A randomized 100 question test from a pool of 1236 questions, good luck!
(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"?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
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?
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
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.
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
Calculate the density of a substance that has a mass of 9.8 kg and is contained in a space that has a volume of 0.00756 m³
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
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?
The volume of a cylinder is calculated with which correct equation?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
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?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
What are the 2 major parts of a control valve?
Newton's second law is also known as?
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?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
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?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
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.
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
(310104b)There are many different valves to be used for different processes. Which of the valves below would best be used in a high pressure process?
If a closed tank is pressurized to 134.345 kPa and the pressure gauge at the bottom of the tank reads 169.456 kPa, what head (in feet) of a liquid with a R.D. of 0.24 is contained in the tan
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
State ⁶⁵⁄₁₄ as a mixed fraction.
In the SI system, the unit for time is?
746 Watts is equal to which of the terms below?
There are several types of soldering irons that are available in industry. Which type of iron below would rely on a voltage being produced when the tip touches the work to be done?
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?
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
(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 maintenance of instruments in hazardous locations of instruments?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
(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?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
In the WHMIS system, this symbol represents 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 0-9 meters. What is the fluid level if the transmitter signal is 56 kPa
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
From the information given in the diagram below, what is the current flowing on branch R2?
Which of the welding processes below would welding goggles be worn?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
What item would be used on a pneumatic system to speed up the pneumatic signal?
If heat is removed from a metal, does it contract?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
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?
(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?
Solve for the hypotenuse.
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?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
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?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
The symbol for a voltage source is which of the below?
When used to cut mild steel. what is the recommended angle for a cold chisel?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
Calculate the relative density for a fluid that has a density of 748 kg/m³
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standard set for workers?
A pneumatic level transmitter, with an output range of 20-80 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-17 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
(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?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
(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?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 145 kPag?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
A capacitor discharges it's voltage at a specific rate. How many tau are required for a capacitor to expend 99% of it's original voltage?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
What percentage of 35 is 21?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
Newton's third law is also known as?
Synthetic slings can be selected for a task specific application. Which of the sling property below would allow a nylon sling to be used in an explosive atmosphere?
Due to a lengthy transmission distance a control valve is responding slowly. The device that would improve the response speed of the valve would be?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
(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?
Convert ⅘ to a decimal.
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?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the current?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
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 is represented by the equation "V₁n₂=V₂n₁"?