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Plumber: FIRST PERIOD

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

Convert ¹¹⁄₁₆ to a percentage. select the best answer from the ones provided below.
Socket weld fittings are generally used to join piping that is 50mm(2") or less?
"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?
When dealing with acetylene cylinders, generally you will encounter two types of valves. Which of the sets of valves below would you see?
After installing an utility water piping system, you are asked to prove to the client there are no leaks. Which of the following options would be the best for this request?
(mse)The slag from the welding process has several important functions. Of the answers below choose the best one that does not apply.
(se)The connections used for welding cables must be tight. If an undersized lug is used, which of the following might occur with a high current load? Choose the best answer from the ones 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?
Using the picture below, which of the letters best illustrates a ring joint flange?
What type of screwdriver head is pictured below?
Which of the following supports are used to support pipe lines with light loads that are subjected to up to 32mm vertical thermal movements?
There are many parts to a circle. Which of the answers below best relates to "C" in the picture provided?
What type of screwdriver head is pictured below?
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.
Acetylene gas reacts explosively with some metals, so only certain metals may be used in piping the gas or repairing hose. Of the answers below, one is not an approved metal to be used in transporting acetylene gas. Choose the one that best applies.
"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?
"The temperature of a metal, below which the substance is entirely solid." The best term to fit this description from the group below is?
In oxy-fuel welding, the two terms "forehand" and "backhand" reference the ________ of the torch, or heat source, to the puddle of the weld. Choose the best answer to fill in the blank from the options 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 pressure?
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.
Choose the best answer below that is the density of water in metric measurement.
Of the gases below, choose the one that has the highest flame temperature in its neutral state.
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.
After initial tensioning, a set of studbolts may have to be re-tensioned after start up. Which of the following terms would best explain the cause of this situation?
Of the answers below, which support has one bolt or two bolt manufacturing options?
"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?
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.
Of all the valves below, which would have close to the same flow characteristics as a globe pattern straight valve?
(se)Which of the terms below relates best to how quickly the flow of AC changes direction? Choose the your answer from those provided below.
(wf)While welding, water and other liquids get caught up in the weld. These produces voids of gas when the weld cools. Which of the terms below best describes these voids?
Copper tube DWV fittings can be used on copper pressure piping systems
What are the two common wall thicknesses for copper tubing?
"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?
(wf)The welding surface may contain discontinuities from the style of preparation. From the answers below, choose the best one that describes discontinuities from a surfaced prepped by thermal cutting blades.
What tool is in the picture below?
Which of the following supports has a hardened steel cup set screw?
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 classification of fire extinguishers depends on the type of fire they can fight effectively. Which fire extinguisher type is denoted by the picture below?
To properly prepare a joint to be welded, how many steps should be used to get the joint tacked?
A boiler that creates superheated water at 175 psig and 275F is covered under which code(s)?
You are asked to install 753 meters of 50mm, Sch 40 pipe. At the end of the day, you have 157 meters installed, how many meters do you have left until the job is complete? Choose the best anser from the ones provided below.
Which of the piping systems below would Bell-end type joints primarily be used in?
"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?
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?
Gate valves have many advantages. One of the following is not among of them. Choose which one.
Every hacksaw blade has a "set". This particular "set" has every third tooth straight, while the two before it are bent slightly to the side opposite of each other. Of the answers below, choose the best "set" to match this description.
Your isometric calls for a weld neck, raised face, 900 PSI rating, flange. Is this the correct flange to use?
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.
(wf)Defective properties would include all of the following defects except one. Of the answers below choose the one that is not a defective property.
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.
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?
You are asked to cut a mark on a 50mm piece of pipe with a 5" grinder. Which of the tools below would be the best to secure the pipe for cutting?
"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?
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?
Type "DWV" copper tubing has what colour identification strip?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(se)What type of welding circuit is pictured below? Choose the best answer from those provided.
Which of the numbered symbols below best represents a side view butt weld tee?
This type of soldering uses temperatures below 450C or 840F:
There are several steps to consider when soldering on a valve. Of the list choose the one that dose not apply
(se)While welding, what is the result of leangthening of the welding arc? Choose the best answer from those provided below.
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?
Type "M" copper tubing has what colour identification strip?
These manufacturer installed items must be removed before the piping is put into operation, but not before the Variable Spring Hanger is installed and fully loaded. Of the selections below, which items best fits this description?
Typical hanger spacing for 50 mm cast iron pipe is 3.0 m. Using that information, how many hangers are needed on a 13 m horizontal run?
A journeyman is paid 27% more than his apprentice. If the journeyman is earning $43.50, what is the apprentice being paid? Choose the best answer from the ones below.
(se)All electrode holders have a rating. Choose from the answers below and select the one that best describes this rating.
(se)If you wanted a wider bead accompanied with less penetration, which of the following techniques would be best suited for the task? Choose the best answer from the ones provided below.
What type of screwdriver head is pictured below?
Which of the numbered symbols below best represents a side view socket weld 45° elbow?
Of the welded joint configurations, which of the terms below references the picture provided?
Using the picture below, choose the best answer that relates to the item indicated by the "C".
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.
The proper procedure for shutting down an oxyacetylene outfit takes an number of steps. Of the answers below, choose the one that represents these number of steps.
From the following answers, choose the one that answers the following statement. "The operating position of a gate valve commonly are ________ and ________."
What tool is in the picture below?
When using a portable fire extinguisher to fight a fire, why is it important to aim at the base of the fire?
"This term is used for lines that intersect at a right angle." Of the terms provided choose the best one to fit this statement
If you needed to place new threads on the inside of a fitting, which of these tools would be best?
(wf)Of the defects listed below, which one best describes the picture shown?
Typical hanger spacing for 76 mm black iron pipe is 4.3 m. Using that information, how many hangers are needed on a 20 m horizontal run?
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.
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.
(wf)Slow travel speed, weak amperage and improper electrode angle are all included in which of the following terms? Choose the best answer from those provided below.
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.
Of the welded joint configurations, which of the terms below references the picture provided?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
"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?
Please add the following fractions ⁴⁄₈, ⁶⁄₁₂, ⁵⁄₈, ⅔. Choose your answer from the ones provided below.
For material that is ⅜" to 1" thick, the most common type of joint preparation would be which of the following. Choose the best answer that applies
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?
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.
"Is not designed for continuous occupancy, and has limited or restricted means for entry or exit." This statement best describes which of the following terms?
What type of wrench is pictured below?
What is the square footage of a floor space in a warehouse that is 5' 7¾ by 10' 3⅞? Choose the best answer from those provided below.
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.
Calculate the volume of 2.3 lb/ft³ of aluminium that weighs 1479 lbs. Choose the best answer from the ones provided below.
(se)Which device below uses one or more diodes to restrict current to flow to one direction, changing AC to DC in the process? From the answers below, choose the best one.
Using the picture below, which of the following answer best describes the dimension "C"?
(se)When the current flow meets resistance in a conductor, that energy is turned into what form? Choose the best answer from the ones provided below.