A randomized 100 question test from a pool of 1236 questions, good luck!
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for less than 10 hours a year?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would be leak-proof at any temperature or pressure
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the final velocity of the car?
(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?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure decrease?
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?
(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??
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
Which of the terms below is measure in "watts"
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
Matter that is composed of more than one type of atom is called?
If a closed tank is pressurized to 18 psig and the pressure gauge at the bottom of the tank reads 39 psig, what head (in meters) of a liquid with a R.D. of 0.76 is contained in the tank
What are the two main systems of negative feedback?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
The perimeter of a rectangle is calculated with which correct equation?
There are several different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
A _________ has the air connection usually above the diaphragm
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?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
"An angle of 90°" is a description of which mathematical term?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
The prefix "Centi" can be expressed as?
What are all the variables that can be measured when dealing with gases?
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Convert the following quantities to the units asked for: 27000 seconds to hours.
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?
State ⁶⁵⁄₁₄ as a mixed fraction.
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
A battery has a rating of 80Ah, this means it can supply
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
8 coulomb of charge requires how many electrons?
When selecting a hammer to use, what would "weight of head" help determine?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
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?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
A pneumatic level transmitter, with an output range of 20-100 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
If a tool increases from $43 to $76, what is the percentage increase?
If a pressure change of 20 kPa to 60 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.09 m^2
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the average velocity of the car?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
(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 conductor type and use?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
If angle "Y" is equal to 28 degrees, solve for angle "X"
"Hydrostatic" pressure is sometimes referred to as
(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 instruments in a hazardous location?
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."?
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
State this fraction as a mixed fraction: ⁵⁵⁄₈.
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as general purpose?
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line resistance to an open circuit?
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
34.450 in engineering notion is what?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
Heat is based on the movement of molecules. Which of the answers below correctly fills the blank in the following sentence, "Temperature is the measurement of the average _________ of the movement of molecules."
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
A pneumatic level transmitter, with an output range of 20-100 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-12 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
Solve for the missing side.
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to permit the apprentice to register and attend technical training?
If a closed tank is pressurized to 14 psig and the pressure gauge at the bottom of the tank reads 30 psig, what head (in meters) of a liquid with a R.D. of 0.87 is contained in the tank
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
(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?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?