A randomized 100 question test from a pool of 1236 questions, good luck!
Of the valves below, which would be best for erosive service?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?
The basic unit of matter is called?
Which are the two major categories of pressure regulators?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "ib" equipment can withstand?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(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 it with a smaller one in a simple circuit?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
Calculate the relative density for a fluid that has a density of 748 kg/m³
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 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?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to a flame-proof enclosure?
The volume of a cube is calculated with which correct equation?
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
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?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
The circumference of a circle is calculated with which correct equation?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
From the information given in the diagram below, what is the voltage drop over R3, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
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
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
Ohm's law states that:
The equation to compute mechanical advantage is which one of the below?
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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the voltage when the capacitor gets to 5τ?
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.
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
Of the adjustments below, which is the most common adjustment made?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
If a closed tank is pressurized to 10 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.78 is contained in the tank
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
What is usually referred to when loading an ammeter?
"pressure developed by a column of liquid" is the definition of which term
34.450 in engineering notion is what?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration 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 detailing of employer obligations that must be fulfilled?
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?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
(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 conductor type and use?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
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 inside the magnet?
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
Of the answers below, which one is a disadvantage of a Pinch valve?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R2?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
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?
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?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
Express ³²⁄₄₄ as a percent.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
The symbol for a voltage source is which of the below?
Which of the following measurements cannot be performed by a sliding caliper?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
State 3 ⅞ as a mixed fraction.
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
"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?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms 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 increase in resistive load?
In what kind of circuit would all of the applied voltage appear across an open circuit?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use capacitor plates in the creation of an output signal?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
Labels are an important piece of the WHIMS structure. Which of the labels below would be used when damage occurs to the original supplier label?
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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
What is the formula that the pneumatic relays amplification or gain is expressed by?
“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?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
In the SI system, the unit used for mass is?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
Solve for the missing angle.
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?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
(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 installation of an electrical communication system?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
The prefix "Kilo" can be expressed as?
The volume of a cylinder is calculated with which correct equation?