A randomized 100 question test from a pool of 1236 questions, good luck!
Solve for the hypotenuse.
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
What is the purpose of the PTC switch in a lithium battery?
(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?
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?
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
"An angle of 90°" is a description of which mathematical term?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that prevents the process from passing into the electrical conduit in the event of the initial seal failure?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced a resistor with a smaller one in a simple circuit?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
The prefix "Micro" can be expressed as?
The volume of a sphere is calculated with which correct equation?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
There are many electrical terms that have symbols to describe them in equations. Which of the terms below is best referred to as "Ꜫᵣ" in an equation?
From the information given in the diagram below, what is the current flowing on branch R1?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
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?
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?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
Piping material that is non-ferrous is most common in lower temperature services. Which of the answers below would best be classified as a "non-ferrous" material?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
The volume of a cylinder is calculated with which correct equation?
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?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
The volume of a rectangle is calculated with which correct equation?
"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?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
The radius of a circle is calculated with which correct equation?
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?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
"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?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
"pressure developed by a column of liquid" is the definition of which term
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?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly fill the blank in the statement, "The generation of an electrostatic charge is ________ in conditions that are humid?"
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
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 several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
(310103d) There are several different designs of regulator. Which of the loading element designs below would have to slowest response to changes in downstream pressures?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
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
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
(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?
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 sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
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?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
The standard unit of resistance is which of the below?
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 0-14 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
(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 require constant replacement?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Covert 6 ¹¹⁄₁₃ to an improper fraction.
Solve the equation:(4)(5)+4
"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 mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
(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?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
The outermost shell of an atom is called the valence shell.
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
In the SI system, what is the fundamental hydrostatic pressure equation
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "A method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
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?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "⅜" refer to?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the "SS" refer to?
In the SI system, the unit of force is?
(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?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
With respect to pressure drop, which control; valve has "high" recovery characteristics?