A randomized 100 question test from a pool of 1236 questions, good luck!
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
In the SI system, the unit for time is?
What are the three main elements of a regulator?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
The trigonometric ratio of sine is calculated with which mathematical equation?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
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?
True force balance negative feedback system consists of:
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
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
If tool crib attendant has 8 boxes of fittings, and one person takes 1 3/4 boxes, and another person takes 3 4/5 boxes, and another person brings back 2 1/4 boxes, how many boxes remain?
Convert 0.625 to a fraction.
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
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?
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?
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
"An angle of 90°" is a description of which mathematical term?
If a pressure change of 20 kPa to 100 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 0.02 m².
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
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 0-20 meters. What is the transmitter output signal if the fluid level is at 6.65 meters?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to depth." is one of the principles of which answer below?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm, fuse and an interlock?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
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?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
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?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
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?
When taping a blind that does not go through the metal, the proper steps to tap it are:
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the smallest diameter of the thread?
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
How many electrons does 134.5 x 10¹⁹ represent?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
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?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
When allowing power to flow to a device, purging may be required beforehand. Which of the answers below best represents the complete volumes of air with positive pressure?
(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 4 tubes together?
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?
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?
What type of flux is generally used the most in electronic soldering?
(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?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
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 displacement of the car?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
The volume of a sphere is calculated with which correct equation?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
8 coulomb of charge requires how many electrons?
"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?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
If heat is added to a metal, does it expand?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
When an atom loses an electron, it is commonly referred to as which of the below?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
Express 60% as a reduced fraction.
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
With a reverse acting actuator, as the pressure increases:
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
To alter the pressure setting of a regulator, you would adjust what?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
(310105i) Any solid has inherent properties associated with it. which of the tests below refers to the application of force to a material and measures the specimen's response to the stress.
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 decrease in resistive load?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
Convert 88 PSI to kPa
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
(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 the relative density for a fluid that has a density of 748 kg/m³
Convert 16.5 psi into kPa
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?