A randomized 100 question test from a pool of 1236 questions, good luck!
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
State the number 7.428 using scientific notation and round the answers to three significant digits.
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the detailing of employer obligations that must be fulfilled?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
The desiccant head adsorbes water vapour due to which?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve having the solder flow toward the heat over the joint?
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
If a tool increases from $43 to $76, what is the percentage increase?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as a refinement in a measurement?
A _________ has the air connection usually above the diaphragm
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, removing securing devices and any isolation points once work area is deemed safe, would be which of the steps below?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction outside the magnet?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
What is the purpose of the PTC switch in a lithium battery?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 1 to non-hazardous?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that blocks any excess voltage from gaining access to a hazardous area?
The volume of a cube is calculated with which correct equation?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described an interaction that causes an affected object to This results in an alteration to the state of the object's momentum?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for converting a measured PV into an output signal?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
What is the SI unit of pressure?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R3?
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "R"?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
7 coulombs of charge require how many electrons?
(310101c) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
Of the terms below, what is "Power" measured in?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the relationship between the volume and temperature in a fixed mass of gas."?
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
What is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "W" as a of measurement?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
This pressure to force converter device is used in situations where space is limited?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends in line and one pipe connector?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
The standard unit of resistance is which of the below?
"Two external forces acting on an object or surface that are not in opposition of each other;" is a description of what type of stress?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
The outermost shell of an atom is called the valence shell.
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
A true force balance negative feedback system is a motion balance system?
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that allows the additional measurement of differential and static pressures?
(310102n) The Canadian Electrical code (CEC) encompasses all standards for electrical/instrumentation work. Which of the sections of that code below would relate best to Class 2 power circuits that are considered low energy?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?