A randomized 100 question test from a pool of 1236 questions, good luck!
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Matter that is composed of more than one type of atom is called?
From the information given in the diagram below, what is the current flowing on branch R2?
The height of a free standing or rolling scaffold is restricted to no more than 3 times the smallest base dimension. This guideline comes from which of the acts below?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
State 7 ⁹⁄₁₇ as an improper fraction.
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an increase in resistive load?
From the information given in the diagram below, what is the voltage across each resistor?
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
Which organization sets standards for boots and safety glasses in Canada?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
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 2 to non-hazardous?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
There are many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a minimum of 1.3 volts it can develop or contain?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
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 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?
(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 circuits that are controlled remotely?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
There are a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a nickle-chromium resistance wire?
60% of 54 is what?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
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?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
What are the three areas of WHMIS?
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
What is the smallest charged particle?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
One coulomb is equal to how many electrons?
If a tool increases from $43 to $76, what is the percentage increase?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
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 inside the magnet?
If a closed tank is pressurized to 10 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.78 is contained in the tank
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be the most sensitive to pressure changes?
Gauge pressure is calculated by?
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
Alternating current is bi-directional.
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
State the number 479.3 using engineering notation and round the answers to three significant digits.
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when connecting 3 tubes together?
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
(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?
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
"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?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
(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?
The best description for "Span error" in relation to calibrating instruments is which of the following?
Linear motion negative feedback system consists of:
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
(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 the installation of cathodic protection?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
The volume of a cylinder is calculated with which correct equation?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be referred to as the ability to accept or resist an external force trying to deform it?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
What percentage of 35 is 21?
With a direct acting actuator, as air pressure increases:
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for workers?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "ia" equipment can withstand?
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, isolating all sources of energy to the work area would be which of the steps below?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
Using the Pythagorean Theorem solves for which mathematical term?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
The symbol for a amperes is which of the below?
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
When making an angularity adjustment, what is the first adjustment made?
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?