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Plumber: FIRST PERIOD

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

Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure at an altitude of 3000 feet above sea level?
The codes and regulations that must be followed when working with welded piping and fittings are based apon which of the following?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
Which parts of an ASPT or NPT are flattened slightly?
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?
The chemical symbol C₂H₂ best represents which of the following compunds?
Welding torches and cutting torches are similar in most respects. Of the options below, choose the best answer that represents a similarity.
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?
Using the picture below, which of the following answer best describes the dimension "C"?
Of the following supports, choose the one that is an example of a constant support hanger.
Every hacksaw blade has a "set". This particular "set" has the teeth in a wavy design running from left to right. . Of the answers below, choose the best "set" to match this description.
This type of layout tool consists of two parts, a "Beam" and a "Blade". Which of the following tools best fits this description?
Class 3000, is a fitting classification for which type of material?
When selecting a fastener, there are many criteria that are needed to be taken into consideration. What specification of the list below is needed to be known to allow proper movement or anchorage in the fastener?
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.
As it relates to calculating grade, which of the terms below best describes the letter "A"?
Which of the following supports are used to support pipe lines with light loads that are subjected to up to 32mm vertical thermal movements?
Which of the numbered symbols below best represents a socket weld ball valve?
The coolest place possible should be the location for which of the following components of a basic pneumatic system?
When installing a new valve into an existing piping system you find that the flange bolt holes are threaded UNC. The original line also has tapped bolt holes, but are UNF. The valve installation details requires a nut on the valve flange, the line specification requires a fastener with a nut on both ends. Which of the solutions below would satisfy all of the specifications?
"This layout tool has one chamfered edge usually. The dual purpose tool can check the material surface to assure flatness, and mark a straight line on a surface." This statement best describes which of the following tools?
"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?
"An extra piece of equipment is required when testing with an air compressor." This statement best describes which of the following answers?
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.
"There are many advantages to a vertical band saw. Of the advantages, one stands out as the greatest." Of the answers below, which one best fits that description.
Which of the below would be the best fitting to prevent damage from a pressure surge to a gauge on a hydrostatic test?
Masonry anchors come in _______ basic types. Choose from the following answers to fill in the blank.
What is the pressure exerted by 1 ft² of water? Choose the best answer from those provided 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?
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 of the numbered symbols below best represents a threaded ball valve?
In the picture below there are various dimensions noted. Choose the best answer from the ones provided to show the arc dimension.
Looking at the following terms, choose the best answer that is not associated with a characteristic of a gas.
What type of bar is pictured below?
In the picture below there are various dimensions noted. Choose the best answer from the ones provided to show the tolerance dimension.
What tool is in the picture below?
All of the below are common disadvantages of using plastic pipe except one. Choose the answer that is not a disadvantage.
Convert ⁷⁄₁₅ to a decimal. Choose the best answer from the ones 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.
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 many different parts to an oxy fuel cutting torch. Choose the best answer from the options below that would describe "F".
Of the answers below, which support has one bolt or two bolt manufacturing options?
Of the list below, choose the answer that has one advantage (first) and one disadvantage (second) of copper tubing over steel or iron pipe.
Of the gases below, choose the best one that supports combustion, but is non-flammable on it own.
A plug valve is quick to open or quick to close. Another way of describing that profile is which of the following?
To properly prepare a joint to be welded, how many steps should be used to get the joint tacked?
What is the name of the cutter pictured below?
Which answer below best describes the following picture of a bender?
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.
(se)If a welding machine is left on, but no work is being done with it, what type of voltage is at the output terminals? Choose the best answer from those provided below.
When balancing pressures with an oxyacetylene torch, good rule of thumb to calculate "blow away" is _________ per tip size. Choose from the answers below to fill in the blank.
The references in red along the north 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?
What type of wrench is pictured below?
One of the four classifications of fusion welding low alloy steel oxy fuel gas welding rods is R60. What do the two numbers represent in this classification? Choose the best answer from the options below.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
When installing an instrument air piping system in a textile plant, what code would you reference for the minimum standards?
One of the components in a oxyacetylene outfit is required to deliver a pressure that is consistent despite source pressure fluctuations. Which of the following components best fits this function?
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?
Of the valves below, which has a flow pattern that is non-directional?
What tool is pictured below?
Of the three common forged steel fitting classifications, class 4500 is considered:
There are two accepted methods of protecting metal from electrolysis. Of the list below, choose the one that applies.
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.
"The temperature of a metal, below which the substance is entirely solid." The best term to fit this description from the group below is?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
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.
Type "M" copper tubing has what colour identification strip?
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.
"This piece of legislation came into effect in 1915. This act deals primarily with compensation, medical aid and rehabilitation of a worker due to a job-related injury." Which of the answers below is best described by this statement?
The markings required on a butt weld fitting does not include which of the following?
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.
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?
(se)Why are work lead clamps integral to the welding process? Choose the best answer from the ones below.
Of the list below, a try cock is considered what type of valve?
What is the name of the cutter pictured below?
(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.
A threaded fitting you are trying to reclaim has been cross threaded. Which of the items below would be best to attempt to salvage the fitting?
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.
Of the answers below, which is the best oxyacetylene term for the condition that occurs when the flame burns back into the tip, followed by a "pop" noise?
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?
With ______ piping, fusion welding, and acid resistant clamps are the the most basic types of joining. Choose from the following to fill in the blank.
What type of screwdriver head is pictured below?
The fraction ⁵⁸⁄₇ is equal to which of the answers provided 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?
Which oxy-fuel cutting tip is pictured below. Choose the best answer from those given 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
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
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.
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
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 2.5%-80% in air.
(se)What type of welding circuit is pictured below? Choose the best answer from those provided.
There are several different three sided geometric shapes. Choose the best answer below as it relates to "D" in the picture provided.
Choose the best answer below that is the density of air, in imperial measurement, at STP.
All of the following statements regarding an oxygen cylinders are true, except one. Choose the answer that does not belong.
The barometer in the shop is reading 853 mm Hg, which of the answers below best reflects this reading in psig?
What tool is in the picture below?
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.
A water holding tank has a base of 25.67 m² and a height of 10 m, what is the force acting on the base of the tank? Choose the best answer from those provided below.