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Plumber: FIRST PERIOD

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

A compound commonly used in oxy-fuel operations is derived from a combination of water and calcium carbide. Which of the chemical symbols below best represents this hydrocarbon gas?
Type "DWV" copper tubing has what colour identification strip?
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?
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?
(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.
What tool is in the picture below?
You are part of a crew that is hydrotesting a 40 m, 50 mm, Sch 60 alloy pipe. It is set up horizontally, north to south, on pipestands with a gauge at both ends. According to the principles of hydrostatics, what will the gauges read when the test is up and holding at 45 kPa? choose the best answer from the options below.
Weld fittings are available in two varieties, one of these is:
Upstream of the aftercooler and downstream of the air intake should be the location for which of the following components of a basic pneumatic system?
(wf)Of the defects listed below, which one best describes the picture shown?
(wf)Almost all electrode rods are kept in a container to protect them from the elements. Which of the following weld defects would this be the best form of protection from?
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.
Of all the valves below, which would have close to the same flow characteristics as a globe pattern straight valve?
"Has a gasket surface in the same plane as the bolting circle face." Is the best description of which fitting?
"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?
You are working with an isometric drawing that has dimensions in imperial measurements. Your journeyman has asked you to convert several measurements to inches. These measurements include 6', 4.5', 3'7" and 2'4". Choose the best answer below to reflect the total number of inches.
(se)While welding, what is the result of lengthening of the welding arc? Choose the best answer from those provided below.
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?
Which of the following torque procedures is the least accurate in regards to getting to proper tension on a studbolt?
Choose the best answer below that is the density of water in imperial measurement.
Of the list below, the two most commonly used pressure ratings on fittings are Class 125 and 250.
"A process in which a liquid metal is somehow delivered into a mold." This statement is the best description of which term below?
A fuel gas piping system does not exceed 2795 psi @ 100 degrees F. What class of forged steel fitting in conjunction with XS piping should be used
(wf)"This type of defect is defined as an interruption of the typical structure of a material typically during the welding process." This statement best defines which of the answers 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?
"An extra piece of equipment is required when testing with an air compressor." This statement best describes which of the following answers?
There a specific vocabulary when describing the areas of a fillet weld. Which of these terms is represented by "G" in the picture below? Choose the best answer from those provided.
What is the name of the ginder pictured below?
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.
Which is the best answer below that describes the following picture?
(se)While welding, what is the result of leangthening of the welding arc? Choose the best answer from those provided below.
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.
What is the name of the reamer pictured below?
In relation to soldering, what does the term "Bore" signify?
Of the flame types for the oxyacetylene torch, which of them burns the hottest at the tip of the cone? Choose the best answer from the ones provided below.
Which is the best answer below that describes the following picture?
There are two accepted methods of protecting metal from electrolysis. Of the list below, choose the one that applies.
"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?
Puller, Nut adjuster, Hydraulic load coil and Support bridge are all parts of which of the following tools?
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for energy?
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 a specific vocabulary when describing the areas of a fillet weld. Which of these terms is represented by "B" in the picture below? Choose the best answer from those provided.
Calculate the mass of 6.25 ft³ of gold that weighs 3579 lb/ft³. Choose the best answer from the ones provided below.
(se)The graph below best represents which type of welding machine output? Choose from the best answer from those provided below.
You find a workpiece that you are trying to drill a hole in too tough to position under a sensitive or upright drill press. Which of the following answers best solves this problem?
(wf)"The maximum load that a material can support without fracture when being stretched." This statement best describes which of the following terms?
The _________ has an excess of acetylene, the inner cone has a feathery edge, called the acetylene feather, extending beyond it. Choose from the answers below to fill in the blank.
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
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?
Of the valves below, which has a flow pattern that is non-directional?
Of the following supports, choose the one that is an example of a constant support hanger.
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?
Using the picture below, choose the best answer that relates to the item indicated by the "D".
Which type of flange is machines with a flat face to help facilitate frequent cleaning or inspection?
All valves have a distinctive flow pattern to them. Which of the valves below is best represented by the pictured flow pattern?
When suspending stationary non-insulated pipe line, it is recommended to use which of the supports below?
"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?
In the International System of Units, there are several standard measurements. Of the the standard measurements below, which one best represents the unit for force?
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.
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
What tool is in the picture below?
What is one of the three main differences between DWV and pressure application fittings?
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?
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?
There a specific vocabulary when describing the areas of a fillet weld. Which of these terms is represented by "A" in the picture below? Choose the best answer from those provided.
On oxygen cylinders, there are no seams, neither running up and down nor across. This is due to the manufacturing process that it goes though. Which of the answers below best describes this process?
(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 is the name of the grinder pictured below?
The type of oxy-fuel cutting torch that has a cutting tip which is supplied with mixed pre-heat gases are typically called which of the names below? Choose the best answer from the ones provided below.
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.
(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?
Choose the best answer below that is the density of air, in imperial measurement, at STP.
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.
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.
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
To cut a piece of structural steel with a hacksaw, which of the following blades would be best?
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.
A 35 meter piece of copper pipe that the first 10 m section has an operating temperature of 105°C and pressure of 34 kPa/m² until a restriction, then the temperature and pressure both drop by 15 for the remainder of the line. The entire line was originally installed at -25°C, what is the total linear expansion in meters for this line? Choose the best answer from the ones supplied below.
The materials that butt weld fittings can be made from include:
Atmospheric pressure is the pressure the air exerts on the earth surface. Which measurement below best represents this pressure?
The references in red along the north side of the drawing are best represented by which of the terms below?
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.
The references in red along the west side of the drawing are best represented by which of the terms below?
"This term is used to describe an action that means to divide something into two equal sections." The term best described by this statement is which of the following?
"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?
Of the options below, which one requires both ends of the plastic pipe to be perfectly square?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
(se)On a brand new joint, when welding the last pass, what arc length should be used? Choose the best answer from the options given 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?
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.
Every hacksaw blade has a "set". This particular "set" has every tooth bent slightly to the side and in the opposite direction of the one in front of it. Of the answers below, choose the best "set" to match this description.
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
A nitrogen piping system does not exceed 6000 psi @ 100 degrees F. What weight of pipe is required with Class 6000 forged steel fittings?
To supply a gas test with high pressure, dry gas, which of the following would be best to use?
Spiral wound gaskets have 6 identifiers on them, which of the below is not one?
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?
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?
Of the three common forged steel fitting classifications, class 4500 is considered:
Of the valves below, which has a flow pattern that is non-directional?