools?
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?
Which of the following disc designs is the most widely use variation for the gate valve?
The lowest temperature a metal is completely molten is called which of the soldering terms 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 "E" in the picture provided?
If you had to walk around a house and it took you 4 minutes to walk one side and 6 minutes to walk the adjacent side, how long would it take to finish the entire walk? Choose the best answers from those below
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?
In air there are numerous gases in varying proportions, which of the answers below best represents those proportions?
There are many parts to a circle. Which of the answers below best relates to "D" in the picture provided?
"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?
The coolest place possible should be the location for which of the following components of a basic pneumatic system?
The first step in starting a task involving plastic pipe should be? Choose the best answer from the following.
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.
"The reaction caused by contact between metals and oxygen molecules." Is the best definition of which of the terms below?
In vertical runs of piping (risers) at each floor level there should be a support. The type of hardware used by mechanical building trades for supporting pipe would be which of the following?
(se)Your welder asks you to turn up the _________ on his welder for more penetration. Choose the best answer from the options below to fill in the blank.
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?
What tool is pictured below?
Which is the best answer below that describes the following picture?
Of the list below, before adding the flux to a capillary soldered joint, what must be done?
Which oxy-fuel cutting tip is pictured below. Choose the best answer from those given below.
Which of the the materials below should never be used to repair an acetylene hose. Choose the best answer that applies.
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 "I" in the picture provided?
Copper tube DWV fittings can be used on copper pressure piping systems
(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?
Which answer below best represents the type of cutting machine in the picture provided?
"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?
(mse)The weld puddle does not use up the electrode in which of the following weld processes? Choose the best answer from the ones provided.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(mse)"This mechanical property is expressed in an elongation percentage. A bend test is used to achieve this percentage." Which of the properties is best described by this statement?
There are a number of lines on the edge of any rule. Which of the terms below best corresponds to these lines?
"A substance that undergoes a ___________, doesn't chemically alter what the substance is." Choose from the options below to best fill in the blank in this statement.
Using the picture below, which of the letters best illustrates a raised face flange?
"This is the term used for the metal or steel that you are actually welding on." The term best described by this statement is which of the following?
What type of wrench is pictured below?
If you are bypassing or modifying a ground connection, you are creating what kind of hazard?
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.
Which answer below best describes the following picture of a bender?
What are the two common wall thicknesses for copper tubing?
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.
Of the selection below choose which measurement this sentence best describes. "Not widely used for gas pressures, This measurement is mostly used in materials science, where the tensile strength of a material is measured as a large number of psi."
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.
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
(se)"This device limits electrical flow to one direction." This statement best describes which of the devices 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.
"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?
"In this type of welding, the filler metal is liquid above 425°C, and deposited in the joint by other than capillary attraction." This statement best describes which of the weld methods below?
In the picture below there are various dimensions noted. Choose the best answer from the ones provided to show the tolerance dimension.
Of the welded joint configurations, which of the terms below references the picture provided?
There are 4 principal parts to the head of a hammer. Of these 4 parts, there are only two that are opposite of each other, what are they called? Of the answers below, choose the one that best applies.
(se)All electrode holders have a rating. Choose from the answers below and select the one that best describes this rating.
T=K x D x P, This formula is used to find the starting tightening torque target number. What does the "T" represent in this formula?
Of the answers below, which is the best example of the difference between a sensitive drill press and an upright drill press?
The volume of all solids and liquids changes as the temperature of the substance rises and falls. Choose the best answer that represents the change in volume when water transforms to ice.
The pressure exerted by a column of Hg 9" high would be which of the following answers? Choose the best answer that applies from the ones below
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
Fluxes in soldering are also known by another term, choose the best term that would be used in place of "fluxes".
What is one of the three main differences between DWV and pressure application fittings?
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?
"A substance used to promote fusion that is applied to surfaces to be joined to keep them free from oxide and promote their union." This is the best definition of which of the soldering terms below?
(wf)Of the defects listed below, which one best describes the picture shown?
After installing an instrument air piping system, you are asked to prove to the client there are no leaks. The piping specs require that no moisture be left in the system after testing. Which of the following options would be the best for this request?
Wood screws have an unthreaded portion just under the screw head on the shank. Using the options below, what is this portion called?
Complete this equation. 5⅘ x 2⅜ = X. Choose from the selection of answers below.
This type of soldering uses temperatures below 450C or 840F:
Of the answers below, which best reflects the name of the drill pictured?
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
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.
(mse)"Loads that change in either size, position or direction, are considered to be________ loads." This statement best describes which of the terms provided?
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?
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?
The common elements that all fluxes have are listed except for one. Select the one that does not apply.
The purpose of this step is to provide a prepped surface for the solvent cement by beginning the chemical reaction that softens PVC. Of the options below, choose the best answer.
When installing an auxiliary service piping system, what code would you reference for the minimum standards?
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.
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 3.4%-10.8%in air.