A randomized 100 question test from a pool of 1236 questions, good luck!
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.
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
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 a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
Covert 3 ⅘ to an improper fraction
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
Covert 6 ¹¹⁄₁₃ to an improper fraction.
"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?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
Convert 0.500 to a fraction.
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
If heat is removed from a metal, does it contract?
(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 connected to a flange that was one-holed?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for converting a measured PV into an output signal?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends offset and one pipe connector?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
Materials with five or more electrons in their valence shell are considered what?
A volume booster is not a positioner.
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?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
Gauge pressure is?
What is the purpose of the PTC switch in a lithium battery?
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 voltage delivered to the field device?
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?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
There are may different trades and occupations within Alberta. Which of the answers below correctly identifies the number of Alberta designations?
What is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
Bourdon measuring elements have tubes that are classified into three broad categories. which of the tube types below would be the most sensitive to pressure changes?
To perform a "Zero" adjustment the order of step(s) is/are?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
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?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(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 Class 2 power circuits that are considered low energy?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
(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 3 tubes together?
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
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?
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
What is the SI unit of force?
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 3.5 cm and the effective area of the diaphragm is 0.05 m^2
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
"This piece of legislation came into effect in 1915. This act deals primarily with compensation, medical aid and rehabilitation of a worker due to a job-related injury." Which of the answers below is best described by this statement?
The radius of a circle is calculated with which correct equation?
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
Matter that is compose of only one atom is called what?
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."
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
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 and fuse only?
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
(310101c) When ordering a GP copper tubing size, it has to be precise. Which of the measurements below would be used for ordering copper tube?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
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
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "W" as a of measurement?
(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 tube to tube?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
When an atom gains an electron, it is commonly referred to as which of the below?
Convert 18.5 psi into inches W.C.
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 numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
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?
