A randomized 100 question test from a pool of 1236 questions, good luck!
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?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
"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?
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
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.
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
(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 through the side wall of an enclosure?
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?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
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?
Materials with five or more electrons in their valence shell are considered what?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
A 2000 kg train is traveling east with a speed of 25 km/h. Determine the mass of a truck travelling at 15 km/h would have to have to be travelling at the same momentum.
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?
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 following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
The volume of a cube is calculated with which correct equation?
What is the name of the tool used to cut internal threads after drilling a hole?
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.
Which type of pilot valve has one supply connection and two output connections?
State the number 479.3 using engineering notation and round the answers to three significant digits.
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
Isolate for"h" in the following equation y=(h-t)/r
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
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?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
There are may different trades and occupations within Alberta. Which of the answers below correctly identifies the number of Alberta designations?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
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?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
65% of 765 is equal to?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture 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 decrease in resistive load?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
Which pilot valve has two common supply connections, and two connections for output?
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."?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
If a closed tank is pressurized to 121.345 kPa and the pressure gauge at the bottom of the tank reads 175.456 kPa, what head (in feet) of a liquid with a R.D. of 0.56 is contained in the tan
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
In the fraction A/b, is A the denominator?
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?
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
Ohm's law states that:
Convert 0.625 to a fraction.
(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 employers?
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 "0.036" refer to?
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms 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?
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?
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?
Calculate the relative density for a fluid that has a density of 748 kg/m³
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
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?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
Convert ⅘ to a decimal.
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
The supplier label:
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
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 percentage of 35 is 21?
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
A moment balance negative feedback system is a motion balance system?
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 increase?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
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?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
What is the SI unit of force?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the detailing of employer obligations that must be fulfilled?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
The prefix "Mega" can be expressed as?