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Plumber: FIRST PERIOD

A randomized 100 question test from a pool of 898 questions, good luck!

"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?
Water distribution systems made from PE piping have a maximum operating temperature. What is that temperature? Choose from the options below.
The wall thickness of the two most commonly available fittings for 27.5mm (1/2") pipe are:
The codes and regulations that must be followed when working with welded piping and fittings are based apon which of the following?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
There are some good trade practices when using a hammer. Of the practices below, which is not one of them?
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 largest range of flammability.
(mse)There are a number of components to a simple SMAW weld. In the picture below, #2 is best represented by which answer below?
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.
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
In wet sprinkler systems, there is different tube that can be used. Choose the answer below that has all of them.
At the end of the work week, your crew installed 45% of 50 mm, Sch 40 pipe The amount required for the job is 4791 m. Which of the answers below best relates to how much pipe is left to be installed?
(mse)There are a number of components to a simple SMAW weld. In the picture below, #3 is best represented by which answer below?
(se)The graph below best represents which type of welding machine output? Choose from the best answer from those provided below.
Masonry anchors come in _______ basic types. Choose from the following answers to fill in the blank.
One side of a support is 372 mm, the other side is 739 mm. What is the smallest area that this support can be used? Choose the best answer from the ones provided below.
(mse)The CSA classification of carbon steel SMAW electrodes is metric. Choose the best answer for what the "70" represents, in the answers below.
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
There are two basic techniques to pierce a hole in plate steel. Choose the one that best applies from the answers below.
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
A boiler that creates superheated water at 175 psig and 275F is covered under which code(s)?
The encircled letters along the west side of the drawing are best represented by which of the terms below?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
Inches of Hg is commonly used for atmospheric pressure. What is the difference in pressure exerted by a 10" column of Hg with a 1 in² base, when compared to a column of water the same height? Use the best answer from those provided below.
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?
Which of the numbered symbols below best represents a socket weld gate valve?
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?
What is the pressure exerted by 1 ft² of water? Choose the best answer from those provided below.
There are a great many ways to give information about the shape of an object. Certain ways of drawing or views will give some information clearer than others. Of the answers below, choose the best term that describes the following picture.
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
15.5 meters of line is supposed to be graded at 1:13, which of the answers below best satisfies this grade?
Class 6050 is a classification of which fitting type?
"The process of shaping metal and increasing its strength by hammering or pressing." This statement best describes which of the following terms?
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.
What tool is in the picture below?
A cold water piping system does not exceed 3000 psi @ 100 degrees F. What weight of pipe is required with class 3000 forged steel fitting?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
(mse)"This type of material property is measured using a Brinell, or a Rockwell test." This statement best describes which of the properties below?
(se)Which of the basic types of electrode holders is pictured below? Choose from the answers 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.
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?
After seal welding a box, the painters ask how much paint they are going to need to coat the outside. The box is 230 mm long, 450 mm high and 375 mm wide. Of the answers below, choose the best one that reflects this number.
A piping system that is being designed to carry a petroleum product at 16 psig and 350F would be covered under which code(s)?
The fraction ⅜ is equal to which of the fractions below? Choose the best answer from the ones provided.
"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?
What type of screwdriver head is pictured below?
Using the picture below, which of the following answer best describes the dimension "B"?
As it relates to calculating grade, which of the terms below best describes the letter "A"?
Using the picture below, choose the best answer that relates to the item indicated by the "A".
An acetylene bottle has a specific volumetric capacity. The cylinder should not be emptied more then one _______ of that capacity per hour. Choose the best answer to fill in the blank from the ones below.
As it relates to calculating grade, which of the terms below best describes the letter "B"?
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.
The most common colour for a oxygen gas hose in an oxyacetylene set up is which of the below?
What tool is pictured below?
(se)While welding, what is the result of shortening of the welding arc? Choose the best answer from those provided below.
If the welding apprentices tacked 4 welds in an hour, how many welds would be tacked by 3 apprentices in a 37.5 hour work week? Choose the best answer from the ones provided below.
In relation to soldering, what does the term "Capillary action" signify?
Which answer below best represents the type of cutting machine in the picture provided?
Calculate the perimeter of a building that has a wall measurement of 12' 6⅜". Choose the best answer from the ones below.
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
Gate valves have many advantages. One of the following is not among of them. Choose which one.
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
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?
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
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.
Which of the following types of copper requires a bending device?
What type of iron from the selections below contains the highest carbon content?
There are many parts to a circle. Which of the answers below best relates to "F" in the picture provided?
(se)If you wanted a narrower bead, that has deeper penetration, which of the following techniques would be best suited for the task? Choose the best answer from the options below.
Convert ⁷⁄₁₅ to a decimal. Choose the best answer from the ones below
(wf)"This term deals with the increase in stress in an area of a weld near a crack, depression, or a sharp angle. Although the calculated stressing may be quite safe, it can be enough to cause failure of the weld." This statement best describes which of the terms below?
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for mass?
With the options below,complete the following sentence. "The rules of ASME _______ constitute construction requirements for pressure vessels."
When beginning a soldering or brazing project, which one of the following is one of the deciding factors for proper solder selection?
Your journeyman is fitting up a joint and asks you to check to see if the pipe is "plumb". Which way would you hold the level to get that information? From the following options, choose the best answer.
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
Which of the numbered symbols below best represents a socket weld ball valve?
There are two accepted methods of protecting metal from electrolysis. Of the list below, choose the one that applies.
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?
Convert 0.67 to the the nearest practical fraction. Choose the best answer from the ones below
There are two basic techniques to pierce a hole in plate steel. Choose the one that best applies from the answers below.
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)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 different three sided geometric shapes. Choose the best answer below as it relates to "C" in the picture provided.
Which of the states of matter can be defined as having defined mass, but no defined volume or shape? Choose the best answer from the ones provided below.
Which answer below best describes the following picture of a bender?
Complete this equation. 15⁷⁄₈ - 4 ⅙ = X. Choose from the selection of answers below.
(wf)A weld defect called "precipitate hardening" is a situation that can lead to which of the below problems? Choose the best answer from those provided
If you needed to place new threads on the inside of a fitting, which of these tools would be best?
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.
Using the picture below, which of the letters best illustrates a raised face flange?
"In drill presses and drills, to hold the drill bits and accessories, there are several tooling devices that can be used." These are commonly called which of the below?
"Is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression." This is the best definition of which fitting?
Calculate the density of 4 ft³ of copper that weighs 367 lbs. Choose the best answer from the ones provided below.
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.
(mse)"A load that is relatively constant for an extended time, is considered to be a ________ load." This statement best describes which of the answers below?
"When looking at this type of drawing, the views most commonly seen are right side, top and front." Which of the terms below is best described by this statement?
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.
When buying a ______ solder, the ______ content is always listed first. Fill in the blanks from the options below.
What tool is in the picture below?